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.
1.6250 inches nominal bore diameter, 1.2450 inches minimum and 1.2500 inches maximum overall width, rigid alignment type, 2.5630 inches nominal overall outside diameter, steel corrosion resisting or copper alloy retainer material