A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.
mil-g-25013 mil spec single material response lubrication material document and classification, straight bore shape, standard internal fit-up designation, 1.1248 inches minimum and 1.1250 inches maximum bore diameter, radial load direction