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.
0.0625 inches nominal counterbore depth, casehardened casehardening indicator, 0.7180 inches nominal counterbore diameter, 0.3290 inches minimum and 0.3390 inches maximum face width, 0.5000 inches minimum and 0.5003 inches maximum bore inside diameter