55714 - Gearbox Bearing C-Mainshaft Bearing Lower Swivel Pin forming the

Lower Swivel Pin forming the lower pivot of the front axle swivel housing

The shaft mounts on the head and carries the rocker arms

cable entry points and vacuum hose routings throughout the body

secured by a single fixing screw

55714 - Gearbox Bearing C-Mainshaft Bearing Lower Swivel Pin forming theGearbox Bearing is the ball bearing that supports the primary pinion, or first motion shaft, in the main gearbox. Located at the front of the gearbox where the input shaft enters the casing from the clutch, it locates the primary pinion against radial and thrust loads. It is renewed as a matter of course during a gearbox rebuild.