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 6110-00-402-7637
NSN 5999-00-581-9088
NSN 5985-00-160-5464
NSN 6145-01-516-9020
NSN 6105-01-015-5035
NSN 6645-01-272-6987
NSN 5925-01-347-3202
NSN 6150-00-928-4961
NSN 5965-01-599-8180
NSN 6650-01-642-0367
NSN 5999-01-145-3414
NSN 5915-00-725-0679