A cylindrical body of either solid or hollow construction which provides the rolling elements in the roller bearing.
cylindrical roller, spherical ends style designator, 66,aisi/sae e50100 or 52100 fed std single material response overall material document and classification, steel comp e50100 or steel comp e52100 overall material, 0.7300 inches minimum and 0.7500 inches maximum overall length, 0.2498 inches minimum and 0.2500 inches maximum rolling element diameter