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.
0.5000 inches minimum and 0.5005 inches maximum bore inside diameter, 0.750 inches nominal face width, not casehardened casehardening indicator, 0.030 in. radius chamfer/radius of outside corner, 0.870 inches nominal bore length