Bearings are what allow the gears to rotate efficiently. They are generally made away from bronze or brass, and so they fit into races (or grooves) within the gearbox housing. Which is why producers arrived up with inner filters. These filters are available on lots of modern-day automatic transmissions. Inner https://filtergearbox95702.mdkblog.com/39940225/the-ultimate-guide-to-filter-gearbox