A cylindrical body of either solid or hollow construction which provides the rolling elements in the roller bearing.
0.3123 inches minimum and 0.3125 inches maximum rolling element diameter, 0.8540 inches minimum and 0.8640 inches maximum overall length, cylindrical roller, flat ends style designator, rockwell hardness c 60.0 min 64.0 max special features, steel comp e52100 overall material