Bearings are what allow the gears to rotate easily. They are generally manufactured outside of bronze or brass, and so they in good shape into races (or grooves) inside the gearbox housing. Dependant upon the positioning, all automated transmission filters can be divided into inside and external filters. External filters https://caidensqlhe.nizarblog.com/34256758/the-single-best-strategy-to-use-for-filter-gearbox