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.
37.0 rockwell c minimum inner member hardness rating, 0.4010 inches minimum and 0.4060 inches maximum inner member width, 0.3745 inches minimum and 0.3750 inches maximum bore diameter, groove and perforation inner member lubrication feature, 28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member hardness rating