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.
1.8745 inches minimum and 1.8750 inches maximum overall outside diameter, mil-h-5606 mil spec 1st material response and mil-t-5624 mil spec 2nd material response lubrication material document and classification, 1.3759 inches minimum and 1.3769 inches maximum bore diameter, rigid alignment type, lubricant lubrication material