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.
57.0 rockwell c nominal inner member hardness rating, 0.4370 inches minimum and 0.4375 inches maximum bore diameter, groove external outer member lubrication feature, 0.4320 inches minimum and 0.4370 inches maximum inner member width, 19.0 rockwell c nominal outer race member hardness rating