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.
5.5110 inches minimum and 5.5118 inches maximum overall outside diameter, 3.7564 inches minimum and 3.7578 inches maximum bore diameter, 2.6200 inches minimum and 2.6250 inches maximum overall width, rigid alignment type, steel overall material