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.
0.095 inches minimum and 0.135 inches maximum counterbore depth, 0.325 inches minimum and 0.332 inches maximum bore inside diameter, not casehardened casehardening indicator, 0.060 in. radius chamfer/radius of outside corner, 0.670 inches minimum and 0.690 inches maximum counterbore diameter