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.
0.3750 inches nominal bore diameter, rigid alignment type, afbma std tolerance for airframe needle bearings standard tolerance designation, grease lubrication material, 0.8750 inches nominal overall outside diameter