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.
afbma std tolerance for balls, grade 5 standard tolerance designation, 72 balls per set special features, 0.28155 inches nominal rolling element diameter, steel comp 440c overall material, ams 5618 assn std single material response overall material document and classification