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.
54.0 rockwell c nominal inner member hardness rating, 0.7450 inches minimum and 0.7500 inches maximum inner member width, steel comp 440c inner member material, steel comp 630 outer race member material, 0.6245 inches minimum and 0.6250 inches maximum bore diameter