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.
astm a295,type a assn std single material response overall material document and classification, 1.4995 inches minimum and 1.5000 inches maximum bore diameter, 1.3070 inches minimum and 1.3120 inches maximum inner member width, steel comp e52100 overall material, 57.0 rockwell c minimum and 61.0 rockwell c maximum overall hardness rating