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.
skid,weapon fsc application data, not casehardened casehardening indicator, 0.323 inches minimum and 0.328 inches maximum bore inside diameter, 0.031 in. by 45 deg chamfer/radius of outside corner, 0.516 inches minimum and 0.531 inches maximum face width