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, 60.0 min rc,66.0 max rc special features, 2.989 millimeters minimum and 3.011 millimeters maximum rolling element diameter, ball style designator