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 6685-01-099-2458
NSN 5895-01-147-2931
NSN 2925-01-625-6841
NSN 5945-01-123-5414
NSN 6610-00-553-5103
NSN 5920-01-586-8097
NSN 6610-00-606-8597
NSN 5930-01-577-5446
NSN 5965-00-351-7460
NSN 5920-01-111-7178
NSN 5905-01-331-2079
NSN 6650-01-374-4923