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.
66 fed std single material response inner member material document and classification, groove external outer member lubrication feature, 63.0 rockwell c nominal inner member hardness rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 0.5880 inches minimum and 0.5930 inches maximum inner member width