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 5910-01-009-5380
NSN 6145-01-365-1854
NSN 4140-01-626-6779
NSN 5905-01-351-7056
NSN 6240-01-526-0833
NSN 5945-01-325-1013
NSN 6110-00-202-2990
NSN 5855-01-425-1330
NSN 5835-00-080-8213
NSN 5965-01-374-9075
NSN 6105-01-252-8352
NSN 5905-01-164-3591