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.
not casehardened casehardening indicator, 0.0938 inches minimum and 0.0943 inches maximum bore inside diameter, fuel control,jet engine,acft fsc application data, 0.016 in. by 45 deg chamfer/radius of outside corner, 0.200 inches minimum and 0.220 inches maximum face width