A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes:bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.
not casehardened casehardening indicator, steel material, 0.500 inches nominal bore inside diameter, 1.688 inches nominal outside diameter, 0.062 in. by 45 deg chamfer chamfer/radius of outside corner