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.
ball bearing part name assigned by controlling agency, gearbox assembly, steering; well deck crane bridge assembly on ship end item identification, manufacturer description 6309zz special features