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.
5.5118 inches nominal bore diameter, contact bearing seal type, standard internal fit-up designation, support equipment (se), b-2 bomber end item identification, straight bore shape