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.
0.2812 inches nominal rolling element diameter, 7.0 porm 0.1 gsm/cc density special features, chromium alloy overall material, ball style designator