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 5996-00-138-9938
NSN 6320-01-607-2978
NSN 6620-01-513-9674
NSN 5895-00-516-9357
NSN 5990-00-186-2445
NSN 5965-01-165-9787
NSN 6105-01-581-3813
NSN 6645-01-223-7274
NSN 6110-00-252-2113
NSN 5998-00-152-8372
NSN 6150-01-090-0982
NSN 5985-01-327-3017