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 race insert hardness rating, 28.0 rockwell c minimum and 37.0 rockwell c maximum race liner hardness rating, 37.0 rockwell c nominal spherical surface hardness rating, 0.7500 inches nominal bore diameter, c-17a aircraft end item identification