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 5835-01-566-5462
NSN 5925-01-071-3158
NSN 5990-01-356-4259
NSN 2925-01-612-0405
NSN 5925-00-416-6790
NSN 6685-01-142-4572
NSN 6685-01-398-2756
NSN 5925-01-442-8589
NSN 5996-00-338-9760
NSN 5960-00-790-0509
NSN 6650-01-529-6721
NSN 6110-01-367-5162