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, rigid alignment type, 0.1562 inches nominal bore diameter, 0.2812 inches nominal overall outside diameter