3110-01-024-4903 BEARING,BALL,DUPLEX Index 3120-01-024-4905 BEARING,SLEEVE

National Stock Number:
3110-01-024-4904

Federal Supply Class:
3110

National Item Identification Number:
010244904

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:
204FTX52K5DFME8G3370854SCHAEFFLER AEROSPACE USA CORP
6090424-203640LOCKHEED MARTIN CORPORATION


Techincal Specification:
MATERIALSTEEL COMP E52100 BALL
STEEL COMP E52100 INNER RING
STEEL COMP E52100 OUTER RING
ALUMINUM AND
PLASTIC PHENOLIC RETAINER
PLASTIC PHENOLIC AND
FIBER SEAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE BALL
SAE ASSN STD SINGLE MATERIAL RESPONSE INNER RING
SAE ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
OVERALL WIDTH28.0 MILLIMETERS NOMINAL
BORE DIAMETER20.0 MILLIMETERS NOMINAL
OVERALL OUTSIDE DIAMETER47.0 MILLIMETERS NOMINAL
LUBRICATION MATERIALGREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO.7
SURFACE FINISHGROUND
RETAINER FABRICATION METHODMOLDED
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
LOAD DIRECTIONRADIAL
INTERNAL CLEARANCE0.00015 INCHES MAXIMUM RADIAL
BEARING PRELOAD DESIGNATIONHEAVY
BEARING PRELOAD RATING30.0 POUNDS NOMINAL
SPECIAL FEATURESUNSEALED FACES TOGETHER


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