3110-01-256-7204 BEARING,ROLLER,NEEDLE Index 4820-01-256-7207 VALVE,CHECK

National Stock Number:
3110-01-256-7206

Federal Supply Class:
3110

National Item Identification Number:
012567206

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:
206-040-032-978118MPB CORPORATION
206-040-032-997499BELL TEXTRON INC
9316WI10521335TIMKEN CO


Techincal Specification:
MATERIALSTEEL COMP M50 BALL
STEEL COMP 4340 RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6490 ASSN STD SINGLE MATERIAL RESPONSE BALL
AMS6415 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
STYLE DESIGNATORUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH1.2398 INCHES MINIMUM AND
1.2598 INCHES MAXIMUM
BORE DIAMETER3.1493 INCHES MINIMUM AND
3.1496 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER4.3304 INCHES MINIMUM AND
4.3307 INCHES MAXIMUM
STANDARD TOLERANCE DESIGNATIONABEC NO.5
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE97499
MFR SOURCE CONTROLLING REFERENCE206-040-032-9


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