A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.
nsn 2320-01-417-3180 end item identification, 1.9690 inches nominal inner member width, 2.2500 inches nominal bore diameter, steel inner member material, steel outer race member material