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 6110-01-640-7237
NSN 6610-00-535-1372
NSN 5935-00-071-3634
NSN 2925-01-358-8346
NSN 2925-00-156-8963
NSN 6220-00-574-1099
NSN 6650-01-416-7910
NSN 5999-01-269-1157
NSN 6240-01-467-6429
NSN 6220-00-225-8345
NSN 2925-01-197-7864
NSN 5960-01-278-9394