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.
58.0 rockwell c minimum inner member hardness rating, 1.2750 inches minimum and 1.2800 inches maximum inner member width, plastic polytetrafluoroethylene race liner material, 28.0 rockwell c minimum outer race member hardness rating, 0.7495 inches minimum and 0.7500 inches maximum bore diameter