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 6610-01-200-3596
NSN 5855-00-014-5008
NSN 5960-01-515-4791
NSN 5999-01-213-4956
NSN 6145-00-617-4032
NSN 5945-01-440-1185
NSN 6110-01-356-4735
NSN 5975-01-634-0678
NSN 4140-01-055-6190
NSN 5835-01-462-5983
NSN 5930-01-555-3399
NSN 5999-00-021-2327