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 style designator, afbma std tolerance for balls, grade 25 standard tolerance designation, 0.2498 inches nominal rolling element diameter, steel comp e52100 overall material, 66,aisi/sae e52100 fed std single material response overall material document and classification