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.
0.1875 inches minimum and 0.1877 inches maximum bore inside diameter, 0.1850 inches minimum and 0.1870 inches maximum bore length, 0.1650 inches minimum and 0.1670 inches maximum face width, 0.3700 inches nominal hub diameter, 0.5000 inches minimum and 0.5005 inches maximum outside diameter