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 stabilized for operating temperature: -54 degrees fahrenheit to +350 degrees fahrenheit special test features, steel comp 4340 cage material, bearing ball conrad. part name assigned by controlling agency, ball material: ams 6440 or ams 6444; metallurgical control specification: sc5354; hardness: hrc 58 min; outer ring material: ams6440 or ams6444, metallurgical control specification: sc5354; inner ring material: ams6440 or ams6444, metallurgical control specification: sc5354 special features, t55 engine end item identification