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.
0.437 inches minimum and 0.438 inches maximum bore inside diameter, 0.526 inches minimum and 0.531 inches maximum face width, 0.937 inches minimum and 0.938 inches maximum outside diameter, 0.620 inches minimum and 0.625 inches maximum bore length, not casehardened casehardening indicator