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 6240-00-941-8507
NSN 5996-01-097-3068
NSN 5925-00-708-8769
NSN 5920-01-116-1789
NSN 6620-00-215-1996
NSN 6135-01-462-6040
NSN 6320-01-347-2638
NSN 5935-01-634-0668
NSN 2925-01-446-6523
NSN 5905-00-140-7970
NSN 5999-01-029-8346
NSN 7035-01-270-0325