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 6620-01-633-8443
NSN 5855-01-356-5284
NSN 6650-00-098-6128
NSN 6105-01-205-0576
NSN 6110-00-501-0014
NSN 5999-01-259-9232
NSN 5910-01-246-4138
NSN 5930-00-933-0515
NSN 6135-01-382-1980
NSN 5905-00-198-4579
NSN 6110-01-379-0606
NSN 5920-01-539-8884