A cylindrical body of either solid or hollow construction which provides the rolling elements in the roller bearing.
needle roller, spherical ends style designator, 1.0000 inches nominal overall length, 0.1250 inches nominal rolling element diameter, 66,aisi/dae e50100,e51100 or e52100 fed std single material response overall material document and classification, steel comp e50100 or steel comp e51100 or steel comp e52100 overall material