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 6145-01-054-7463
NSN 6645-00-171-9639
NSN 7035-00-849-5526
NSN 6110-00-405-7554
NSN 6110-01-429-0008
NSN 4140-00-279-3148
NSN 5999-00-553-9061
NSN 5910-01-481-5078
NSN 5910-01-100-3390
NSN 6620-01-068-4498
NSN 5935-00-389-6325
NSN 6320-00-809-5744