Bevel gear
Herring bone gears
Spur gear
Worm gear
Helical gear
Clutch shaft and fly wheel
Gear box and final drive
Cam shaft and clutch shaft
Crankshaft and final drive
Universal joint
Fly wheel
Half shaft
Clutch shaft
Prevent fluid leakage
Prevent the seal rolling in groove
Provide cushioning effect
Withstand radial movement