Bearings are what enable the gears to rotate effortlessly. They are typically built from bronze or brass, they usually suit into races (or grooves) during the gearbox housing. That's why manufacturers arrived up with internal filters. These filters are available on several modern automated transmissions. Interior filters have larger sized https://donovanjfxog.blogpayz.com/34170375/helping-the-others-realize-the-advantages-of-filter-gearbox