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.
1.2400 inches minimum and 1.2500 inches maximum overall width, 2.7510 inches minimum and 2.7525 inches maximum bore diameter, 3.1250 inches nominal overall outside diameter, 66 fed std all material responses outer ring material document and classification, rigid alignment type