Collection: Spindle (Kingpin) Bearings

11 Spindle (Kingpin) Bearings - Scroll Down

Spindle (kingpin) bearings sit in the front caster block and support the kingpin, the vertical steering pivot. They are commonly specified by inner diameter (1/2 in, 3/8 in, 7/16 in) and height, including 0.375 in and thinner 0.3125 in versions.