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.
0.198 inches minimum and 0.204 inches maximum bore inside diameter, 0.460 inches nominal face width, 0.500 inches nominal outside diameter, 0.030 in. by 40 to 50 deg of chamfer chamfer/radius of outside corner, not casehardened casehardening indicator