A cylindrical body of either solid or hollow construction which provides the rolling elements in the roller bearing.
steel comp 5140 overall material, 1.7950 inches minimum and 1.8050 inches maximum overall length, 0.8738 inches minimum and 0.8742 inches maximum rolling element diameter, mil-c-16232,type 2 mil spec single treatment response overall surface treatment document and classification, cylindrical roller, flat ends style designator