Gears in gearboxes might be among various sorts, from bevel and helical gears to worm gears and planetary gears. The gear is mounted on the shaft supported by roller bearings and rotates all around it. To counter this friction, bearings are utilised within the shafts. It cuts down the friction https://jaidenuutqo.webbuzzfeed.com/34161943/the-best-side-of-gearbox