3110-01-344-3896 BEARING,ROLLER,CYLINDRICAL Index 3120-01-344-3898 BEARING,SLEEVE

National Stock Number:
3110-01-344-3897

Federal Supply Class:
3110

National Item Identification Number:
013443897

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:
7110KJD-40138443SKF USA INC.
AAM9110WO-221335TIMKEN CO
SB1128-10238443SKF USA INC.
SB1128-10278286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
MATERIALSTEEL COMP M50 BALL
STEEL COMP M50 INNER RING
STEEL COMP M50 OUTER RING
STEEL COMP 4340 RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6491 ASSN STD SINGLE MATERIAL RESPONSE BALL
AMS 6491 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
AMS 6491 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
SURFACE TREATMENTSILVER RETAINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2412 ASSN STD SINGLE TREATMENT RESPONSE RETAINER
STYLE DESIGNATORSHOULDERED INNER RING, NON-SEPARABLE, FACE TO FACE MOUNTING
OVERALL WIDTH1.2398 INCHES MINIMUM AND
1.2598 INCHES MAXIMUM
BORE DIAMETER1.9682 INCHES MINIMUM AND
1.9685 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER3.1492 INCHES MINIMUM AND
3.1496 INCHES MAXIMUM
SURFACE FINISHGROUND
RETAINER FABRICATION METHODMACHINED
LOAD DIRECTIONANGULAR
BEARING PRELOAD DESIGNATIONLIGHT
BEARING PRELOAD RATING20.0 POUNDS NOMINAL
CONTACT ANGLE25.0 DEGREES MINIMUM AND
30.0 DEGREES MAXIMUM
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONPLATED RETAINER SILVER
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE78286
MFR SOURCE CONTROLLING REFERENCESB1128-102


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