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.
3.932 inches minimum and 3.942 inches maximum face width, 0.3160 inches minimum and 0.3180 inches maximum bore inside diameter, steel material, 0.4032 inches minimum and 0.4052 inches maximum outside diameter, not casehardened casehardening indicator