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.
56.0 rockwell c nominal inner member hardness rating, 0.4980 inches minimum and 0.5000 inches maximum inner member width, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, plastic polytetrafluoroethylene race liner material, steel comp 440c inner member material