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 6150-01-106-3646
NSN 5985-01-650-2526
NSN 5950-00-806-8867
NSN 5920-01-140-1120
NSN 6150-00-894-6804
NSN 5965-00-486-7907
NSN 5996-00-005-0222
NSN 5999-01-284-4039
NSN 6610-01-338-6272
NSN 5925-00-732-1929
NSN 5915-01-248-7671
NSN 5998-01-568-1537