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 nominal inner member hardness rating, plastic race liner material, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, copper alloy race insert material, 0.3700 inches minimum and 0.3750 inches maximum inner member width