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.
ams 5629 assn std single material response material document and classification, 0.7650 inches minimum and 0.7850 inches maximum face width, not casehardened casehardening indicator, 0.3770 inches nominal bore inside diameter, 0.8400 inches nominal outside diameter