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 6645-01-615-4448
NSN 5945-00-392-4201
NSN 6135-01-071-4923
NSN 5915-01-103-4811
NSN 5935-01-010-3415
NSN 6220-01-519-9305
NSN 5895-01-102-8690
NSN 5950-01-628-8066
NSN 6145-01-421-4257
NSN 5925-01-463-9258
NSN 5960-01-247-4560
NSN 5905-01-297-0103