3110-01-131-2989 BEARING,ROLLER,NEEDLE Index 3120-01-131-2991 BEARING,SLEEVE

National Stock Number:
3110-01-131-2990

Federal Supply Class:
3110

National Item Identification Number:
011312990

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:
17270512356CINCINNATI MACHINE CO
2MM9107WOPCRDULFS160B21335TIMKEN CO
30560412356CINCINNATI MACHINE CO


Techincal Specification:
BEARING PRELOAD DESIGNATIONLIGHT
BEARING PRELOAD RATING20.0 POUNDS NOMINAL
BEARING SEAL TYPECONTACT
BORE DIAMETER35.00 MILLIMETERS NOMINAL
LOAD DIRECTIONANGULAR
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONBEACON 325,FSCM 29700 MFR REF SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER62.00 MILLIMETERS NOMINAL
OVERALL WIDTH28.00 MILLIMETERS NOMINAL
MATERIALPLASTIC PHENOLIC RETAINER
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
RETAINER FABRICATION METHODMACHINED
SEAL QUANTITY2
SPECIAL FEATURESPAIR OF BEARINGS W/FACES GROUND FOR UNIVERSAL DUPLEX MTG; COUNTERBORED INNER RING AND DEEP GROOVE OUTER RING; INWARD CONVERGENT; SEAL LOCATED ON SIDE OPPOSITE LOW SHOULDER OF INNER RING,1 EACH BEARING
STANDARD TOLERANCE DESIGNATIONABEC NO.7
SURFACE FINISHGROUND


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