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 5895-01-382-9755
NSN 5985-01-114-0483
NSN 5985-00-100-0140
NSN 6645-01-442-6476
NSN 5960-01-025-2526
NSN 5925-01-169-4284
NSN 6135-01-243-5797
NSN 6645-00-372-2618
NSN 5835-00-624-1548
NSN 2925-01-439-4451
NSN 6105-01-348-6606
NSN 5990-01-378-7349