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 6320-01-279-0343
NSN 6320-01-414-3515
NSN 5895-01-105-5515
NSN 5905-00-168-1586
NSN 6135-00-452-2266
NSN 5910-01-395-8710
NSN 6240-01-305-4697
NSN 5999-01-378-7129
NSN 6645-01-426-8621
NSN 4140-01-392-9049
NSN 5925-00-290-4451
NSN 5905-01-583-8237