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.
0.500 inches minimum and 0.501 inches maximum bore inside diameter, 0.032 in. by 45 deg chamfer/radius of outside corner, 0.427 inches minimum and 0.432 inches maximum face width, 5 in./54 gun mount fsc application data, not casehardened casehardening indicator