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, 0.3745 inches minimum and 0.3750 inches maximum bore diameter, grease lubrication material, 0.5066 inches minimum and 0.5071 inches maximum overall outside diameter, mil-g-81322 mil spec single material response lubrication material document and classification