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 and mil-l-8937, form b mil spec single material response lubrication material document and classification, steel comp 4340 overall material, 1.5260 inches minimum and 1.5310 inches maximum inner member width, 1.7495 inches minimum and 1.7500 inches maximum bore diameter, grease and lubricant dry film lubrication material