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.
1.7490 inches minimum and 1.7500 inches maximum overall outside diameter, 0.7400 inches minimum and 0.7450 inches maximum overall width, rigid alignment type, 0.8746 inches minimum and 0.8750 inches maximum bore diameter, steel overall material