4820-00-905-2025 STEM,FLUID VALVE Index 5310-00-905-2028 WASHER,SHOULDERED

National Stock Number:
3110-00-905-2027

Federal Supply Class:
3110

National Item Identification Number:
009052027

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:
422983086NEW HAMPSHIRE BALL BEARINGS INC
972082-000206481NORTHROP GRUMMAN SYSTEMS CORPORATION
972082-206481NORTHROP GRUMMAN SYSTEMS CORPORATION
S418-2203D11540920MPB CORP
S418CHD115DB40920MPB CORP
972082-278118MPB CORPORATION


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
OVERALL WIDTH0.1875 INCHES NOMINAL
BORE DIAMETER0.1248 INCHES MINIMUM AND
0.1249 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER0.2499 INCHES MINIMUM AND
0.2500 INCHES MAXIMUM
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
SHIELD QUANTITY1
LOAD DIRECTIONRADIAL
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND
0.0008 INCHES MAXIMUM RADIAL
SPECIAL FEATURESINNER RING RADIAL RUNOUT 0.0001 IN.,OUTER RING RADIAL RUNOUT 0.0002 IN.,BORE CALIBRATED FROM MINUS 0.00008 IN. TO 0.00022 IN.,BEARINGS MOUNTED WITH UNSHIELDED FACES TOGETHER


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