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 6220-01-041-8666
NSN 5915-00-724-6638
NSN 5990-00-351-5479
NSN 6110-01-646-0840
NSN 5998-01-038-0522
NSN 5990-01-378-7349
NSN 6105-00-643-4975
NSN 5935-01-293-8476
NSN 6135-01-437-6409
NSN 5950-00-896-5788
NSN 5935-01-241-9864
NSN 6620-01-361-8685