3130-00-227-3987 BEARING UNIT,BALL Index 3110-00-227-3991 BEARING,BALL,ANNULAR

National Stock Number:
3110-00-227-3990

Federal Supply Class:
3110

National Item Identification Number:
002273990

Description:
BEARING,BALL,ANNULAR

Detail:
A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.


Manufacturer Information:
0379-456232LOCKHEED MARTIN CORPORATION
R6Z4VL70854SCHAEFFLER AEROSPACE USA CORP
SR643334GENERAL MOTORS CORP DELCO MORAINE NDH DIV
R6Z4VL-0-11DPD70854SCHAEFFLER AEROSPACE USA CORP
R6Z4VL0-11DD70854SCHAEFFLER AEROSPACE USA CORP


Techincal Specification:
BORE DIAMETER0.3750 INCHES NOMINAL
BORE SHAPESTRAIGHT
INTERNAL CLEARANCE0.0003 INCHES MINIMUM RADIAL AND 0.0006 INCHES MAXIMUM RADIAL
LOAD DIRECTIONRADIAL
OVERALL OUTSIDE DIAMETER0.8750 INCHES NOMINAL
OVERALL WIDTH0.2188 INCHES NOMINAL
MATERIALSTEEL OVERALL
RETAINER FABRICATION METHODCOILED
SPECIAL FEATURESVENDOR TO PRELUBRICATE BEARING WITH SURFACE FILM OF LUBRICATING OIL,INSTRUMENT AIRCRAFT CONFORMING TO MIL-L-6085,SHIELD NOTCHES NOT PERMITTED ON INNER OR OUTER RACES,STARTING TORQUE 1.0 GMCM UNDER 400 GM THRUST LOAD
STANDARD TOLERANCE DESIGNATIONABEC NO.5
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND


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