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.
qq-c-530 fed spec all material responses inner member material document and classification, steel or steel corrosion resisting outer race member material, 1.6825 inches minimum and 1.6875 inches maximum inner member width, copper alloy 172 or copper alloy 173 inner member material, 1.3745 inches minimum and 1.3765 inches maximum bore diameter