Loader bearings mainly include joint bearings, deep groove angular bearings, tapered roller bearings, joint bearings, needle roller bearings, and special bearings for wheel gears.
421-22-12790 bearings are used in the Loader Gearbox Bearing system of komatsu heavy machinery equipment: 421-22-12790 BEARING KOMATSU parts 542, 545, HM350, HM400, WA420, WA470