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.
casehardened casehardening indicator, 0.365 inches minimum and 0.385 inches maximum face width, steel material, 0.995 inches minimum and 1.005 inches maximum outside diameter, 0.438 inches nominal bore inside diameter