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.
0.995 inches minimum and 0.997 inches maximum face width, 0.120 in. radius chamfer/radius of outside corner, 0.438 inches minimum and 0.440 inches maximum outside diameter, 0.138 inches minimum and 0.140 inches maximum bore inside diameter, not casehardened casehardening indicator