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.
0.5625 inches nominal rolling element diameter, steel comp 440a or steel comp 440b or steel comp 440c overall material, 1.2 microinch surface finish special features, aisi assn std all material responses overall material document and classification, afbma std tolerance for balls, grade 100 standard tolerance designation