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 5996-00-189-2322
NSN 5895-00-730-9774
NSN 5990-01-646-8048
NSN 6645-00-081-4298
NSN 6610-00-958-0294
NSN 5996-01-161-9408
NSN 5945-00-615-8245
NSN 6150-01-582-1474
NSN 6110-00-393-1212
NSN 5855-01-172-4568
NSN 6105-01-566-6462
NSN 6145-01-131-7671