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 6610-01-511-0982
NSN 6610-01-354-3087
NSN 5930-00-245-7019
NSN 6220-01-575-2837
NSN 5930-01-201-7679
NSN 6135-00-073-8939
NSN 6320-01-600-5808
NSN 5935-01-574-3298
NSN 5975-01-167-7427
NSN 4140-01-303-6524
NSN 6650-00-585-2786
NSN 5996-00-940-8927