4820-00-483-8443 DIAPHRAGM,VALVE,FLAT Index 4710-00-483-8446 TUBE ASSEMBLY,SPECI

National Stock Number:
3110-00-483-8445

Federal Supply Class:
3110

National Item Identification Number:
004838445

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:
65951-11360-10378286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
MATERIALSTEEL BALL
STEEL INNER RING
STEEL OUTER RING
COPPER ALLOY RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6490 ASSN STD SINGLE MATERIAL RESPONSE BALL
AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, TANDEM MOUNTING
OVERALL WIDTH104.0 MILLIMETERS NOMINAL
BORE DIAMETER180.0 MILLIMETERS NOMINAL
OVERALL OUTSIDE DIAMETER320.0 MILLIMETERS NOMINAL
STANDARD TOLERANCE DESIGNATIONABEC NO.3
SURFACE FINISHGROUND
RETAINER FABRICATION METHODMACHINED
LOAD DIRECTIONANGULAR
INTERNAL CLEARANCE0.0680 INCHES NOMINAL AXIAL AND
0.0200 INCHES MINIMUM RADIAL AND
0.0220 INCHES MAXIMUM RADIAL
SPECIAL FEATURESSTABILIZED FOR OPERATION AT M 65 TO P 350 DEG F,MAX SURFACE FINISH UNGROUND SURFACES 125 UIN AA,GROUND SURFACES 32 UIN AA,RACEWAYS 10 UIN AA,PERMANENTLY MARK EACH BEARING W/SAME SERIAL NO.,/V/ ETCHED ON OUTER RINGS TO INDICATE DIRECTION OF THRUST
TEST DATA DOCUMENT81343-AMS2640 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). AND
81343-AMS26A45 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCE65951-11360-103


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