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, steel overall material, two lips on outer ring drawn over shoulders of inner rings id chamfered both sides 0.0250 in. to 0.0100 in. by 45 deg special features, grease lubrication material, afbma std tolerance for industrial needle bearings standard tolerance designation