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 6685-01-398-0653
NSN 7035-01-249-4547
NSN 6685-01-553-7469
NSN 5998-00-525-8219
NSN 5975-01-526-3151
NSN 2925-01-327-3069
NSN 5905-01-381-5664
NSN 6150-00-762-6648
NSN 6320-01-461-5866
NSN 5920-01-347-3608
NSN 6110-01-339-9977
NSN 6145-01-281-7222