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.
0.311 inches minimum and 0.314 inches maximum outside diameter, bcxd criticality code justification, not casehardened casehardening indicator, 0.124 inches minimum and 0.125 inches maximum bore inside diameter, 0.057 inches minimum and 0.063 inches maximum face width