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.
metallic hardness rating brinell tungsten carbine min 625.0 in. and max 700.0 in. special features, afbma std tolerance for balls, grade 200 standard tolerance designation, ball style designator, steel comp 5140 ball material, 0.4375 inches nominal rolling element diameter