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 5998-01-009-8858
NSN 5935-01-135-9910
NSN 5835-00-165-3069
NSN 5945-00-237-3933
NSN 5990-00-811-0841
NSN 5945-01-411-4989
NSN 5996-00-675-4823
NSN 6645-00-269-8440
NSN 6150-01-349-1012
NSN 5855-01-394-3688
NSN 5998-00-516-8615
NSN 5895-00-716-2798