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 5990-01-193-0487
NSN 5910-01-142-6962
NSN 5960-01-514-5433
NSN 5990-00-847-6957
NSN 5920-00-689-5656
NSN 6110-00-998-4810
NSN 5960-01-381-2478
NSN 6610-01-346-8241
NSN 6130-00-277-7321
NSN 6150-01-063-6483
NSN 6220-00-456-2911
NSN 6130-01-406-1868