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