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.
0.140 inches nominal face width, 0.0786 inches minimum and 0.0791 inches maximum bore inside diameter, 0.1866 inches minimum and 0.1876 inches maximum outside diameter, 0.015 in. min,0.025 in. max by 45 deg porm 5 deg chamfer/radius of outside corner, not casehardened casehardening indicator