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.
ams 5630,cond 440 assn std single material response inner member material document and classification, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, 55.0 rockwell c minimum outer ring hardness rating, 24.0 rockwell c minimum and 32.0 rockwell c maximum inner member hardness rating, 1.0290 inches minimum and 1.0310 inches maximum inner member width