A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.
0.4270 inches minimum and 0.4370 inches maximum overall width, 0.4370 inches minimum and 0.4380 inches maximum overall outside diameter, steel overall material, rigid alignment type, 0.2495 inches minimum and 0.2500 inches maximum bore diameter