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.
0.9995 inches minimum and 1.0000 inches maximum bore diameter, rigid alignment type, steel overall material, 0.3650 inches minimum and 0.3750 inches maximum overall width, 1.2495 inches minimum and 1.2505 inches maximum overall outside diameter