3020-00-249-9929 GEAR,HELICAL Index 3020-00-249-9937 GEAR,HELICAL

National Stock Number:
3020-00-249-9934

Federal Supply Class:
3020

National Item Identification Number:
002499934

Description:
GEAR,HELICAL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:


Manufacturer Information:
2F604611083CATERPILLAR INC


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER4.1885 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH1.750 INCHES
HARDNESS RATING57.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE21.0394 DEGREES
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIALSTEEL OVERALL
PITCH DIAMETER3.5710 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL OVERALL LENGTH3.733 INCHES
NOMINAL OUTSIDE DIAMETER3.9015 INCHES
SPLINE PITCH DIAMETER2.1000 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY16 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY20
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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