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 6130-01-256-6055
NSN 5835-01-216-7289
NSN 5998-01-361-8532
NSN 5996-00-149-0708
NSN 7035-01-316-7860
NSN 4140-00-800-7263
NSN 6650-01-425-1934
NSN 6105-01-095-6807
NSN 6135-01-420-5907
NSN 6130-01-442-0941
NSN 5935-00-890-4452
NSN 5950-00-584-4571