Part #: 800-915
R180 differential pinion gear bearing for the outer (front) of the pinion gear. The R180 differential was the standard rearend for Datsun 240Z, 260Z and 280Z. This is not the "ball Joint" bearing that is located on the front most of the pinion. Bearing Specs: Bore=0.9843", Outer Diameter=2.4409", Width=0.9941".