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-81322 assn std single material response and mobile 28 mfr ref single material response lubrication material document and classification, straight bore shape, angular load direction, contact bearing seal type, 25.0 millimeters nominal bore diameter