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 and 37.0 rockwell c maximum outer race member hardness rating, 0.3730 inches minimum and 0.3750 inches maximum inner member width, bearing,plain,self-aligning part name assigned by controlling agency, 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member hardness rating, 0.3120 inches minimum and 0.3125 inches maximum bore diameter