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.
contact bearing seal type, 0.5625 inches nominal overall outside diameter, rigid alignment type, 0.3650 inches minimum and 0.3750 inches maximum overall width, 0.3765 inches minimum and 0.3775 inches maximum bore diameter