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 5935-00-559-7377
NSN 6145-01-410-8322
NSN 6650-01-241-7978
NSN 5895-01-363-7150
NSN 5999-01-168-2495
NSN 6240-01-138-6453
NSN 6610-01-574-2429
NSN 5855-01-268-6468
NSN 5930-00-900-8190
NSN 6105-01-068-4366
NSN 5935-01-378-4121
NSN 6105-00-885-0773