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.
0.500 inches minimum and 0.501 inches maximum bore inside diameter, 52.0 nominal rockwell c metallic hardness rating, 1.120 inches minimum and 1.125 inches maximum face width, 1.548 inches minimum and 1.550 inches maximum outside diameter, not casehardened casehardening indicator