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 5910-00-135-0780
NSN 5999-00-481-5861
NSN 6150-01-504-0820
NSN 5835-01-647-6426
NSN 5935-01-472-6448
NSN 6135-01-235-4168
NSN 6610-01-122-0064
NSN 6220-01-303-8090
NSN 6220-01-211-4630
NSN 6650-01-532-2513
NSN 6105-00-513-7697
NSN 5925-01-572-1909