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 5905-00-050-1341
NSN 5996-01-551-4801
NSN 5925-01-374-7002
NSN 6240-01-564-3477
NSN 5895-01-632-7350
NSN 6650-01-183-0711
NSN 6105-01-128-3153
NSN 5835-01-478-0157
NSN 6610-00-441-0523
NSN 5835-01-581-1957
NSN 5996-00-932-1986
NSN 6135-00-613-1068