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.
grease lubrication material, 0.9995 inches minimum and 1.0005 inches maximum overall outside diameter, mil-g-25537 mil spec single material response lubrication material document and classification, rigid alignment type, 0.7495 inches minimum and 0.7500 inches maximum bore diameter