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.
0.7400 inches minimum and 0.7500 inches maximum overall width, 0.5015 inches minimum and 0.5025 inches maximum bore diameter, steel outer ring material, rigid alignment type, 0.6880 inches nominal overall outside diameter