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 6150-01-249-6324
NSN 6150-01-417-2425
NSN 5960-01-420-3072
NSN 5915-00-799-2975
NSN 6620-01-097-7078
NSN 5935-00-379-4756
NSN 5930-01-313-2716
NSN 5975-00-881-0099
NSN 7035-01-594-9198
NSN 5975-00-571-4143
NSN 5895-01-387-2943
NSN 5990-00-116-1919