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.
28.0 rockwell c minimum outer race member hardness rating, 0.7495 inches minimum and 0.7500 inches maximum bore diameter, 1.2780 inches minimum and 1.2800 inches maximum inner member width, 1.5620 inches minimum and 1.5630 inches maximum outer member outside diameter, 58.0 rockwell c minimum inner member hardness rating