5315-00-281-8009 KEY,MACHINE Index 8305-00-281-8016 CORD,ELASTIC

National Stock Number:
3110-00-281-8015

Federal Supply Class:
3110

National Item Identification Number:
002818015

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:
3TARZ37-46-11940920MPB CORP
3TARZ37-46-11978118MPB CORPORATION
901790-1C02731MCDONNELL DOUGLAS HELICOPTER CO INC
901790-1C40920MPB CORP
901790-1C82577RAYTHEON COMPANY
4403783086NEW HAMPSHIRE BALL BEARINGS INC
901790-1C83086NEW HAMPSHIRE BALL BEARINGS INC


Techincal Specification:
BEARING PRELOAD RATING55.0 POUNDS NOMINAL
BEARING SEAL TYPECONTACT
BORE DIAMETER2.3125 INCHES NOMINAL
LOAD DIRECTIONANGULAR
OVERALL OUTSIDE DIAMETER2.8750 INCHES NOMINAL
OVERALL WIDTH0.5220 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988,TY 2,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE SEAL
MATERIALGREASE LUBRICATION
MATERIALPLASTIC PHENOLIC RETAINER
MATERIALRUBBER FLUOROSILICONE CLASS FQ SEAL
MATERIALSTEEL COMP 440C BALL
MATERIALSTEEL COMP 440C INNER RING
MATERIALSTEEL COMP 440C OUTER RING
RETAINER FABRICATION METHODMACHINED
SEAL QUANTITY1
SPECIAL FEATURESWIDTH OF UNSEALED BEARING IS 0.2460 IN.,CONTACT ANGLE OF 15 DEG MIN TO 20 DEG MAX,SEALED SIDE OF BEARING FACES OUTSIDE
STANDARD TOLERANCE DESIGNATIONABEC NO.5
SURFACE FINISHGROUND


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