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.
rigid alignment type, 3.7550 inches nominal bore diameter, 4.7450 inches minimum and 4.7500 inches maximum outer ring width, 4.9900 inches minimum and 5.0050 inches maximum inner ring width, 8.9990 inches minimum and 9.0000 inches maximum overall outside diameter