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.
annular ball bearing part name assigned by controlling agency, aircraft, awacs, e-3a; antenna drive atk77/a37d-1, p/n 42190r6 end item identification