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.
b-1b acft end item identification, 3.0810 inches nominal inner member width, 0.9300 inches nominal bore diameter, 35.0 rockwell c minimum and 46.0 rockwell c maximum outer race member hardness rating, 35.0 rockwell c minimum and 46.0 rockwell c maximum inner member hardness rating