A circular, rubber lipped seal that fits snuggly onto a shaft, keeping oil inside a component for lubrication whilst the shaft rotates.
by Penfold2 June 27, 2007
A seal to keep oil within a hub of an axle or wheel, preventing loss of said oil onto other components such as brakes, and maintaining lubrication of internal bearings on the axle.
by Penfold2 June 14, 2007