Bearings are what enable the gears to rotate effortlessly. They are usually manufactured outside of bronze or brass, and they in good shape into races (or grooves) within the gearbox housing. Synchro rings have teeth on them that mesh Together with the tooth within the gears, and so they also https://filter-gearbox03455.qodsblog.com/34118732/5-simple-statements-about-filter-gearbox-explained