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 6650-00-269-5000
NSN 5975-00-426-0657
NSN 5935-01-420-7778
NSN 4140-00-823-9194
NSN 5905-01-195-9697
NSN 6685-01-311-3299
NSN 7035-01-391-7470
NSN 6645-01-532-9027
NSN 5965-00-061-1061
NSN 2925-01-027-1293
NSN 5915-01-591-7452
NSN 5996-01-152-2948