Holes spaced 100 degrees apart, two grooves on side
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 5999-00-982-4900
NSN 5910-01-423-8567
NSN 5915-01-492-9684
NSN 5960-01-469-8421
NSN 6645-01-355-5067
NSN 5920-01-442-7685
NSN 6685-01-343-0640
NSN 5935-00-729-5559
NSN 5975-01-229-6571
NSN 6320-01-478-9351
NSN 5960-01-632-6576
NSN 4140-01-466-4284