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 5960-00-982-8546
NSN 5950-00-599-4586
NSN 5910-00-201-1874
NSN 5990-01-599-4721
NSN 5855-01-381-7493
NSN 5999-01-466-1548
NSN 5999-01-297-6085
NSN 6145-01-441-2630
NSN 5985-01-417-8480
NSN 5910-00-498-0746
NSN 5985-01-660-0738
NSN 5935-01-254-5100