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.
0.2810 inches nominal outer ring width, 0.9990 inches minimum and 1.0000 inches maximum overall outside diameter, 0.3743 inches minimum and 0.3750 inches maximum bore diameter, rigid alignment type, 0.3750 inches nominal inner ring width