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 5985-01-046-1780
NSN 5915-00-701-9135
NSN 5996-00-249-1104
NSN 5895-01-384-3679
NSN 5915-01-451-7535
NSN 5910-00-584-2199
NSN 5998-01-192-8737
NSN 5910-01-384-6982
NSN 5998-01-419-2522
NSN 5920-01-009-1307
NSN 6150-01-553-8837
NSN 5935-01-503-7957