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.
0.9995 inches minimum and 1.0000 inches maximum bore diameter, steel overall material, 1.2550 inches minimum and 1.2600 inches maximum overall width, rigid alignment type, 1.7495 inches minimum and 1.7500 inches maximum overall outside diameter