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 5910-01-578-6803
NSN 6650-01-412-4217
NSN 5915-00-514-2098
NSN 5999-00-127-3495
NSN 6650-01-498-2633
NSN 5965-00-926-2591
NSN 6105-01-120-8904
NSN 5996-00-239-4782
NSN 5910-00-837-0971
NSN 5996-00-104-8293
NSN 6645-01-120-7135
NSN 5975-01-432-1346