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.
rigid alignment type, 0.1875 inches nominal bore diameter, 0.3438 inches nominal overall outside diameter, oil lubricating lubrication material, 0.3750 inches nominal overall width