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 5920-01-328-5310
NSN 7035-01-060-3835
NSN 5960-00-297-7099
NSN 5910-01-271-5368
NSN 5996-00-543-1566
NSN 5950-01-140-6929
NSN 5990-01-233-6699
NSN 6620-00-458-8266
NSN 5975-01-073-7863
NSN 6135-01-014-3144
NSN 5998-01-297-3772
NSN 5950-01-457-7024