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, 0.183 inches minimum and 0.185 inches maximum face width, 0.187 inches minimum and 0.188 inches maximum bore inside diameter, 0.031 in. chamfer/radius of outside corner, 1.120 inches minimum and 1.125 inches maximum outside diameter