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 6320-01-455-3394
NSN 5930-00-226-0562
NSN 6145-01-200-4055
NSN 5975-00-021-7127
NSN 5999-01-511-5049
NSN 5975-01-188-3640
NSN 5998-00-343-0665
NSN 5895-00-909-2740
NSN 5945-00-131-4684
NSN 6145-01-090-7258
NSN 6240-01-540-9299
NSN 4140-01-235-8094