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, 0.6250 inches nominal overall width, 0.4375 inches nominal bore diameter, oil hole in outer ring special features, afbma std tolerance for industrial needle bearings standard tolerance designation