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.
rigid alignment type, mil-g-23827 mil spec single material response lubrication material document and classification, combination rotogravure line intaglio press a and b end item identification, contact bearing seal type, 18.00 millimeters nominal bore diameter