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.
0.9375 inches nominal inner ring width, 0.4375 inches nominal bore diameter, 0.8750 inches nominal outer ring width, 1.5000 inches nominal overall outside diameter, rigid alignment type