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 or copper alloy retainer material, 4.0012 inches minimum and 4.0024 inches maximum bore diameter, 1.9950 inches minimum and 2.0000 inches maximum overall width, 4.9990 inches minimum and 5.0000 inches maximum overall outside diameter