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 5960-01-477-7632
NSN 6110-01-590-2904
NSN 6145-01-609-9715
NSN 2925-01-364-7926
NSN 6110-01-369-9684
NSN 5935-00-475-2434
NSN 7035-00-206-6123
NSN 6105-01-020-7266
NSN 6320-00-539-9283
NSN 5975-00-859-9906
NSN 5920-01-296-0958
NSN 6650-00-316-0260