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 5835-01-432-1277
NSN 5855-01-556-0263
NSN 5945-01-593-5316
NSN 5855-01-389-8884
NSN 5965-01-526-2087
NSN 5935-01-569-0265
NSN 6130-01-368-7673
NSN 5945-01-483-3247
NSN 5910-01-425-1773
NSN 6110-00-271-9928
NSN 5985-01-425-8828
NSN 6150-00-952-2766