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, 0.5000 inches nominal bore diameter, 0.7500 inches nominal overall width, afbma std tolerance for industrial needle bearings standard tolerance designation, 0.6875 inches nominal overall outside diameter