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.
0.7493 inches minimum and 0.7500 inches maximum bore diameter, 0.8450 inches minimum and 0.8500 inches maximum inner ring width, rigid alignment type, 1.8740 inches minimum and 1.8750 inches maximum overall outside diameter, 0.7200 inches minimum and 0.7250 inches maximum outer ring width