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.
0.431 inches minimum and 0.436 inches maximum face width, 40 mm carriage mk 4,mod 6 fsc application data, 0.3750 inches minimum and 0.3755 inches maximum bore inside diameter, 0.031 in. by 45 deg chamfer/radius of outside corner, not casehardened casehardening indicator