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.
bearing, tapered roller part name assigned by controlling agency, weight:5.91 lbs; inside dimension:2.5 in; outside dimension:4.438 in; width:2.373 in special features