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.
1.0000 inches nominal outer ring width, 1.0625 inches nominal inner ring width, 1.7500 inches nominal bore diameter, rigid alignment type, 4940-01-658-0431;test station electrical-electronic equip end item identification