3020-00-706-3116 GEAR,HELICAL Index 3120-00-706-3118 BEARING,PLAIN,SPHERICAL

National Stock Number:
3120-00-706-3117

Federal Supply Class:
3120

National Item Identification Number:
007063117

Description:
BEARING,PLAIN,SPHERICAL

Detail:
A DETACHABLE PART IN OR ON WHICH A JOURNAL, GUDGEON, PIVOT, OR THE LIKE MOVES. IT IS USED TO CARRY A LOAD AND TO REDUCE SLIDING FRICTION. IT DOES NOT EMPLOY ROLLING ELEMENTS. IT MAY BE DIVIDED INTO TWO OR MORE SEGMENTS OF 180 DEGREES (3.141 RADIANS) OR LESS. THE ITEM HAS A CYLINDRICAL BORE AND IS BASICALLY SPHERICAL IN ITS EXTERIOR DESIGN TO ALLOW FOR SHAFT MISALIGNMENT. EXCLUDES BEARING, PLAIN, SELF-ALIGNING.


Manufacturer Information:
335-405-8PC2370876BATH IRON WORKS CORPORATION
335-405-9-23LG70876BATH IRON WORKS CORPORATION


Techincal Specification:
MATERIALTIN ALLOY INNER LAYER
STEEL OUTER LAYER
STYLE DESIGNATORSEGMENTED
OVERALL LENGTH23.0000 INCHES NOMINAL
BODY INSIDE DIAMETER18.5875 INCHES MINIMUM AND
18.5895 INCHES MAXIMUM
EXTENSION OUTSIDE DIAMETER20.1250 INCHES NOMINAL
SPHERICAL BODY DIAMETER29.7470 INCHES MINIMUM AND
29.7500 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
63.0 MICROINCHES SPHERICAL SURFACE
THE MANUFACTURERS DATA
MANUFACTURERS CODE70876
DESIGN CONTROL REFERENCE335-405-9-23LG


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