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 6645-01-358-7137
NSN 5999-00-829-3630
NSN 6320-01-358-8069
NSN 5950-00-229-0564
NSN 5960-01-513-3230
NSN 6645-00-758-4567
NSN 5905-00-241-7117
NSN 5855-01-554-5794
NSN 5920-01-102-7354
NSN 5895-01-525-5258
NSN 5998-01-118-2041
NSN 6610-01-116-2527