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 5985-00-996-1062
NSN 5945-01-619-7148
NSN 6105-01-642-8164
NSN 5895-01-092-0396
NSN 7035-00-096-9986
NSN 5915-00-148-8253
NSN 5895-00-456-2388
NSN 6645-01-428-3576
NSN 5950-01-469-0311
NSN 5905-01-163-3078
NSN 5990-00-359-9839
NSN 5855-01-083-9053