A homogenous spherical body, a series of which provides the rolling elements in a bearing, ball (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes:ball,check; ball,valve,ported.
ball spherical within 0.0002 in.,surface finish 32 microinches aa and surface treatment,anodized per ams 2470 special features, aluminum overall material, 0.2177 inches minimum and 0.2197 inches maximum rolling element diameter, ball style designator, ams4118 assn std single material response overall material document and classification