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.
c-17a aircraft end item identification, bearing,self-aligning,spherical part name assigned by controlling agency, 0.3730 inches minimum and 0.3750 inches maximum inner member width, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, plastic polytetrafluoroethylene race liner material