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.
18.00 millimeters nominal outer ring width, 54.5 grams maximum unpackaged unit weight, 52.00 millimeters nominal overall outside diameter, separable inner race, drawn shell style designator, combination rotogravure line intaglio press a and b end item identification