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 5935-01-219-9710
NSN 5855-00-925-0114
NSN 5925-01-401-5314
NSN 5975-01-420-8487
NSN 5835-00-911-6330
NSN 5930-01-339-3461
NSN 7035-01-624-6076
NSN 5895-01-655-8296
NSN 5990-01-411-5930
NSN 5855-00-145-3307
NSN 5855-00-973-5717
NSN 5985-01-114-0483