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 6610-01-113-2726
NSN 5910-01-475-1319
NSN 6610-00-487-5651
NSN 5935-01-287-4416
NSN 5975-01-495-0991
NSN 6135-01-222-0703
NSN 5985-01-154-2027
NSN 5975-01-133-3440
NSN 5965-01-589-0448
NSN 5965-01-354-9834
NSN 5945-01-362-6659
NSN 5930-00-476-5842