Bearings are what enable the gears to rotate smoothly. They are usually designed outside of bronze or brass, they usually in good shape into races (or grooves) while in the gearbox housing. Fundamentally it includes a steel plate with mesh-style inserts that stop contaminants from coming into the transmission and https://filtergearbox72604.blog-gold.com/43334135/not-known-facts-about-filter-gearbox