A cylindrical body of either solid or hollow construction which provides the rolling elements in the roller bearing.
66,aisi/sae e50100 or e52100 fed std single material response overall material document and classification, 0.1950 inches minimum and 0.2150 inches maximum overall length, cylindrical roller, spherical ends style designator, steel comp e50100 or steel comp e52100 overall material, 0.0779 inches minimum and 0.0781 inches maximum rolling element diameter