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


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