3110-01-187-1939 BEARING,BALL,DUPLEX Index 3120-01-187-1941 BEARING,SLEEVE

National Stock Number:
3110-01-187-1940

Federal Supply Class:
3110

National Item Identification Number:
011871940

Description:
BEARING,BALL,DUPLEX

Detail:
Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.


Manufacturer Information:
509202132828KAYDON CORPORATION
93002509205LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV
93002540920MPB CORP


Techincal Specification:
BEARING PRELOAD RATING30.0 POUNDS NOMINAL
BORE DIAMETER3.9997 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM
CONTACT ANGLE30.0 DEGREES NOMINAL
LOAD DIRECTIONANGULAR
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-81846 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER4.4997 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM
OVERALL WIDTH0.4700 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
MATERIALPLASTIC PHENOLIC SEPARATOR
MATERIALSTEEL CORROSION RESISTING BALL
MATERIALSTEEL CORROSION RESISTING INNER RACE
MATERIALSTEEL CORROSION RESISTING OUTER RACE
RETAINER FABRICATION METHODPRESSED
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
SURFACE FINISHGROUND


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