NPFC - A-A-52491
BEARING, GROOVED, BALL, THRUST: INCH AND METRIC SIZES, RACE SURFACE RIGID OR FLAT SEAT TYPE
|Publication Date:||18 April 2018|
This CID covers the requirements for a thrust ball bearing, referred to herein as "bearing". It consists of two hardened and ground washers (thrust plates) enclosing a complement of precision ground and lapped balls and. separated by a cage or retainer. The bearing is used to provide axial rigidity and not recommended if radial loading is expected.