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.
34.0 rockwell c minimum inner member hardness rating, 23.0 rockwell c minimum and 35.0 rockwell c maximum outer ring hardness rating, 0.4350 inches minimum and 0.4370 inches maximum inner member width, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, ams 5643 assn std single material response inner member material document and classification