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.
ball steel comp 440c to association standard ams 5630, ball hardness to rockwell c c 55.0 minimum and 62.0 maximum, outer ring grade 17-4 ph steel supplementary features