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.
2.2495 inches minimum and 2.2500 inches maximum bore diameter, 2.9994 inches minimum and 3.0000 inches maximum overall outside diameter, 1.7450 inches minimum and 1.7500 inches maximum overall width, rigid alignment type, steel overall material