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.
motor,alternating current 20hp 1800rpm end item identification, steel overall material, ff-b-171 fed spec all material responses overall material document and classification