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.
20.0 millimeters nominal outside diameter, 11.29 millimeters nominal face width, nsn:2320-01-534-1887;truck,cargo. end item identification, roller,extension beam,crane. part name assigned by controlling agency