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.
steel corrosion resisting roller material, 0.3125 inches nominal overall width, 0.2500 inches nominal bore diameter, 0.4375 inches nominal overall outside diameter, rigid alignment type