A cylindrical body of either solid or hollow construction which provides the rolling elements in the roller bearing.
steel roller material, stabilized for operation from m65 deg f to p375 deg f,c59.0 to c63.0 rockwell hardness o/a special features, 1.2950 inches minimum and 1.3000 inches maximum overall length, tapered roller, flat ends style designator, ams 6276 assn std single material response roller material document and classification