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.
0.512 inches nominal outside diameter, 0.236 inches minimum and 0.240 inches maximum bore inside diameter, not casehardened casehardening indicator, steel comp 630 material, 0.135 inches minimum and 0.137 inches maximum face width