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.
0.2495 inches minimum and 0.2500 inches maximum bore diameter, 28.0 rockwell c minimum and 58.0 rockwell c maximum inner member hardness rating, 28.0 rockwell c minimum and 58.0 rockwell c maximum outer race member hardness rating, 0.3380 inches minimum and 0.3430 inches maximum inner member width, fed std 66 fed std single material response and aisi 440c assn std single material response and sae 51440c assn std single material response inner member material document and classification