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 5835-01-360-0419
NSN 6150-00-814-5905
NSN 5895-01-324-9712
NSN 5915-01-437-8858
NSN 6150-00-460-7578
NSN 5895-01-501-5901
NSN 5925-00-254-4924
NSN 6220-01-545-3267
NSN 5925-01-024-5495
NSN 5910-01-219-0761
NSN 2925-01-049-8906
NSN 6650-01-014-0931