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.
66 fed std single material response or aisi assn std single material response overall material document and classification, 0.1250 inches nominal rolling element diameter, steel comp 440c overall material, afbma std tolerance for balls, grade 5 standard tolerance designation, metallic hardness for aisi 440b to be 55.0 rockwell c min and 62.0 rockwell c max special features