3110-00-232-7978 BALL,BEARING Index 3110-00-232-7980 BEARING,BALL,DUPLEX

National Stock Number:
3110-00-232-7979

Federal Supply Class:
3110

National Item Identification Number:
002327979

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:
203-036-000295542NORTHROP GRUMMAN SYSTEMS CORPORATION
50219-20132828KAYDON CORPORATION
FI040BH4Z05021932828KAYDON CORPORATION
FI040BH5Z05021932828KAYDON CORPORATION


Techincal Specification:
BEARING SEAL TYPECONTACT
BORE DIAMETER3.9997 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM
CONTACT ANGLE30.0 DEGREES NOMINAL
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONANGULAR
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER4.6247 INCHES MINIMUM AND 4.6250 INCHES MAXIMUM
OVERALL WIDTH0.7200 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIALGREASE LUBRICATION
MATERIALPLASTIC PHENOLIC RETAINER
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND PLASTIC PHENOLIC SEAL
MATERIALSTEEL COMP E52100 INNER RING
MATERIALSTEEL COMP E52100 BALL
MATERIALSTEEL COMP E52100 OUTER RING
RETAINER FABRICATION METHODMACHINED
SEAL QUANTITY2
SPECIAL FEATURESETCH V ON BORES AND OD OF BEARINGS AT HIGH POINTS OF RADIAL RUNOUT,0.0003 RADIAL RUNOUT INNER RING,0.0004 RADIAL RUNOUT OUTER RING; KAYDON PRECISION CASS 4,FSCM 32828
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
SURFACE FINISHGROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-V-173 MIL SPEC SINGLE TREATMENT RESPONSE RETAINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-V-173 MIL SPEC SINGLE TREATMENT RESPONSE SEAL
SURFACE TREATMENTVARNISH RETAINER
SURFACE TREATMENTVARNISH SEAL
TEST DATA DOCUMENT32828-63-44-24-1-2 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.).


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