To counter this friction, bearings are applied around the shafts. It decreases the friction by rolling movement, which decreases the intake of Vitality. Each the counter and major shafts operate with the guidance of the bearing. Spur and helical gears are used in the sliding mesh gearbox to act. https://gearbox97418.webbuzzfeed.com/34300794/how-gearbox-can-save-you-time-stress-and-money