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 5905-00-224-3616
NSN 6610-01-250-2811
NSN 6610-00-711-2551
NSN 5910-01-189-7276
NSN 6145-01-314-9897
NSN 5945-01-059-2605
NSN 6145-00-401-2404
NSN 5920-01-446-4524
NSN 5960-00-266-6741
NSN 5996-00-116-3950
NSN 6220-00-149-0977
NSN 5975-01-649-8168