An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.
Classification: Thrust ball bearings
NSN 5965-00-882-6949
NSN 5950-01-647-7805
NSN 6150-01-371-3023
NSN 5998-01-467-9447
NSN 6110-01-397-2885
NSN 5935-00-072-9424
NSN 6620-01-004-2738
NSN 5905-01-263-3797
NSN 5996-01-324-7008
NSN 6650-00-690-8709
NSN 5950-01-232-2119
NSN 5895-01-526-2772