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.
0.3120 inches nominal overall width, 0.5000 inches nominal bore diameter, 0.6875 inches nominal overall outside diameter, 66 fed std single material response overall material document and classification, rigid alignment type