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 6610-01-352-4768
NSN 5910-00-064-8033
NSN 6645-01-150-2039
NSN 6650-01-660-5441
NSN 5910-01-604-3294
NSN 5960-00-816-9040
NSN 6685-00-999-1680
NSN 5915-01-327-4692
NSN 6650-01-014-7671
NSN 6685-01-055-5919
NSN 6620-01-462-1625
NSN 5996-01-112-0154