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 5998-00-339-5737
NSN 5999-00-275-5447
NSN 5935-00-395-8186
NSN 5930-01-105-4796
NSN 5905-01-254-8787
NSN 6110-00-990-6168
NSN 5930-00-218-4739
NSN 5910-01-209-2759
NSN 5925-00-145-9065
NSN 5998-00-827-0527
NSN 5930-00-771-8555
NSN 6645-01-348-9624