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.
bearing plain self lubricating part name assigned by controlling agency, 0.4980 inches minimum and 0.5000 inches maximum inner member width, plastic polytetrafluoroethylene race liner material, steel comp 440c inner member material, 0.4995 inches minimum and 0.5000 inches maximum bore diameter