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.
3.7492 inches minimum and 3.7500 inches maximum bore diameter, 4.6240 inches minimum and 4.6250 inches maximum overall outside diameter, 1.5000 inches nominal inner ring width, rigid alignment type, 1.0490 inches nominal outer ring width