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.
3.9992 inches minimum and 4.0000 inches maximum overall outside diameter, rigid alignment type, 3.4990 inches minimum and 3.4995 inches maximum bore diameter, 206-010-189-1,97499 mfr ref single material response roller material document and classification, 1.2450 inches minimum and 1.2500 inches maximum overall width