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 5998-00-676-1270
NSN 5910-01-231-6551
NSN 7035-01-540-9072
NSN 6110-00-480-4827
NSN 5990-01-478-8638
NSN 7035-01-412-8322
NSN 6220-00-734-0276
NSN 5910-01-408-8098
NSN 6145-01-062-4960
NSN 5930-01-630-0089
NSN 6150-01-373-1392
NSN 5905-00-357-2810