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 5975-01-047-8591
NSN 5920-00-040-2923
NSN 6135-00-128-1633
NSN 5965-00-501-7835
NSN 5935-01-557-3061
NSN 5990-00-389-0554
NSN 6110-01-239-4180
NSN 7035-01-227-2546
NSN 4140-01-289-1264
NSN 5998-01-408-5594
NSN 6110-01-255-6523
NSN 5945-01-430-4992