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 minimum inner member hardness rating, 38.0 rockwell c minimum outer race member hardness rating, 0.3080 inches minimum and 0.3130 inches maximum inner member width, steel comp 440c inner member material, 0.3745 inches minimum and 0.3750 inches maximum bore diameter