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 5905-00-241-9340
NSN 5910-00-670-7526
NSN 5950-00-161-6055
NSN 5985-01-154-2654
NSN 6150-01-442-3504
NSN 6240-01-645-2228
NSN 5990-00-424-1598
NSN 5998-00-419-6844
NSN 5930-01-043-7829
NSN 6145-00-826-3995
NSN 6145-00-844-7464
NSN 6610-01-320-6628