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.
57.0 rockwell c minimum and 61.0 rockwell c maximum inner member hardness rating, 0.4000 inches minimum and 0.4050 inches maximum inner member width, 0.7495 inches minimum and 0.7500 inches maximum bore diameter, mil-g-23827 mil spec single material response lubrication material document and classification, groove external outer member lubrication feature