{"title":"Axle Bearings","description":"\u003cp\u003eAxle bearings are rolling-element bearings mounted in the chassis hangers that support a kart rear axle and let it rotate with low friction. They locate the axle relative to the frame while carrying radial load from the wheels and drive sprocket. \u003c\/p\u003e","products":[{"product_id":"50mm-speed-spec-axle-bearing-blue-rubber-seals-ssb-50mm","title":"Premium 50mm Speed-Spec Axle Bearing with Blue Rubber Seals and Set Screws","description":"\u003cp\u003e\u003c\/p\u003e","brand":"Speed-Spec","offers":[{"title":"Default Title","offer_id":52562258035006,"sku":"SSB-50MM","price":34.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-50mm-speed-spec-axle-bearing-blue-rubber-seals-ssb-50mm_45f998b8-dc2c-45ea-8936-2c847b158c98.jpg?v=1763116414"},{"product_id":"aluminum-bearing-shield-fits-1-842-race-od-rbi-or-wms-big-bearing-pm-36f","title":"PMI PM-36F Aluminum Bearing Shield - 1.842\" RBI \u0026 WMS Big Bearings - All Classes","description":"\u003ch2\u003eEliminate Parasitic Drag on Your Racing Go Kart Frame\u003c\/h2\u003e\n\u003cp\u003eSourcing premium go kart parts near me shouldn't mean compromising on drive-line efficiency; protecting your 1.842\" RBI and WMS big bearings from abrasive track debris is the absolute first step to freeing up rolling resistance. The PMI PM-36F Aluminum Bearing Shield is precision-machined to block dust, grit, and moisture from infiltrating your axle assembly. In competitive karting, every ounce of friction robs you of speed. By sealing your bearings effectively, this shield ensures that your chassis rolls freely, allowing you to maximize every drop of briggs and stratton lo206 horsepower down the straightaways.\u003c\/p\u003e\n\u003ch2\u003ePrecision Engineering for RBI and WMS Systems\u003c\/h2\u003e\n\u003cp\u003eWhether you are tuning the chassis flex on a modern racing go kart frame or adjusting how your mounts engine setup transfers torque, your axle bearings take the brunt of the load. Unprotected bearings quickly ingest dirt, leading to premature wear and catastrophic failure during a heat race. This high-grade aluminum shield is tailored specifically for 1.842\" race outer diameter bearings, including RBI big bearings and WMS Tuck-n-Run systems. It provides a seamless, vibration-free fit that maintains axle stability under heavy cornering loads. Just as you wouldn't compromise on the safety of your karting helmets, you cannot afford to leave your drive-line exposed to the elements.\u003c\/p\u003e\n\u003ch2\u003eCompetitive Advantage Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fitment:\u003c\/strong\u003e Engineered explicitly for 1.842\" RBI and WMS Tuck-n-Run big bearing systems to ensure zero lateral play.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace-Grade Aluminum:\u003c\/strong\u003e Constructed from lightweight, high-strength aluminum to resist corrosion and track debris without adding unsprung weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriction Reduction:\u003c\/strong\u003e Blocks grit and moisture ingress, drastically reducing rolling resistance for higher top speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Dampening:\u003c\/strong\u003e Secures the bearing assembly tightly, minimizing high-frequency vibrations that disrupt chassis handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Component Life:\u003c\/strong\u003e Protects expensive ceramic or steel bearings from premature wear, saving you money and wrench time between heats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Class Legality:\u003c\/strong\u003e Fully compliant with all major karting sanctions for sprint, oval, and endurance racing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Installation:\u003c\/strong\u003e Designed for quick track-side maintenance, allowing mechanics to swap axles or bearings efficiently.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStop giving away free tenths of a second to the competition. Equip your chassis with the PMI Aluminum Bearing Shield and ensure your power reaches the pavement without interference.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this shield fit my 1.25\" axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the PM-36F is designed for 1.842\" outer diameter bearings, which are the standard size for most 1.25\" axle big bearing systems, including RBI and WMS Tuck-n-Run setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this shield require any special tools for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No special tools are required. The shield is designed for a precision fit that allows for quick track-side installation or removal during axle swaps and routine maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does an aluminum bearing shield improve my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By creating a physical barrier against track debris, dust, and moisture, the shield prevents contaminants from entering the bearing race. This reduces internal friction and parasitic drag, allowing your axle to spin more freely and helping you maintain higher top speeds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these shields in all karting classes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the PMI PM-36F is fully compliant with all major karting sanctions and is suitable for use in sprint, oval, and endurance racing applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my bearing shields?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We recommend inspecting your shields during every major service interval or after any contact on track. Ensure they remain seated properly to maintain the seal and prevent vibration.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-alignment-system-standard-axle-pm-091200st\"\u003ePMI Laser Alignment System for Standard Axle Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-axle-adaptor-standard-pm-091020\"\u003ePMI Standard Laser Axle Adaptor in Blue Anodized Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-axle-adaptor-thin-wall-pm-091030\"\u003ePMI Thin Wall Laser Axle Adaptor - Blue Anodized Finish\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/50mm-axle-lock-collar-wide-black-discontinued-limited-supply-lc50b-wide\"\u003ePMI Wide Split 50mm Axle Lock Collar - Black Anodized 8mm Keyslot - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-105a-pmi-rotor-guard-slotted-aluminum-pm-105a\"\u003eBlack Anodized Slotted Aluminum Rotor Guard for Kart Calipers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52562258395454,"sku":"PM-36F","price":27.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bearingshields-aluminum-bearing-shield-fits-1-842-race-od-rbi-or-wms-big-bearing-pm-36f_d6005968-4a36-4c99-9105-ce51e244e977.jpg?v=1763116641"},{"product_id":"40mm-speed-spec-axle-bearing-blue-rubber-seals-removable-ssb-40mm","title":"Speed-Spec 40mm Precision Axle Bearing - 40mm ID x 80mm OD - Sprint \u0026 Road Course","description":"\u003cp\u003eReducing driveline parasitic drag in high-performance go karts is just as critical as dialing in your fuel mixture. The Speed-Spec 40mm Precision Axle Bearing (SKU: SSB-40MM) is engineered specifically to minimize rolling resistance and maximize power transfer to the rear wheels. Built to exacting P5 precision tolerances with a C3 clearance specification, this 52100 chrome steel bearing outperforms standard commercial options. Its standout feature is the removable blue rubber seals, designed for racers who demand the ability to flush, clean, and re-lubricate their bearings between heats. This ensures your driveline remains buttery smooth, whether you're running a high-horsepower setup or a spec class where every fraction of a horsepower matters.\u003c\/p\u003e\u003ch2\u003eIntegrating with Your Racing Go Kart Frame\u003c\/h2\u003e\u003cp\u003eA high-performance axle bearing is the vital link between your power plant and the track surface. When mounted to a modern racing go kart frame, the Speed-Spec 40mm bearing ensures that the torque generated by your engine for cycle or karting-specific motor is delivered without hesitation. Just as you would notice the immediate tactile feedback from a go kart steering wheel upgrade, upgrading to these low-friction bearings provides an instant improvement in chassis roll and corner-exit acceleration. It perfectly complements a finely tuned clutch assembly, ensuring that engagement translates directly into forward momentum rather than being lost to rotational friction.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Trackside Maintenance\u003c\/h2\u003e\u003cp\u003eMaintenance is the key to longevity in competitive karting. The removable blue seals allow mechanics to quickly pop the shields, purge contaminated grease, and repack with low-viscosity racing lube. This bearing is sold individually and includes a spare set of seals for unexpected trackside rebuilds, keeping your chassis rolling free all weekend long.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Built to P5 precision tolerance with C3 internal clearance for ultra-low rolling resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Constructed from hardened 52100 chrome steel for maximum durability under heavy side-loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Blue Seals:\u003c\/strong\u003e Easily pop out the rubber seals to clean, purge, and re-lubricate with lightweight racing oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Dimensions:\u003c\/strong\u003e Features a 40mm inner diameter and 80mm outer diameter, fitting standard 40mm metric axle cassettes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Axle Lock:\u003c\/strong\u003e Equipped with dual set screws to prevent axle slippage and maintain precise track width.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonus Hardware:\u003c\/strong\u003e Includes an extra set of replacement rubber seals to keep you prepared during grueling race weekends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Ideal for sprint, road course, and oval chassis running a 40mm rear axle setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 40mm bearing fits my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for standard 40mm metric axle cassettes. Please measure your rear axle diameter with a digital caliper to ensure it is exactly 40mm before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why are the blue rubber seals removable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The removable seals allow you to flush out old, contaminated grease and re-lubricate the bearing with low-viscosity racing oil. This reduces internal friction and helps you maintain peak performance throughout the race season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I clean and re-grease these bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For competitive racing, we recommend inspecting and cleaning your bearings after every race weekend or whenever you notice increased drag. The included spare seals make this maintenance process easy to perform trackside.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of P5 precision and C3 clearance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e P5 precision ensures the bearing runs true with minimal vibration, while C3 clearance provides the necessary internal space for the bearing to operate smoothly under the high thermal expansion and side-loads common in karting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this bearing come with set screws?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this bearing is equipped with dual set screws to ensure a secure lock on your axle, preventing slippage and maintaining your track width settings during high-G cornering.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-speed-spec-axle-bearing-blue-rubber-seals-ssb-30mm\"\u003eHigh-Performance 30mm Speed-Spec Axle Bearing with Blue Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Speed-Spec","offers":[{"title":"Default Title","offer_id":52562258559294,"sku":"SSB-40MM","price":26.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-40mm-speed-spec-axle-bearing-blue-rubber-seals-removable-ssb-40mm_f21addd9-3267-4269-ac3d-9adf4a35407d.jpg?v=1763116297"},{"product_id":"50mm-small-diameter-axle-bearing-km680","title":"High-Performance 50mm Small Diameter Axle Bearing for Metric Karts","description":"\u003cp\u003eEngineered for precision in every rotation, this 50mm small diameter axle bearing transforms how your kart handles high-speed corners and straightaways. Compatible with 80mm ID axle cassettes, it slides into place effortlessly, providing a seamless fit that minimizes vibrations and maximizes power transfer from your engine to the wheels.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSeamless Compatibility:\u003c\/b\u003e Perfectly sized for standard metric axle setups, ensuring no play or wobble during intense races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Friction:\u003c\/strong\u003e The small 50mm diameter design cuts down on rotational resistance, allowing your kart to accelerate quicker and maintain higher speeds without unnecessary energy loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDurable Construction:\u003c\/em\u003e Built to withstand the rigors of kart racing, from dusty tracks to wet conditions, keeping your driveline smooth and responsive lap after lap.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eImagine shaving seconds off your lap times just by upgrading this critical component. Racers often overlook bearings, but this one, frequently called the 50x80 axle bearing, is a game-changer for organization at the pit—easy to install and maintain, so you spend less time wrenching and more time winning. Whether you're tuning for a local sprint or a national championship, it supports better weight distribution and stability, helping you navigate turns with confidence. For kart setups demanding reliability, integrate the \u003cb\u003eKM680\u003c\/b\u003e SKU into your build today and feel the difference in every push on the throttle.\u003c\/p\u003e\u003cp\u003eIts robust build resists wear from constant torque, ensuring longevity that keeps your kart competitive season after season. Pair it with other metric components for an optimized driveline that feels like an extension of your driving style, promoting faster overall times through superior mechanical efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bearing compatible with all 50mm kart axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is specifically designed for 50mm axles that utilize an 80mm ID axle cassette. Please verify your cassette size before installation to ensure a proper, wobble-free fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my axle bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We recommend inspecting your bearings before every race weekend. If you notice any grinding, excessive play, or resistance when spinning the axle by hand, it is time to replace them to maintain peak performance and prevent driveline failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this bearing require special lubrication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These bearings come pre-lubricated for racing conditions. To extend their lifespan, keep them clean and free of debris. If you race in wet or dusty conditions, ensure your axle seals are in good condition to protect the internal grease.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this bearing for both sprint and endurance racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the KM680 is engineered for durability and is suitable for both sprint and endurance applications. Its robust construction is designed to handle the constant torque and high-speed demands of competitive karting.\u003c\/p\u003e","brand":"Kart Manufacturing","offers":[{"title":"Default Title","offer_id":52562258723134,"sku":"KM680","price":24.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-50mm-small-diameter-axle-bearing-km680_5c51b217-c6f3-421c-b862-422e47be207e.jpg?v=1763116475"},{"product_id":"30mm-speed-spec-axle-bearing-blue-rubber-seals-ssb-30mm","title":"High-Performance 30mm Speed-Spec Axle Bearing with Blue Seals","description":"\u003cp\u003eWhy settle for ordinary when you can dominate the track with superior engineering? The SSB-30mm 30mm Speed-Spec axle bearing, complete with striking blue rubber seals, redefines reliability in kart racing components.\u003c\/p\u003e\u003cp\u003eCrafted specifically for speed-hungry racers, this bearing's 62mm outer diameter slots perfectly into metric axle setups, while the innovative removable blue rubber seals shield internals from dirt and debris – a common trackside menace that can slow you down. Plus, a spare set of seals comes included, so you're always race-ready without last-minute scrambles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDual Set Screw Security:\u003c\/b\u003e Equipped with \u003cstrong\u003etwo\u003c\/strong\u003e set screws for double the locking power, preventing any slippage under extreme torque and high-RPM conditions, which means your axle stays true for consistent power transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaintenance Made Easy:\u003c\/b\u003e The removable seals allow quick cleaning and replacement, keeping your bearing in peak condition and extending its lifespan – less downtime, more track time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpeed and Handling Edge:\u003c\/b\u003e By providing ultra-smooth rotation, this bearing slashes energy loss from friction, enabling your kart to launch off corners with explosive acceleration and maintain top speeds longer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePicture this: You're navigating a tight chicane, and instead of fighting wheel wobble from a subpar bearing, your kart feels planted and responsive. That's the real-world benefit of the SSB-30mm in action. As part of our premium kart bearings lineup, it fits effortlessly into axle bearings and drive-line categories, helping you stay organized with versatile, high-quality parts. Whether upgrading for a national event or fine-tuning your local setup, this bearing ensures every ounce of engine power hits the track. SKU: SSB-30mm – your secret weapon for outpacing the competition.\u003c\/p\u003e\u003cp\u003eBeyond the specs, it's about building a drivetrain that anticipates the rigors of racing. With its robust construction, the Speed-Spec bearing not only performs but also simplifies pit organization by reducing the need for frequent replacements, letting you focus on what matters: winning.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 30mm bearing is compatible with my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for standard 30mm metric axles. Please measure your axle diameter precisely with calipers before ordering to ensure a proper fit. The outer diameter of this bearing is 62mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does this bearing feature dual set screws?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The dual set screw configuration provides superior locking force compared to single-screw designs. This prevents the bearing from slipping or \"walking\" on the axle under the high torque and vibration loads experienced during competitive racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain the removable blue rubber seals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The seals are designed to be easily popped out for cleaning or inspection. We recommend periodically removing them to clean out old grease and debris, then repacking with high-quality racing grease to maintain ultra-smooth rotation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are the spare seals included in the box?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, every SSB-30mm bearing comes with a spare set of blue rubber seals, allowing you to perform quick trackside maintenance without needing to source additional parts.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-speed-spec-axle-bearing-blue-rubber-seals-removable-ssb-40mm\"\u003eSpeed-Spec 40mm Precision Axle Bearing - 40mm ID x 80mm OD - Sprint \u0026amp; Road Course\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uc-207-speed-spec-1-25-axle-bearing-blue-rubber-seals-big-bearing-ssb-uc207\"\u003eUC-207 Speed-Spec 1.25\" Big Axle Bearing with Blue Rubber Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uc-206-speed-spec-1-25-axle-bearing-blue-rubber-seals-ssb-uc206\"\u003eSpeed-Spec UC-206 1.25\" Axle Bearing - Blue Rubber Seals - LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-quarter-midget-axle-bearing-rubber-seals-qm125b\"\u003e1-1\/4 Inch Quarter Midget Axle Bearing with Removable Rubber Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Speed-Spec","offers":[{"title":"Default Title","offer_id":52562258919742,"sku":"SSB-30mm","price":23.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-30mm-speed-spec-axle-bearing-blue-rubber-seals-ssb-30mm.jpg?v=1763116640"},{"product_id":"1-3-8-free-spin-axle-bearing-fsb138","title":"1 3\/8\" Free Spin High-Performance Axle Bearing for Kart Racing","description":"\u003cp\u003eFriction is the enemy of speed in kart racing, and that's where the 1 3\/8\" Free Spin Axle Bearing shines by delivering ultra-low resistance for unparalleled axle freedom. Tailored specifically for 1-3\/8\" setups, it allows your wheels to spin with minimal effort, directly boosting acceleration and maintaining momentum through every curve.\u003c\/p\u003e\u003cp\u003eThis bearing's innovative free-spin technology reduces heat buildup and wear, ensuring your kart stays agile lap after lap. In the world of axle bearings, it sets a high standard for those upgrading their drive-line components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered for seamless integration, providing a stable mount that absorbs track vibrations without compromising rotation.\u003c\/li\u003e\n\u003cli\u003eHigh-grade materials resist corrosion and fatigue, ideal for the dusty, high-impact environment of kart tracks.\u003c\/li\u003e\n\u003cli\u003eOptimizes power delivery, so more of your engine's torque reaches the ground, helping you pull ahead of the pack.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePicture your kart gliding smoother than ever, with bearings that don't fight the flow but enhance it. Serious racers turn to this model to fine-tune their chassis for competitive edges. SKU: FSB138 slots right into 1-3\/8\" axle bearings, making maintenance straightforward and performance gains immediate. Whether prepping for a local heat or a national event, it equips you to handle aggressive driving without mechanical hiccups.\u003c\/p\u003e\u003cp\u003eFrom setup to finish line, this bearing contributes to organized pit stops and reliable runs. Its design promotes longevity, cutting down on replacements and letting you focus on strategy and skill. Elevate your racing game with a component that truly frees up your potential.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 1 3\/8\" bearing is compatible with my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is specifically designed for 1 3\/8\" axle setups. Please verify your current axle diameter with a caliper before purchasing to ensure a proper fit, as using the wrong size will cause excessive play or prevent installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I use grease or oil with these free-spin bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These bearings are engineered for ultra-low resistance. While they come pre-lubricated for high-performance use, we recommend using a high-quality, light-viscosity synthetic bearing oil if you choose to service them, as heavy greases can increase friction and negate the \"free-spin\" benefits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my axle bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Bearing life depends on track conditions and driving style. If you notice any \"grittiness\" when spinning the axle by hand, or if there is visible lateral movement (play) in the rear wheels, it is time to replace them to maintain optimal power delivery and handling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can these bearings be used for both sprint and oval racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the high-grade, corrosion-resistant materials are designed to handle the high-impact, dusty environments found in both sprint and oval karting, providing consistent performance across various track surfaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the best way to install these without damaging them?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Always ensure your axle is clean and free of burrs before sliding the bearing on. Use a bearing driver or a soft-faced mallet to tap the outer race gently. Avoid striking the inner race or the seals, as this can cause internal damage and increase friction.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-pmi-rear-wheel-hub-w-dual-patterns-double-lock-style-pm-38dl-40\"\u003e40mm PMI Double Lock Rear Wheel Hub with Dual Patterns for Secure Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultrafree-left-front-stepped-wheel-hub-with-1-4-hardware-pm-39stfl-1-4\"\u003ePerformance Mfg UltraFree Left Front Stepped Hub - 1\/4\" Hardware - Oval Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/metric-pattern-front-hub-with-17mm-bearings-5-16-hardware-only-pm-39f-17m\"\u003eMetric Pattern Front Hub Featuring 17mm Bearings and 5\/16 Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultralight-right-rear-double-lock-hub-5-16-hardware-only-pm-38dl-5-16\"\u003eUltralight Right Rear Double Lock Hub for 5\/16 Inch Hardware Strength\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultralite-5-8-front-hub-5-16-hardware-only-pm-39-5-16\"\u003eUltraLite 5\/8\" Front Hub with 5\/16\" Hardware and Rubber Sealed Bearings\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Mfg","offers":[{"title":"Default Title","offer_id":52562259149118,"sku":"FSB138","price":19.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-38axlebearings-1-3-8-free-spin-axle-bearing-fsb138_2bccd802-efd9-4115-a5d6-54cc5b492cb8.jpg?v=1763116371"},{"product_id":"50mm-axle-bearing-fsb50","title":"Durable 50mm Metric Axle Bearing for Kart Driveline Stability","description":"\u003cp\u003eStruggling with axle wobble that throws off your line through tight corners? The solution lies in upgrading to a bearing that prioritizes stability and speed. This 50mm Axle Bearing, with its generous 90mm outer diameter, fits flawlessly into metric axle systems, providing the solid foundation your kart needs to handle aggressive driving without compromise.\u003c\/p\u003e\u003cp\u003eEngineered for the demands of kart racing, it excels in reducing rotational resistance, which means more of your engine's power reaches the track surface. Racers often see enhanced traction and quicker response times, crucial for overtaking maneuvers or defending positions. Its robust construction shrugs off the abuse from high-RPM sessions, ensuring longevity even in dusty or wet conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeamless Compatibility: Designed specifically for 50mm axles common in intermediate and advanced karts.\u003c\/li\u003e\n\u003cli\u003eOptimal Sizing: The 90mm OD allows for straightforward mounting without modifications to your existing hubs or frames.\u003c\/li\u003e\n\u003cli\u003ePerformance Boost: Lowers heat buildup during extended runs, preserving axle alignment for precise steering and braking.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eImagine gliding through straights with effortless efficiency, your kart feeling lighter and more responsive. This bearing transforms potential weak points in your driveline into strengths, helping you maintain momentum where others falter. For teams focused on drive-line components, it's an indispensable piece that ties together chassis and power delivery.\u003c\/p\u003e\u003cp\u003eEasy to install during routine maintenance, it requires no special tools—just a direct swap for outdated units. Kart owners praise its quiet operation and vibration dampening, which contribute to a smoother ride and less fatigue over long race days. Secure yours today as the 50mm Axle Bearing (SKU: FSB50) and experience how small upgrades lead to big gains in track dominance. Whether tweaking for local leagues or national events, this component keeps your setup race-ready.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 50mm bearing is compatible with my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for standard 50mm kart axles. Please verify that your current axle diameter is exactly 50mm and that your bearing housing accepts a 90mm outer diameter (OD) bearing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this axle bearing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No special tools are required. This is a direct-fit replacement for standard 50mm metric axle bearings. Ensure your axle is clean and free of debris before sliding the new bearing into place to prevent binding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my kart axle bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Bearing life depends on track conditions and maintenance. If you notice increased rotational resistance, audible grinding, or excessive play (wobble) in the rear axle, it is time to replace them to maintain optimal driveline efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this bearing be used in wet or dusty racing conditions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this bearing is engineered with robust construction to withstand the rigors of high-RPM sessions, including exposure to dust and moisture, provided it is properly maintained and kept lubricated.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-pmi-rear-wheel-hub-w-dual-patterns-double-lock-style-pm-38dl-40\"\u003e40mm PMI Double Lock Rear Wheel Hub with Dual Patterns for Secure Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultralight-right-rear-double-lock-hub-5-16-hardware-only-pm-38dl-5-16\"\u003eUltralight Right Rear Double Lock Hub for 5\/16 Inch Hardware Strength\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-3-19-metric-toe-lock-19mm-pm-3-19\"\u003e19mm Metric Toe Lock for Kart Steering Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-116116-seat-weight-bolt-mounting-kit-pm-116116\"\u003eDurable Seat Weight Bolt Mounting Kit for Kart Longevity\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562259738942,"sku":"FSB50","price":19.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-50mm-axle-bearing-fsb50_6f7740c3-8781-43f7-a614-ef000d79da88.jpg?v=1763116292"},{"product_id":"25mm-axle-bearing-fsb25","title":"Reliable 25mm Axle Bearing for Kid Kart Excellence","description":"\u003cp\u003eStruggling with sluggish starts in your kid kart? This 25mm axle bearing addresses that head-on by providing ultra-low resistance for snappier acceleration right out of the gate.\u003c\/p\u003e\u003cp\u003eSpecifically suited for the compact world of youth racing, where every ounce of efficiency counts, this bearing ensures the axle rotates with minimal drag. Its metric 25mm bore aligns flawlessly with kid kart specifications, preventing misalignment issues that can rob precious speed from young drivers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e \u003cem\u003eYouth-Focused Design:\u003c\/em\u003e Optimized for lighter loads and smaller frames, yet tough enough for repeated track sessions.\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eEnhanced Safety:\u003c\/strong\u003e Stable operation reduces unexpected vibrations, giving parents peace of mind during high-stakes events.\u003c\/li\u003e\n\u003cli\u003e \u003cu\u003eEasy Maintenance:\u003c\/u\u003e Simple installation means more time racing and less time wrenching, ideal for busy karting families.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePicture your junior racer confidently navigating tight corners without the hindrance of axle bind – that's the edge this bearing delivers. By streamlining power transfer from engine to wheels, it indirectly boosts overall kart responsiveness, helping kids build confidence and lap records early. Don't overlook these small parts; they make big differences in developing future champions. SKU: FSB25 – equip your kid kart for victory.\u003c\/p\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562260001086,"sku":"FSB25","price":14.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-25mm-axle-bearing-fsb25_bf0631e5-069e-414d-a949-116b91ee11de.jpg?v=1763116633"},{"product_id":"1-1-4-axle-bearing-large-o-d-2-835-big-bearing-rbi-rbibig","title":"Heavy-Duty 1 1\/4\" Large OD Axle Bearing (2.835\") for Robust Kart Support","description":"\u003cp\u003eWhy compromise on axle support when bigger means better? The RBI 'BIG' 1 1\/4\" Axle Bearing with its impressive 2.835\" outer diameter tackles the toughest track conditions head-on, providing a solid foundation for your kart's drivetrain.\u003c\/p\u003e\u003cp\u003eMarked UC207-20K, this bearing fits seamlessly into 1-1\/4\" axle configurations, ensuring your wheels stay aligned and secure even under maximum stress. Its oversized design distributes forces more evenly, minimizing flex and maximizing the transfer of power to the ground.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRobust \u003cstrong\u003eLarge OD Construction:\u003c\/strong\u003e At 2.835 inches, it handles increased lateral loads from high-speed turns, preventing premature failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eImproved Track Handling:\u003c\/em\u003e Less wobble means tighter lines and quicker recovery, helping you shave seconds off your laps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong-Lasting Performance:\u003c\/b\u003e Superior materials resist heat and debris, keeping your setup reliable race after race.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor kart builders focused on durability without sacrificing speed, this component shines in setups where stability is key to winning. Integrate it into your axle bearings arsenal to feel the difference in straight-line velocity and cornering confidence. SKU: RBIBIG. It's the upgrade that turns potential vulnerabilities into strengths, letting you push harder and race smarter.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 2.835\" OD bearing is compatible with my kart chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for standard 1-1\/4\" axle setups that utilize a larger bearing housing. Please measure your current bearing housing outer diameter to ensure it matches the 2.835\" specification before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the benefits of using a \"Big\" bearing over a standard size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The larger outer diameter provides a greater surface area for load distribution. This reduces flex in the axle assembly, which is particularly beneficial for high-grip track conditions or karts experiencing significant lateral stress during cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bearing pre-lubricated?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the RBI UC207-20K comes pre-lubricated for immediate use. However, we recommend checking the bearing periodically for debris or signs of heat-related grease breakdown, especially after racing in dusty or wet conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix this heavy-duty bearing with standard bearings on the same axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While possible, it is generally recommended to use matching bearings across your axle setup to ensure consistent rotation and load distribution. Mixing different bearing types can lead to uneven handling characteristics.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-free-spin-axle-bearing-rbi-rbi\"\u003ePremium 1 1\/4\" Free Spin Axle Bearing for Smoother Kart Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RBI","offers":[{"title":"Default Title","offer_id":52562260066622,"sku":"RBIBIG","price":16.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-1-1-4-axle-bearing-large-o-d-2-835-big-bearing-rbi-rbibig_1ca863f6-7530-48f0-8377-20b5ba284305.jpg?v=1763116466"},{"product_id":"30mm-axle-bearing-fsb30","title":"Precision 30mm Axle Bearing for Smooth Kart Performance","description":"\u003cp\u003eEngineered for the demands of high-speed kart racing, the FSB30 30mm axle bearing delivers unmatched reliability where it counts most. With a precise 30mm inner diameter and 62mm outer diameter, this metric axle bearing fits seamlessly into your kart's drive-line components, ensuring smooth rotation and reduced drag that translates to quicker lap times.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush Design Advantage:\u003c\/strong\u003e One side features a flush mount for easy installation without protruding edges, minimizing wind resistance and potential snag points during intense races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Shoulder Setup:\u003c\/strong\u003e The opposite side includes a shoulder reinforced with setscrews, locking the bearing firmly in place to withstand the vibrations and stresses of aggressive cornering and straight-line sprints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Boost:\u003c\/strong\u003e By minimizing friction between the axle and housing, this bearing helps maintain consistent power delivery from your engine, allowing your kart to shave seconds off your best times.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn the heat of competition, every component must perform flawlessly. The FSB30 excels in axle bearings category, supporting your kart's chassis to handle higher speeds without compromise. Whether you're a weekend warrior or a pro racer, integrating this bearing into your setup means better organization of drivetrain parts and fewer mid-race adjustments. SKU: FSB30 – the go-to choice for racers seeking durability and speed in metric axle bearings.\u003c\/p\u003e\u003cp\u003eImagine gliding through turns with effortless control, your kart responding instantly to throttle inputs. That's the edge this bearing provides, making it essential for any serious kart enthusiast looking to optimize track performance and stay ahead of the pack.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the FSB30 bearing is compatible with my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for a standard 30mm axle. Please verify that your kart's rear axle diameter is exactly 30mm before purchasing. The 62mm outer diameter is a standard metric size that fits most common kart bearing hangers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which side of the bearing should face outward?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The flush side should face outward to minimize wind resistance and prevent snagging. The side with the shoulder and setscrews should face inward toward the axle housing to allow you to lock the bearing securely in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my axle bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Axle bearings should be inspected regularly for signs of play, grinding, or resistance. If you notice any \"notchiness\" when rotating the axle by hand or if there is visible movement in the bearing housing, it is time to replace them to maintain optimal track performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to lubricate these bearings before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These bearings come pre-lubricated for high-speed racing demands. Ensure your axle is clean and free of debris or burrs before sliding the bearing on to prevent damage to the inner race.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the purpose of the setscrews on the shoulder?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The setscrews are critical for locking the bearing to the axle. This prevents the axle from shifting laterally during aggressive cornering, ensuring your kart maintains consistent handling and power delivery.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-pmi-rear-wheel-hub-w-dual-patterns-double-lock-style-pm-38dl-40\"\u003e40mm PMI Double Lock Rear Wheel Hub with Dual Patterns for Secure Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/metric-pattern-front-hub-with-17mm-bearings-5-16-hardware-only-pm-39f-17m\"\u003eMetric Pattern Front Hub Featuring 17mm Bearings and 5\/16 Hardware\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultralight-right-rear-double-lock-hub-5-16-hardware-only-pm-38dl-5-16\"\u003eUltralight Right Rear Double Lock Hub for 5\/16 Inch Hardware Strength\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/metric-pattern-front-hub-with-5-8-bearings-5-16-hardware-only-pm-39f-58m\"\u003ePerformance Mfg Metric Front Hub - 5\/8\" Bearings \u0026amp; 5\/16\" Hardware - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-3-19-metric-toe-lock-19mm-pm-3-19\"\u003e19mm Metric Toe Lock for Kart Steering Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Mfg","offers":[{"title":"Default Title","offer_id":52562260099390,"sku":"FSB30","price":13.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-30mm-axle-bearing-fsb30_8b50a376-3c5b-4f59-b05b-537648350af2.jpg?v=1763116674"},{"product_id":"abs-aluminum-bearing-shield-1-590-abs","title":"Precision Aluminum Bearing Shield for 1.590\" Axle Bearings in Kart Racing","description":"\u003cp\u003eProtecting your kart's bearings starts with the right shield, and this 1.590-inch aluminum version delivers unmatched durability on the track. Crafted from high-grade aluminum, it forms a robust barrier against dirt, debris, and moisture that can compromise bearing performance during intense races.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Fit:\u003c\/strong\u003e Designed specifically for 1.590\" axle bearings, ensuring easy installation without modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriction Reduction:\u003c\/strong\u003e By sealing out contaminants, it minimizes wear, allowing bearings to spin freer for quicker acceleration and higher top speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLongevity Boost:\u003c\/strong\u003e Aluminum construction resists corrosion, keeping your driveline components in top shape lap after lap.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn the heat of kart racing, every component counts toward shaving seconds off your time. This shield helps maintain optimal bearing function, preventing unexpected failures that could sideline you. Kart enthusiasts know that organized maintenance like this leads to consistent wins. Compatible with PM-56A specifications, it's a must-have for any serious racer's toolkit. SKU: ABS.\u003c\/p\u003e\u003cp\u003eWhether you're tuning for a local sprint or a national championship, integrating this shield into your axle setup promotes efficiency and reliability. Imagine pushing harder into corners with confidence, knowing your bearings are shielded from the track's harsh elements. It's not just protection—it's a step toward dominating the competition.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this shield fits my kart's axle bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This shield is precision-engineered for 1.590\" axle bearings. Please verify your bearing outer diameter before purchase to ensure a seamless, secure fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is any special hardware required for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the shield is designed for a straightforward, direct fit. It installs easily onto your existing 1.590\" axle bearing setup without the need for modifications or specialized tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose an aluminum shield over plastic alternatives?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Aluminum offers superior durability and corrosion resistance. In the harsh environment of kart racing, it provides a more robust barrier against track debris and moisture, ensuring your bearings stay protected and spin freely for longer periods.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this shield help with kart performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. By effectively sealing out contaminants, the shield reduces internal friction and wear. This allows your bearings to maintain optimal rotation, which can contribute to quicker acceleration and improved top-end speed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my bearing shields?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We recommend inspecting your shields during every routine maintenance interval. Ensure they are free of debris and remain securely seated to continue providing maximum protection for your driveline components.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-alignment-system-standard-axle-pm-091200st\"\u003ePMI Laser Alignment System for Standard Axle Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-digital-spring-height-gauge-pm-134200\"\u003ePMI Digital Spring Height Gauge with Case for Kart Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-axle-adaptor-standard-pm-091020\"\u003ePMI Standard Laser Axle Adaptor in Blue Anodized Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aluminum-bearing-shield-fits-1-842-race-od-rbi-or-wms-big-bearing-pm-36f\"\u003ePMI PM-36F Aluminum Bearing Shield - 1.842\" RBI \u0026amp; WMS Big Bearings - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-105a-pmi-rotor-guard-slotted-aluminum-pm-105a\"\u003eBlack Anodized Slotted Aluminum Rotor Guard for Kart Calipers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52562260263230,"sku":"ABS","price":12.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bearingshields-abs-aluminum-bearing-shield-1-590-abs_8e3fd962-d0c5-49e0-828f-f067ea9347f2.jpg?v=1763116279"},{"product_id":"absl-aluminum-bearing-shield-1-605-absl","title":"Heavy-Duty Aluminum Bearing Shield 1.605\" for WMS Tuck-n-Run Kart Axles","description":"\u003cp\u003eEver wondered why top kart teams swear by superior bearing protection? This 1.605-inch aluminum shield tackles that by fitting precisely on WMS Tuck-n-Run small bearing UC-206, also compatible with our FSB part and OEM PMI PM-56B standards.\u003c\/p\u003e\u003cp\u003eBuilt to endure the rigors of competitive racing, its lightweight yet tough aluminum design blocks out dust and water, preserving bearing integrity for reduced drag and enhanced speed. No more worrying about premature wear disrupting your race strategy.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExact compatibility with key kart models for hassle-free upgrades.\u003c\/li\u003e\n\u003cli\u003ePromotes cleaner operations, leading to more efficient power transfer from engine to wheels.\u003c\/li\u003e\n\u003cli\u003eEssential for trackside organization, keeping your driveline free from contaminants.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePicture this: You're navigating tight turns at full throttle, and your axle bearings perform flawlessly thanks to this shield's reliable seal. It indirectly boosts your lap times by ensuring consistent, low-friction movement—vital for shaving off precious seconds. Racers who prioritize such details often find themselves on the podium. Integrate it into your setup for that edge in endurance and precision. SKU: ABSL.\u003c\/p\u003e\u003cp\u003eBeyond protection, it's about building a resilient kart that handles race after race without faltering. This shield empowers you to focus on driving, not repairs, transforming potential downtime into track dominance.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this shield compatible with all kart bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this shield is specifically engineered for a 1.605\" outer diameter, making it a precise fit for WMS Tuck-n-Run small bearing UC-206, FSB parts, and OEM PMI PM-56B standards. Please verify your bearing size before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I use an aluminum shield instead of a standard dust cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Aluminum offers a superior strength-to-weight ratio. It provides a more rigid, durable barrier against track debris, water, and dust compared to plastic or rubber alternatives, ensuring your bearings remain clean and friction-free for better power transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does a bearing shield improve my lap times?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By preventing contaminants from entering the bearing race, the shield reduces internal drag. A cleaner, smoother-spinning bearing allows for more efficient power delivery from the engine to the wheels, helping you maintain momentum through tight corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is installation difficult?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The shield is designed for a hassle-free, precise fit on compatible axles. It is a straightforward upgrade that integrates directly into your existing driveline setup without requiring complex modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect the bearing shield?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We recommend checking the shield during your routine trackside maintenance. Ensure it remains seated correctly and free of heavy debris buildup to maintain the integrity of the seal and protect your bearings throughout the race day.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-alignment-system-standard-axle-pm-091200st\"\u003ePMI Laser Alignment System for Standard Axle Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-axle-adaptor-standard-pm-091020\"\u003ePMI Standard Laser Axle Adaptor in Blue Anodized Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aluminum-bearing-shield-fits-1-842-race-od-rbi-or-wms-big-bearing-pm-36f\"\u003ePMI PM-36F Aluminum Bearing Shield - 1.842\" RBI \u0026amp; WMS Big Bearings - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pursuit-xpect-right-axle-cassette-pm-012100\"\u003eRight-Side Axle Cassette for Pursuit and Xpect Kart Models\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52562260295998,"sku":"ABSL","price":12.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bearingshields-absl-aluminum-bearing-shield-1-605-absl_11531801-8391-43de-8e22-1f426fa45aea.jpg?v=1763116280"},{"product_id":"1-1-4-free-spin-axle-bearing-rbi-rbi","title":"Premium 1 1\/4\" Free Spin Axle Bearing for Smoother Kart Performance","description":"\u003cp\u003eImagine slicing through corners with less drag and more precision— that's the edge provided by this RBI 1 1\/4\" Free Spin Axle Bearing. Engineered for kart enthusiasts who demand reliability, it outperforms typical overseas options with its robust construction and smooth operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Free-Spin Design:\u003c\/strong\u003e Allows wheels to rotate freely, cutting down on energy loss and boosting overall speed during high-stakes races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMarking UC206-20K:\u003c\/b\u003e Ensures compatibility with standard 1-1\/4\" axles, making installation straightforward for quick pit setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eEnhanced Durability:\u003c\/i\u003e Built to withstand the rigors of track abuse, reducing wear and extending the life of your axle assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you're fine-tuning for a local sprint or prepping for nationals, this bearing helps maintain consistent power transfer from engine to wheels. Racers notice the difference in lap times almost immediately, as the reduced friction translates to faster acceleration out of turns. Paired with other drive-line upgrades, it keeps your kart agile and responsive, giving you that competitive advantage. SKU: RBI. Don't settle for subpar components—equip your machine with quality that delivers real results on race day.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 1 1\/4\" bearing is the right size for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for standard 1 1\/4\" kart axles. Please verify your axle diameter before purchasing. If your axle housing requires a larger outer diameter, you may need our heavy-duty version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the \"Free Spin\" design actually do for my lap times?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The free-spin design reduces internal friction and drag. By allowing the axle to rotate with less resistance, more of your engine's power is transferred directly to the wheels, resulting in better acceleration out of corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my axle bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We recommend inspecting your bearings before every race weekend. If you notice any grinding, excessive play, or if the wheels do not spin freely when the kart is on the stand, it is time to replace them to maintain peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bearing compatible with all 1 1\/4\" axle cassettes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the UC206-20K marking indicates this is a standard industry size compatible with most common kart axle cassettes. Ensure your cassette is clean and free of debris before pressing the new bearing in.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-axle-bearing-large-o-d-2-835-big-bearing-rbi-rbibig\"\u003eHeavy-Duty 1 1\/4\" Large OD Axle Bearing (2.835\") for Robust Kart Support\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RBI","offers":[{"title":"Default Title","offer_id":52562260361534,"sku":"RBI","price":11.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-1-1-4-free-spin-axle-bearing-rbi-rbi_8f349a62-46da-491d-aaa0-748be6644c92.jpg?v=1763116336"},{"product_id":"1-1-4-axle-bearing-large-o-d-2-835-big-bearing-fsbp","title":"RBI Bearing UC207-20K 1 1\/4\" Large OD Axle Bearing - 2.835\" OD - All Classes","description":"\u003cp\u003eMinimizing rear chassis flex and maximizing power transfer is critical for high-stakes circuit racing. Sourced directly from our professional \u003cstrong\u003ekarting store\u003c\/strong\u003e inventory, the RBI 1 1\/4\" Large OD Axle Bearing (2.835\")—widely known in the paddock as the \"BIG\" bearing—provides unmatched driveline support. By distributing stress evenly across the axle housing, this heavy-duty UC207-20K bearing eliminates misalignment during aggressive cornering and straight-line sprints. When you are pushing the limits of mechanical grip, the last thing you want is a bound-up rear axle robbing your momentum.\u003c\/p\u003e\n\n\u003ch2\u003eDriveline Reliability That Matches Your Powerplant\u003c\/h2\u003e\n\u003cp\u003eIt’s easy to get distracted by a high-horsepower \u003cstrong\u003emotor engine for sale\u003c\/strong\u003e, but putting that power to the pavement requires a bulletproof rear end. With its expansive 2.835-inch outer diameter, this bearing increases the contact area within the cassette, drastically reducing rotational resistance. The result? Smoother spins, lower lap times, and a setup that stays composed under immense pressure. The larger outer race absorbs the harmonic vibrations generated by high-RPM engines, ensuring your chassis remains settled through high-speed sweepers and tight hairpins alike.\u003c\/p\u003e\n\n\u003ch2\u003ePrecision Maintenance for Peak Performance\u003c\/h2\u003e\n\u003cp\u003eJust as you rely on precision \u003cstrong\u003etire tools\u003c\/strong\u003e to manage your pressures and premium \u003cstrong\u003etire cleaner\u003c\/strong\u003e to prep your rubber for maximum grip, your bearings demand the same level of meticulous attention. This free-spinning bearing features a removable oil hole plug, allowing for critical lubrication that safeguards against overheating during prolonged endurance sessions. Proper maintenance of this bearing ensures that your axle spins freely race after race, eliminating the parasitic drag that plagues neglected drivelines.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansive 2.835\" Outer Diameter:\u003c\/strong\u003e Distributes lateral loads evenly across the cassette to prevent axle flex and binding under heavy cornering forces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision 1 1\/4\" Inner Bore:\u003c\/strong\u003e Provides a flawless, tight tolerance fit for standard 1.25-inch racing axles, eliminating unwanted play.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFree-Spinning Design:\u003c\/strong\u003e Significantly reduces rotational mass and parasitic drag to help you shave crucial tenths off your lap times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccessible Lubrication Port:\u003c\/strong\u003e Easily remove the oil plug for quick, trackside maintenance, ensuring optimal heat reduction and longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty UC207-20K Spec:\u003c\/strong\u003e Engineered specifically to withstand the extreme vibrations and lateral G-forces of competitive kart racing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Chassis Compatibility:\u003c\/strong\u003e The ideal driveline upgrade for teams reinforcing their current setup before hunting for a new \u003cstrong\u003ego kart frame for sale\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RBI Bearing","offers":[{"title":"Default Title","offer_id":52562260459838,"sku":"FSBP","price":10.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-1-1-4-axle-bearing-large-o-d-2-835-big-bearing-fsbp_916695a9-e898-47b6-8f36-8cd14f717028.jpg?v=1763116516"},{"product_id":"1-1-4-free-spin-axle-bearing-fsb","title":"Performance Mfg UC206-20K 1 1\/4\" Free Spin Axle Bearing - Low Friction - All Classes","description":"\u003cp\u003eEliminating axle drag is the single fastest way to free up horsepower, and when you're sourcing the best go kart parts near me, the Performance Mfg 1 1\/4\" Free Spin Axle Bearing (UC206-20K) is a mandatory addition to your driveline. Standard industrial bearings are packed with thick grease and heavy seals that rob your chassis of crucial momentum. This purpose-built racing bearing comes unsealed and optimized for light oil lubrication, drastically reducing rolling resistance so your powertrain can transfer every ounce of torque directly to the track. Whether you are running high-revving rotax engines or standard four-stroke powerplants, minimizing drivetrain friction is essential for maximizing straight-line speed and maintaining momentum through tight technical sectors.\u003c\/p\u003e\u003ch2\u003eOptimizing Driveline Efficiency for Racing Go Kart Engines\u003c\/h2\u003e\u003cp\u003eEvery component in your driveline must work in perfect harmony with your powerplant. When you bolt on high-performance racing go kart engines, you cannot afford to lose that hard-earned horsepower to parasitic drag at the rear axle. This 1 1\/4\" free-spin bearing utilizes a precision-machined UC206-20K steel race and high-grade ball bearings designed specifically to handle the extreme lateral loads of competitive karting without binding. By removing the standard oil hole plug and applying a lightweight racing lubricant, you ensure that the bearing spins freely, allowing your chassis to roll out of corners with zero hesitation.\u003c\/p\u003e\u003ch2\u003ePrecision Engine Parts and Chassis Integration\u003c\/h2\u003e\u003cp\u003eA fast kart requires more than just top-tier engine parts; it demands a frictionless rolling assembly. This bearing is engineered to slide perfectly onto standard 1-1\/4\" axles, locking down securely to prevent any lateral shift or wobble under heavy braking and aggressive cornering. While many drivers focus heavily on a go kart steering wheel upgrade for better control, upgrading your axle bearings provides an immediate, measurable reduction in lap times by freeing up the chassis.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Friction Design:\u003c\/strong\u003e Purpose-built without heavy grease seals to eliminate parasitic drag and maximize rolling speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision UC206-20K Spec:\u003c\/strong\u003e Engineered to exact tolerances for a perfect, slip-free fit on all standard 1-1\/4\" racing axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Load Capacity:\u003c\/strong\u003e Hardened steel construction withstands the intense lateral forces and vibrations of competitive sprint and oval racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Lubrication:\u003c\/strong\u003e Features a removable oil hole plug, allowing racers to flush and apply ultra-lightweight racing oils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Seamlessly integrates with most modern kart chassis, bearing cassettes, and driveline configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Acceleration:\u003c\/strong\u003e Reduces rotational mass resistance, allowing your engine to spool up faster out of tight corners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Heat Dissipation:\u003c\/strong\u003e High-quality steel races prevent thermal expansion and binding during long, grueling feature races.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStop letting standard industrial bearings choke your top-end speed. The Performance Mfg 1 1\/4\" Free Spin Axle Bearing is the ultimate frictionless solution for serious racers demanding maximum efficiency from their driveline. Lock it down, oil it up, and feel the immediate difference in your kart's rolling resistance.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a free-spin bearing over a standard industrial bearing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Standard industrial bearings are packed with heavy grease and thick seals designed for long-term durability in stationary machinery, which creates significant drag. Our free-spin bearings are designed specifically for racing, utilizing light oil lubrication and minimal seals to reduce rotational resistance, allowing your kart to roll faster and maintain momentum.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain these bearings for peak performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Because these bearings are designed for low-friction racing, they require more frequent attention than sealed units. We recommend regularly flushing the bearing through the oil hole and applying a high-quality, ultra-lightweight racing oil to ensure the internal races remain clean and frictionless.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this bearing fit my 1 1\/4\" axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the UC206-20K is precision-engineered to provide a perfect, slip-free fit on all standard 1-1\/4\" racing axles. It is designed to lock down securely to prevent lateral movement or wobble during high-speed cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these bearings for both sprint and oval racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. The hardened steel construction is built to withstand the intense lateral loads and vibrations encountered in both competitive sprint and oval track environments.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-pmi-rear-wheel-hub-w-dual-patterns-double-lock-style-pm-38dl-40\"\u003e40mm PMI Double Lock Rear Wheel Hub with Dual Patterns for Secure Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ultralight-right-rear-double-lock-hub-5-16-hardware-only-pm-38dl-5-16\"\u003eUltralight Right Rear Double Lock Hub for 5\/16 Inch Hardware Strength\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-116116-seat-weight-bolt-mounting-kit-pm-116116\"\u003eDurable Seat Weight Bolt Mounting Kit for Kart Longevity\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-3-19-metric-toe-lock-19mm-pm-3-19\"\u003e19mm Metric Toe Lock for Kart Steering Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Mfg","offers":[{"title":"Default Title","offer_id":52562260984126,"sku":"FSB","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-1-1-4-free-spin-axle-bearing-fsb_9050952c-3bcc-403f-a26a-f314644991c0.jpg?v=1763116505"},{"product_id":"1-axle-bearing-ab1","title":"MAPLE ACE UC205-16K 1-Inch Rear Axle Bearing - Free Spinning - Universal Kart","description":"\u003cp\u003eMinimizing driveline friction is the most direct path to freeing up horsepower, and the MAPLE ACE UC205-16K 1-inch rear axle bearing is engineered specifically to eliminate parasitic drag on your racing go kart. By utilizing a high-precision spherical outer ring and a perfectly toleranced 1-inch bore, this bearing ensures your rear axle remains perfectly aligned even under extreme chassis flex during high-G cornering. The robust insert design locks securely to the axle via dual set screws, preventing lateral migration and maintaining your precise track width and hub spacing.\u003c\/p\u003e\u003ch2\u003eWhy Top Teams Trust Parts Are Us for Driveline Efficiency\u003c\/h2\u003e\u003cp\u003eWhen every thousandth of a second counts, relying on subpar bearings is a critical mistake. Just like you wouldn't compromise on your lo206 carburetor kit tuning, your axle bearings demand the same level of mechanical scrutiny. This UC205-16K bearing features a regreasable lubrication hole and high-grade metal shields that repel track debris, rubber marbles, and dust. Whether you are running a dirt oval setup or a high-grip sprint chassis, the low-drag grease formulation inside this bearing ensures maximum rotational freedom right out of the box.\u003c\/p\u003e\u003ch2\u003eEssential Upgrades: From Brake Oil to Bearings\u003c\/h2\u003e\u003cp\u003eA fast kart is a synergistic machine. While many drivers focus heavily on engine tuning or bleeding their system with fresh brake oil, the rolling resistance of the chassis is often overlooked. Upgrading to the UC205-16K reduces the rotational mass resistance, allowing your engine to spool up faster out of tight hairpins. It's a fundamental upgrade that complements every other performance modification on your chassis.\u003c\/p\u003e\u003ch2\u003eThe Core Parts Of Us: Technical Specifications\u003c\/h2\u003e\u003cp\u003eDesigned for the rigors of competitive racing, this bearing is built to handle heavy radial and thrust loads without binding. The spherical surface allows for self-alignment within the bearing cassette, compensating for slight chassis tweaks or bent hangers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 1-Inch Bore:\u003c\/strong\u003e Machined to exact tolerances for a slip-fit on standard 1-inch racing axles without galling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical Outer Ring:\u003c\/strong\u003e Self-aligning design prevents binding when the chassis flexes under heavy cornering loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Set Screw Locking:\u003c\/strong\u003e Provides a vice-like grip on the axle, eliminating lateral shifting during aggressive driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Friction Metal Shields:\u003c\/strong\u003e Keeps contaminants out while minimizing the drag associated with heavy rubber seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegreasable Port:\u003c\/strong\u003e Features a built-in lubrication hole for easy maintenance and extended bearing life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Load Capacity:\u003c\/strong\u003e Engineered to withstand the severe radial forces generated by modern sticky racing tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Dampening:\u003c\/strong\u003e Tight internal clearances reduce high-speed axle chatter for a smoother, more predictable ride.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStop giving away free horsepower to driveline drag. Install the UC205-16K and ensure every ounce of power reaches the rear wheels.\u003c\/p\u003e","brand":"MAPLE ACE","offers":[{"title":"Default Title","offer_id":52562261082430,"sku":"AB1","price":8.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1axlebearings-1-axle-bearing-ab1_9f87fe4d-1d2f-42e1-9464-9483580a730f.jpg?v=1763116188"},{"product_id":"1-1-4-quarter-midget-axle-bearing-rubber-seals-qm125b","title":"1-1\/4 Inch Quarter Midget Axle Bearing with Removable Rubber Seals","description":"\u003cp\u003eEngineered for precision in quarter midget racing, this 1-1\/4 inch axle bearing stands out with its removable rubber seals on both sides. Unlike standard steel-shielded options, it offers superior accessibility for maintenance, letting you clean and relubricate effortlessly to maintain optimal performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey Advantage:\u003c\/strong\u003e Reduces axle friction for quicker acceleration and consistent speed during tight turns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Seal Removal:\u003c\/b\u003e Pop out the seals to access the interior, ensuring longevity and preventing downtime on race day.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci\u003eTrack-Ready Durability:\u003c\/i\u003e Built to handle the rigors of high-speed karting, supporting smoother wheel rotation that translates to better handling and faster overall times.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you're tuning up for a local heat or a national event, this bearing (SKU: QM125B) integrates seamlessly into your axle setup, helping eliminate vibrations and wear that could slow you down. Racers trust it to keep their drive-line components responsive, giving you that edge in every corner.\u003c\/p\u003e\u003cp\u003eVisual representations may vary slightly, but the core functionality delivers unmatched reliability for quarter midget enthusiasts aiming to shave seconds off their laps.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a bearing with removable rubber seals over steel-shielded ones?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Removable rubber seals allow you to easily clean and re-grease the internal components. This maintenance capability extends the life of the bearing and ensures it continues to spin freely, which is critical for minimizing friction in quarter midget racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I maintain these axle bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For peak performance, we recommend inspecting and cleaning your bearings after every race weekend or if you have been driving in dusty or wet track conditions. Removing the seals allows you to flush out old debris and apply fresh, high-speed racing grease.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this 1-1\/4 inch bearing compatible with all quarter midget axles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for standard 1-1\/4 inch axles. Please verify your axle diameter before purchase to ensure a proper fit, as using the wrong size can cause vibration and premature wear on your drive-line components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these bearings for both indoor and outdoor tracks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, these bearings are built for the rigors of high-speed karting. The removable seals are particularly beneficial for outdoor tracks where dirt and debris can enter the bearing, as they allow you to keep the internal race clean and lubricated.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uc-207-speed-spec-1-25-axle-bearing-blue-rubber-seals-big-bearing-ssb-uc207\"\u003eUC-207 Speed-Spec 1.25\" Big Axle Bearing with Blue Rubber Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uc-206-speed-spec-1-25-axle-bearing-blue-rubber-seals-ssb-uc206\"\u003eSpeed-Spec UC-206 1.25\" Axle Bearing - Blue Rubber Seals - LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Speed-Spec","offers":[{"title":"Default Title","offer_id":52562261475646,"sku":"QM125B","price":5.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-1-1-4-quarter-midget-axle-bearing-rubber-seals-qm125b_ca66d9bf-b1b4-41ab-820d-7ee6f6908e0b.jpg?v=1763116413"},{"product_id":"1-1-4-tnr-blackout-series-big-bearing-tnr-uc207","title":"1 1\/4\" TNR Blackout Series Big Bearing for Smooth Axle Performance","description":"\u003cp\u003eEngineered for kart enthusiasts who demand precision, the 1 1\/4\" TNR Blackout Series Big Bearing stands out with its UC-207 marking and generous 2.835\" outer diameter, perfectly suited to 1.25\" axles. This component transforms how your kart handles high-speed corners by minimizing rotational drag, allowing power to translate directly into acceleration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Fit:\u003c\/strong\u003e Tailored for 1.25\" axles, ensuring effortless installation without compatibility issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Durability:\u003c\/strong\u003e Built to withstand intense track conditions, preventing premature wear that could slow you down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Boost:\u003c\/strong\u003e Larger bearing size supports heavier loads, ideal for aggressive racing styles where every second counts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eImagine shaving off precious milliseconds in tight races— this bearing's robust construction does just that by maintaining axle integrity under stress. Kart racers often overlook bearings, but upgrading to this model means smoother rotations and less energy loss, directly contributing to faster overall lap times. Whether you're competing in local circuits or pushing limits in national events, it provides the reliability needed to stay competitive.\u003c\/p\u003e\u003cp\u003eIn the world of axle bearings, this big bearing excels by offering superior load-bearing capacity compared to standard options. Its blackout series design not only looks sleek but also incorporates materials that resist corrosion from track debris and moisture. For those organizing pit setups, its straightforward specs make it a go-to for quick swaps during maintenance sessions, keeping your kart race-ready without downtime.\u003c\/p\u003e\u003cp\u003eDon't let subpar components hold you back; integrate the TNR-UC207 into your setup for that edge on the straightaways. With focused engineering on friction reduction, it helps optimize your driveline, ensuring your kart responds instantly to throttle inputs. This is more than a part—it's a strategic upgrade for victory laps.\u003c\/p\u003e","brand":"TNR","offers":[{"title":"Default Title","offer_id":52562262491454,"sku":"TNR-UC207","price":25.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-1-1-4-tnr-blackout-series-big-bearing-tnr-uc207_979c1b70-c547-4c4f-a9d4-8c38ab870a89.jpg?v=1763116138"},{"product_id":"1-1-4-tnr-blackout-series-small-bearing-tnr-uc206","title":"Tuck N Run TNR Blackout Series Small Axle Bearing - 1-1\/4\" (UC-206) - Sprint \u0026 Oval Karting","description":"\u003cp\u003eEvery serious racer knows that a winning kart relies on a frictionless drivetrain, and the 1-1\/4\" TNR Blackout Series Small Bearing (UC-206) delivers exactly that. Designed specifically for 1.25\" axles, this precision-engineered bearing cuts down on parasitic drag, allowing your chassis to glide through high-speed sweepers and tight hairpins with unmatched efficiency. When fractions of a second determine who takes the checkered flag, eliminating drivetrain resistance is just as critical as dialing in your engine or perfecting your tire pressures.\u003c\/p\u003e\u003ch2\u003ePrecision Drivetrain Performance for Your Kart\u003c\/h2\u003e\u003cp\u003eMinor inefficiencies in your axle assembly can cost you valuable track position. The TNR Blackout Series addresses this by providing a snug, ultra-reliable fit that supports smooth, bind-free axle rotation. Its advanced thermal design prioritizes rapid heat dissipation during grueling endurance sessions, drastically reducing the risk of overheating that commonly plagues standard bearings. Whether you are swapping out \u003cstrong\u003eshop tires\u003c\/strong\u003e for a fresh set of slicks or making quick gear changes, this bearing ensures your axle spins freely, translating every ounce of engine power directly to the pavement.\u003c\/p\u003e\u003ch2\u003eOutperform the Competition: Beyond Brake Pistons and Shop Tires\u003c\/h2\u003e\u003cp\u003eA balanced chassis requires attention to every detail. While many drivers focus solely on upgrading \u003cstrong\u003ebrake pistons\u003c\/strong\u003e or tweaking their front-end geometry, the secret to sustained straight-line speed lies in the rear axle. The compact profile of the UC-206 bearing allows for versatile placement in tight driveline setups, offering an ideal balance of size and strength. The stealthy blackout aesthetic adds a professional, aggressive look to your rear end, but the true advantage is the functional reliability it brings to your racing program.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Carburetor Rebuilding Kits and Maintenance Routines\u003c\/h2\u003e\u003cp\u003eTrackside maintenance needs to be fast and efficient. Just as you rely on high-quality \u003cstrong\u003ecarburetor rebuilding kits\u003c\/strong\u003e to keep your engine running at peak RPMs, you need axle components that are straightforward to inspect and replace. The TNR Blackout Series bearing simplifies your pit area organization with its standardized 1-1\/4\" specs, ensuring rapid swaps when time is of the essence. By preserving momentum and reducing rolling resistance, this bearing indirectly aids your overall speed, keeping your engine in its optimal powerband so you can focus on overtaking rivals.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrictionless Axle Rotation:\u003c\/strong\u003e Precision-engineered to eliminate drag and maximize top-end speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-1\/4\" Axle Compatibility:\u003c\/strong\u003e Perfectly sized for standard 1.25\" racing kart axles (Marked UC-206).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Driveline Profile:\u003c\/strong\u003e Smaller form factor allows for versatile placement in tight chassis setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Heat Dissipation:\u003c\/strong\u003e Reduces thermal buildup during long feature races to prevent bearing failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Lubrication Retention:\u003c\/strong\u003e Keeps the bearing packed and spinning smoothly lap after lap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlackout Series Aesthetic:\u003c\/strong\u003e Provides a sleek, professional look to your kart's rear assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Trackside Maintenance:\u003c\/strong\u003e Standardized design ensures quick inspections and hassle-free replacements.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TNR","offers":[{"title":"Default Title","offer_id":52562262524222,"sku":"TNR-UC206","price":19.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-1-1-4-tnr-blackout-series-small-bearing-tnr-uc206_4761a2ac-7c35-4dd9-a8fa-ab37595dcc4c.jpg?v=1763116138"},{"product_id":"40mm-axle-bearing-narrow-euro-style-fsb40n","title":"Narrow Euro Style 40mm Axle Bearing for Precision Kart Performance","description":"\u003cp\u003eEngineered for kart enthusiasts seeking that extra edge in handling, the Narrow Euro Style 40mm Axle Bearing stands out with its compact design tailored to high-performance demands. This bearing, clearly marked \u003cb\u003eSB208ZZ\u003c\/b\u003e, incorporates only one shoulder secured by two set screws, allowing for a streamlined fit in tight rear axle assemblies.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInner diameter of 40mm pairs seamlessly with standard metric axles, minimizing wobble and vibration during intense races.\u003c\/li\u003e\n\u003cli\u003eOuter diameter measures 80mm, providing robust support without adding unnecessary bulk to your kart's drivetrain.\u003c\/li\u003e\n\u003cli\u003eThe narrow profile reduces overall width, which translates to lower rotational mass—key for quicker acceleration out of corners.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy slashing friction losses, this axle bearing helps maintain consistent power delivery from your engine to the wheels, potentially shaving seconds off your lap times. Kart racers often overlook bearings, but upgrading to this Euro-style component can transform track feel, offering tighter control and less heat buildup during long sessions. Compatible with various chassis setups, it's a must-have for maintenance kits. SKU: \u003cstrong\u003eFSB40N\u003c\/strong\u003e. Whether you're tuning for club races or pro events, this bearing ensures your kart spins freer, letting you focus on dominating the competition.\u003c\/p\u003e\u003cp\u003eInstallation is straightforward, requiring basic tools, and its durable construction withstands the rigors of dirt and asphalt tracks alike. Pair it with quality lubricants for even longer life and peak efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 40mm bearing is compatible with my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for standard 40mm metric axles. Please verify your axle diameter before purchase. The \"Narrow Euro Style\" profile is specifically engineered for tight rear axle assemblies where space is limited.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the SB208ZZ marking mean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e SB208ZZ is the industry-standard designation for this specific bearing size and configuration. It confirms the bearing dimensions and the double-shielded design, which helps keep dirt and debris out of the internal races.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should I maintain these axle bearings for the best performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To ensure longevity and peak efficiency, keep the bearings clean and free of track debris. We recommend using high-quality kart-specific lubricants periodically to reduce friction and prevent heat buildup during long racing sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is installation difficult for a beginner?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation is straightforward and requires only basic hand tools. Ensure your axle is clean and free of burrs before sliding the bearing on. The two set screws should be tightened securely to lock the bearing in place on the axle.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-pmi-rear-wheel-hub-w-dual-patterns-double-lock-style-pm-38dl-40\"\u003e40mm PMI Double Lock Rear Wheel Hub with Dual Patterns for Secure Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-pmi-rear-wheel-hub-w-dual-patterns-pm-38-40\"\u003e40mm-pmi-rear-wheel-hub-w-dual-patterns-pm-38-40\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Mfg","offers":[{"title":"Default Title","offer_id":52562263081278,"sku":"FSB40N","price":12.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-40mm-axle-bearing-narrow-euro-style-fsb40n_aa026c73-83c6-4c38-a281-9ca280c1901c.jpg?v=1763116160"},{"product_id":"40mm-free-spin-axle-bearing-fsb40","title":"High-Performance 40mm Free Spin Axle Bearing for Margay Ignite K3","description":"\u003cstrong\u003eUnlock smoother, faster rotations\u003c\/strong\u003e on your kart with the 40mm Free Spin Axle Bearing, a precision component designed to minimize resistance in high-speed applications. As the original equipment manufacturer choice for the Margay Ignite K3 chassis, this bearing excels in demanding race environments where every ounce of efficiency counts.\u003cp\u003eKey dimensions include a race outer diameter of 80mm, ensuring a perfect match for standard axle housings, while the 21mm race width and 50mm overall width provide balanced support without compromising agility. Marked \u003ci\u003eUC208KZZ\u003c\/i\u003e, it features advanced shielding to keep contaminants out, preserving low-friction performance lap after lap.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFree-spin technology allows the bearing to rotate with minimal torque loss, directly improving acceleration and top-end speed on straightaways.\u003c\/li\u003e\n\u003cli\u003eBuilt to handle the vibrations and loads of kart racing, it reduces wear on connected driveline parts like axles and hubs.\u003c\/li\u003e\n\u003cli\u003eOEM compatibility means hassle-free integration into Margay setups, but its versatility suits other metric axle systems too.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eImagine pushing harder into turns without the drag of inferior bearings— this upgrade helps by maintaining axle alignment and heat dissipation, leading to more consistent race times and fewer pit stops. For teams focused on driveline optimization, it's an essential piece that enhances overall vehicle responsiveness. SKU: \u003cstrong\u003eFSB40\u003c\/strong\u003e. Regular inspection and this bearing's robust build ensure longevity, making it a smart investment for serious competitors.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this bearing compatible with karts other than the Margay Ignite K3?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, while it is the OEM choice for the Margay Ignite K3, this 40mm bearing is designed to fit standard metric axle housings, making it a versatile upgrade for many other karting chassis using a 40mm axle system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the \"Free Spin\" technology actually do for my lap times?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Free-spin technology reduces internal rotational resistance. By minimizing torque loss, your engine doesn't have to work as hard to turn the axle, which can lead to improved acceleration out of corners and higher top-end speeds on straightaways.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect or replace my axle bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your bearings before every race weekend. Check for any \"grittiness\" or play when rotating the axle by hand. If you notice increased drag, vibration, or if the bearing feels loose in the housing, it is time to replace it to prevent driveline damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this bearing in wet or dusty track conditions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the UC208KZZ features advanced shielding specifically designed to keep dirt, dust, and moisture out of the internal races, helping to maintain low-friction performance even in demanding track environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the critical dimensions I should verify before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Ensure your axle housing accepts an 80mm outer diameter bearing. This unit has a 21mm race width and a 50mm overall width, which provides a stable, balanced fit for standard 40mm kart axles.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cp\u003eNone of the provided candidate products are directly related to axle or drivetrain components, as they are limited to bumper mounting, steering geometry, and throttle linkage. Therefore, no related products are listed.\u003c\/p\u003e","brand":"Margay Racing","offers":[{"title":"Default Title","offer_id":52562263114046,"sku":"FSB40","price":12.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/metricaxlebearings-40mm-free-spin-axle-bearing-fsb40_b9f6c613-2e0c-45d5-90f0-e81731859689.jpg?v=1763117128"},{"product_id":"pm-56c-1-605-bearing-shield-set-pm-56c-1605","title":"PM-56C 1.605\" Bearing Shield Set for RBI and Small Kart Bearings","description":"\u003cp\u003eImagine slicing through corners with effortless precision, your kart's axles humming smoothly without the drag of contaminated bearings. The PM-56C-1.605 Bearing Shield Set delivers exactly that reliability, targeting small bearing setups in demanding kart environments.\u003c\/p\u003e\u003cp\u003eDesigned for 1.605\" race outer diameter, this comprehensive set includes shields that snap into place on RBI, Tuck-n-Run, and FSB small bearings, creating a tight seal against track debris like dirt, sand, and water spray.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuick installation enhances your prep time, allowing more focus on tuning for speed.\u003c\/li\u003e\n\u003cli\u003eReduces friction buildup, promoting freer wheel spin that can add precious tenths to your lap times.\u003c\/li\u003e\n\u003cli\u003eProlongs bearing durability, cutting out unexpected failures that sideline racers mid-season.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn the heat of a race, every component must perform flawlessly. These shields fortify your axle bearings, ensuring consistent power delivery and sharper responsiveness. For teams running tight schedules, this set means fewer pit stops and more podium finishes. It's a straightforward upgrade that pays dividends in both practice and competition.\u003c\/p\u003e\u003cp\u003eCompatible across popular small bearing configurations, it's versatile for various kart chassis. SKU: PM-56C-1605\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the PM-56C shield set is compatible with my kart bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These shields are specifically designed for small bearings with a 1.605\" race outer diameter. They are compatible with RBI, Tuck-n-Run, and FSB small bearing configurations commonly found in various kart chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the installation process difficult?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Not at all. The shields are designed for a quick, snap-in installation. They are intended to be a straightforward upgrade that saves you time during your race-day prep.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I use bearing shields instead of running open bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Running open bearings exposes them to track debris like sand, dirt, and water, which increases friction and leads to premature wear. These shields create a protective seal that reduces friction buildup, promotes freer wheel spin, and helps prevent mid-season bearing failures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will these shields help me improve my lap times?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. By reducing drag and friction within the bearing assembly, you allow for smoother wheel rotation. This efficiency can help you maintain better momentum through corners and potentially shave precious tenths off your lap times.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aluminum-bearing-shield-fits-1-842-race-od-rbi-or-wms-big-bearing-pm-36f\"\u003ePMI PM-36F Aluminum Bearing Shield - 1.842\" RBI \u0026amp; WMS Big Bearings - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-alignment-system-standard-axle-pm-091200st\"\u003ePMI Laser Alignment System for Standard Axle Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-digital-spring-height-gauge-pm-134200\"\u003ePMI Digital Spring Height Gauge with Case for Kart Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-axle-adaptor-standard-pm-091020\"\u003ePMI Standard Laser Axle Adaptor in Blue Anodized Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pmi-laser-axle-adaptor-thin-wall-pm-091030\"\u003ePMI Thin Wall Laser Axle Adaptor - Blue Anodized Finish\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PMI","offers":[{"title":"Default Title","offer_id":52562265506110,"sku":"PM-56C-1605","price":14.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/bearingshields-pm-56c-1-605-bearing-shield-set-pm-56c-1605_eb8969c4-a48e-4ff8-8386-c66f53cc43b1.jpg?v=1763116529"},{"product_id":"uc-206-speed-spec-1-25-axle-bearing-blue-rubber-seals-ssb-uc206","title":"Speed-Spec UC-206 1.25\" Axle Bearing - Blue Rubber Seals - LO206","description":"\u003cp\u003eShaving tenths off your lap time starts with eliminating driveline drag, and when it comes to high-performance cart parts, the Speed-Spec UC-206 1.25\" Axle Bearing delivers the ultimate low-friction advantage. Designed specifically for 1.25-inch axles, this bearing utilizes a robust 62mm outer diameter to fit standard small-bearing cassettes. The innovative blue rubber seals are fully removable, allowing racers to easily purge old grease, clean the races, and relubricate with lightweight speed oil for qualifying runs. By minimizing rolling resistance, this bearing ensures that every ounce of horsepower makes it to the ground.\u003c\/p\u003e\u003ch2\u003eOptimized for the CRG FS4 Briggs LO206 Kart\u003c\/h2\u003e\u003cp\u003eIn momentum-based classes, a free-spinning axle is just as critical to your top speed as studying your engine diagram or perfectly tuning your walbro carb. The Speed-Spec UC-206 is engineered to handle the specific lateral loads and vibration profiles of a modern 206 kart. To prevent axle slip during high-G maneuvers, the bearing features three integrated set screws that provide rock-solid mounting. This keeps your chassis perfectly aligned, preventing the binding and friction that robs you of straightaway speed.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Wheel Hub Assembly Parts\u003c\/h2\u003e\u003cp\u003eMaintenance in the pits needs to be fast and effective. Because the blue rubber seals can be popped out in seconds, you can service your bearings without completely tearing down your rear end. This bearing works in perfect harmony with your existing wheel hub assembly parts, ensuring a smooth, vibration-free driveline from the sprocket to the tires. Plus, a spare set of seals is included in the box, so you are always prepared for a quick swap between heat races.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25\" Axle Fitment:\u003c\/strong\u003e Precision-machined inner race designed specifically for standard 1-1\/4 inch kart axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e62mm Outer Diameter:\u003c\/strong\u003e Drops seamlessly into standard small-bearing cassettes and hangers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Blue Seals:\u003c\/strong\u003e Easy-access rubber seals allow for rapid cleaning and custom lubrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple Set Screw Locking:\u003c\/strong\u003e Three heavy-duty set screws bite into the axle to eliminate lateral shifting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Friction Performance:\u003c\/strong\u003e Engineered to reduce parasitic drag, maximizing straight-line speed and acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpare Seals Included:\u003c\/strong\u003e Comes complete with an extra set of blue rubber seals for trackside maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Steel Construction:\u003c\/strong\u003e Built to withstand the harsh vibrations and lateral G-forces of competitive racing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are rebuilding your current race rig or browsing go karts for sale near me to start your racing journey, upgrading to Speed-Spec bearings is a proven strategy for dominating the podium. Lock in your axle, reduce your rolling resistance, and feel the difference in every corner.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain the low-friction performance of these bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Speed-Spec UC-206 features removable blue rubber seals. You can easily pop these out to clean the internal races and re-apply lightweight speed oil or grease, ensuring your driveline remains free-spinning throughout the race weekend.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this bearing fit my kart's axle cassette?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This bearing is designed for a 1.25-inch axle and features a 62mm outer diameter. It is a direct fit for standard small-bearing cassettes commonly found on Briggs LO206 and similar racing karts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why are there three set screws on this bearing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The triple set screw design is critical for high-G cornering. By providing three points of contact, the bearing locks securely onto the axle, preventing lateral shifting and axle slip that can cause binding and rob your kart of speed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this bearing on a 40mm or 30mm axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. This bearing is precision-machined specifically for a 1.25-inch (approx. 31.75mm) axle. Using it on a different axle size will result in improper fitment and potential damage to your components.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uc-207-speed-spec-1-25-axle-bearing-blue-rubber-seals-big-bearing-ssb-uc207\"\u003eUC-207 Speed-Spec 1.25\" Big Axle Bearing with Blue Rubber Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-quarter-midget-axle-bearing-rubber-seals-qm125b\"\u003e1-1\/4 Inch Quarter Midget Axle Bearing with Removable Rubber Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/30mm-speed-spec-axle-bearing-blue-rubber-seals-ssb-30mm\"\u003eHigh-Performance 30mm Speed-Spec Axle Bearing with Blue Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/40mm-speed-spec-axle-bearing-blue-rubber-seals-removable-ssb-40mm\"\u003eSpeed-Spec 40mm Precision Axle Bearing - 40mm ID x 80mm OD - Sprint \u0026amp; Road Course\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Speed-Spec","offers":[{"title":"Default Title","offer_id":52562265702718,"sku":"SSB-UC206","price":17.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-uc-206-speed-spec-1-25-axle-bearing-blue-rubber-seals-ssb-uc206_ed657af5-4143-4c04-b184-154f11f80866.jpg?v=1763116624"},{"product_id":"uc-207-speed-spec-1-25-axle-bearing-blue-rubber-seals-big-bearing-ssb-uc207","title":"UC-207 Speed-Spec 1.25\" Big Axle Bearing with Blue Rubber Seals","description":"\u003cp\u003eEngineered for kart racers chasing every edge, the UC-207 Speed-Spec 1.25\" axle bearing stands out with its robust construction designed to handle the intense demands of high-speed turns and straightaways. Measuring 72mm in outer diameter, this \u003cb\u003ebig bearing\u003c\/b\u003e minimizes drag, allowing your axle to rotate with exceptional smoothness that translates directly to faster lap times.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRemovable blue rubber seals for superior protection against dirt and moisture, with a spare set included for quick field repairs.\u003c\/li\u003e\n\u003cli\u003eThree precision set screws ensure a rock-solid, vibration-free fit on your 1-1\/4\" axle, preventing slippage during aggressive racing.\u003c\/li\u003e\n\u003cli\u003eBuilt to withstand the heat and stress of competitive karting, reducing wear and extending component life so you spend less time in the pits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eImagine shaving seconds off your personal best by eliminating the subtle energy losses from inferior bearings. This Speed-Spec model excels in axle bearings category, supporting seamless power transfer from engine to wheels. Whether you're navigating tight corners or pushing top speeds, it keeps your setup optimized. Kart enthusiasts know that reliable bearings like this one are key to consistent performance. SKU: SSB-UC207 fits perfectly into drive-line components for 1-1\/4\" axles, making it a must-have for serious setups. Install it and feel the difference in how effortlessly your kart responds.\u003c\/p\u003e\u003cp\u003eDurability meets precision in every rotation, helping you maintain control and speed where it counts most. No more worrying about premature failures that could cost you a podium finish. This bearing's thoughtful design, including those easy-to-replace seals, means you're always race-ready with minimal downtime.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure the UC-207 bearing is properly installed on my 1.25\" axle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Slide the bearing onto your axle until it is properly seated in the bearing hanger. Tighten the three precision set screws evenly to ensure the bearing is centered and locked securely, preventing any vibration or slippage during high-speed maneuvers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why are the blue rubber seals removable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The removable seals allow you to easily clean and re-grease the internal components, extending the life of the bearing. They also provide a quick way to inspect the internal race for wear after a race weekend.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the UC-207 and the UC-206 bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While both are designed for 1.25\" axles, the UC-207 is a \"big bearing\" with a 72mm outer diameter, offering increased load capacity and durability compared to the standard UC-206 model. Choose the UC-207 if you are looking for maximum longevity and reduced drag under heavy racing loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I maintain these bearings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For competitive racing, we recommend inspecting your bearings after every race event. Check for any play in the axle, ensure the set screws remain tight, and use the removable seals to check for debris or lack of lubrication.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uc-206-speed-spec-1-25-axle-bearing-blue-rubber-seals-ssb-uc206\"\u003eSpeed-Spec UC-206 1.25\" Axle Bearing - Blue Rubber Seals - LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1-1-4-quarter-midget-axle-bearing-rubber-seals-qm125b\"\u003e1-1\/4 Inch Quarter Midget Axle Bearing with Removable Rubber Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Speed-Spec","offers":[{"title":"Default Title","offer_id":52562265735486,"sku":"SSB-UC207","price":20.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/1-14axlebearings-uc-207-speed-spec-1-25-axle-bearing-blue-rubber-seals-big-bearing-ssb-uc207_4f01244b-cb24-4fc6-a03f-c2eded635897.jpg?v=1763116625"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/Screenshot_2026-09-09_161516_5865f62d-a313-4edc-9a10-a24c7fabb4f3.png?v=1788985481","url":"https:\/\/swiftkarting.com\/collections\/kart-axle-bearings-go-kart-racing-parts.oembed","provider":"Swift Karting","version":"1.0","type":"link"}