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.
mil-g-23827 mil spec single material response lubrication material document and classification, 9.88 millimeters minimum and 10.00 millimeters maximum inner member width, grease lubrication material, 11.992 millimeters minimum and 12.003 millimeters maximum bore diameter, steel comp e52100 inner member material