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.
16.0 millimeters nominal bore diameter, 21.8 millimeters minimum and 22.0 millimeters maximum overall width, steel overall material, 22.0 millimeters nominal overall outside diameter, rigid alignment type