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 4140-01-025-7404
NSN 2925-00-707-6770
NSN 5990-01-224-8052
NSN 5998-01-312-5404
NSN 5985-01-227-2220
NSN 5905-01-062-4774
NSN 6650-01-068-3997
NSN 5950-01-459-7961
NSN 6320-01-624-0193
NSN 6110-00-174-7836
NSN 5965-01-310-5695
NSN 5835-01-229-6964