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 5835-01-307-8954
NSN 6650-00-554-4568
NSN 5930-01-044-2614
NSN 5996-00-369-5299
NSN 5915-01-433-2128
NSN 5990-01-595-9441
NSN 5950-01-462-5982
NSN 5985-00-867-4038
NSN 6685-01-408-9436
NSN 5895-00-765-4482
NSN 5999-01-081-0309
NSN 6150-00-274-5571