Bearings are what allow the gears to rotate easily. They are typically designed from bronze or brass, plus they match into races (or grooves) from the gearbox housing. Fundamentally it consists of a steel plate with mesh-kind inserts that reduce contaminants from coming into the transmission and causing use and https://johnnypnhyo.wizzardsblog.com/34038226/the-definitive-guide-to-filter-gearbox