Bearings are what allow the gears to rotate smoothly. They are generally manufactured away from bronze or brass, and they fit into races (or grooves) from the gearbox housing. There are 2 principal types of transmissions: automated and guide. Automated transmissions use fluid couplings as opposed to a clutch, and https://filter-gearbox87419.blogsvirals.com/33219306/a-simple-key-for-filter-gearbox-unveiled