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.
0.124 inches minimum and 0.125 inches maximum face width, not casehardened casehardening indicator, qq-b-750 comp b fed spec single material response material document and classification, 0.1562 inches minimum and 0.1567 inches maximum bore inside diameter, 0.370 inches minimum and 0.380 inches maximum outside diameter