4720-00-848-4999 HOSE,PREFORMED Index 2930-00-848-5021 RADIATOR,ENGINE COOLANT

National Stock Number:
3110-00-848-5004

Federal Supply Class:
3110

National Item Identification Number:
008485004

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:
369A542302731MCDONNELL DOUGLAS HELICOPTER CO INC
369A54238V613THE BOEING COMPANY
M9105WI3MBRDUE852221335TIMKEN CO


Techincal Specification:
BEARING PRELOAD RATING20.0 POUNDS NOMINAL
BORE DIAMETER0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM
INTERNAL CLEARANCE0.0010 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL
LOAD DIRECTIONANGULAR
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-7808 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER1.8501 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM
OVERALL WIDTH0.9249 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM
MATERIALCOPPER ALLOY RETAINER
MATERIALOIL LUBRICATION
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
RETAINER FABRICATION METHODMACHINED
SPECIAL FEATURESSTABILIZED FOR OPERATION AT M 65 TO P 300 DEG F
STANDARD TOLERANCE DESIGNATIONABEC NO.3
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
SURFACE FINISHGROUND


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