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.
used to create internal checks for controlling oil flow functional description, service kit containing 12 each 5/16th inch diameter grade 25 chrome steel balls special features, 0.3125 inches nominal rolling element diameter, chromium and steel ball material