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.
0.283 inches minimum and 0.284 inches maximum face width, 0.385 inches minimum and 0.386 inches maximum bore inside diameter, not casehardened casehardening indicator, valve tappet,main crankcase,engine,acft,reciprocating fsc application data, 0.310 inches minimum and 0.313 inches maximum bore length