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 5998-00-850-8501
NSN 5910-01-338-0936
NSN 6610-01-112-0447
NSN 5915-00-683-3800
NSN 5960-00-473-2602
NSN 5999-00-452-9641
NSN 6135-00-921-6487
NSN 5985-00-419-0342
NSN 6685-01-364-8552
NSN 5895-00-138-5669
NSN 5905-00-814-5850
NSN 5999-00-333-2766