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 2925-01-573-1067
NSN 6130-01-068-4475
NSN 4140-01-459-1864
NSN 5985-01-633-9215
NSN 6685-01-512-2014
NSN 6650-01-493-3660
NSN 5945-00-995-2305
NSN 4140-01-291-4838
NSN 5975-01-462-4855
NSN 6110-01-542-6568
NSN 6110-01-429-2358
NSN 5855-01-110-9564