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 2925-01-125-9169
NSN 5915-00-711-1820
NSN 5915-01-633-9845
NSN 6610-00-001-3717
NSN 5935-00-609-6815
NSN 5935-01-659-1978
NSN 6110-01-125-5627
NSN 5920-01-630-5311
NSN 5930-01-474-8104
NSN 6150-01-151-4215
NSN 5920-00-201-4914
NSN 5920-00-332-8384