3120-00-661-4387 BEARING,SLEEVE Index 3120-00-661-4405 BEARING,WASHER,THRUST

National Stock Number:
3120-00-661-4397

Federal Supply Class:
3120

National Item Identification Number:
006614397

Description:
BEARING,WASHER,THRUST

Detail:
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.


Manufacturer Information:
670109624617GENERAL MOTORS CORP
670109672582ROLLS-ROYCE SOLUTIONS AMERICA INC
PC6701096C7432POWER COMPONENTS (DEUTSCHLAND) GMBH


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DIAMETER2.6870 INCHES MINIMUM AND 2.6970 INCHES MAXIMUM
HARDNESS RATING60.0 ROCKWELL B MINIMUM OVERALL
OUTSIDE DIAMETER3.3125 INCHES NOMINAL
OVERALL THICKNESS0.1220 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM
SPECIAL FEATURESFOUR GROOVES ON EACH SIDE
STYLE DESIGNATORROUND


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