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.
0.620 inches minimum and 0.630 inches maximum outside diameter, not casehardened casehardening indicator, 0.180 inches minimum and 0.190 inches maximum face width, 0.020 in. by 45 deg chamfer chamfer/radius of outside corner, 0.3746 inches minimum and 0.3748 inches maximum bore inside diameter