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.
steel overall material, ball style designator, nickel plate 0.0002 in. thickness over copper plate 0.002 in. thickness special features, afbma std tolerance for balls, grade 200 standard tolerance designation, 0.5625 inches nominal rolling element diameter