3020-01-350-0227 GEAR,HELICAL Index 3020-01-350-0229 GEAR,SPUR

National Stock Number:
3020-01-350-0228

Federal Supply Class:
3020

National Item Identification Number:
013500228

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:
1W108911083CATERPILLAR INC
1W1089 IT 111083CATERPILLAR INC
1W109011083CATERPILLAR INC


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDSW/COUNTERBORE SECOND END
BORE NOMINAL DIAMETER135.0 MILLIMETERS BOTH ENDS
COUNTERBORE NOMINAL DEPTH20.0 MILLIMETERS SECOND END
COUNTERBORE NOMINAL DIAMETER180.0 MILLIMETERS SECOND END
END NOMINAL DIAMETER167.0 MILLIMETERS FIRST END
FACE NOMINAL WIDTH55.0 MILLIMETERS
FIRST STEP NOMINAL DIAMETER170.0 MILLIMETERS FIRST END
FIRST STEP NOMINAL LENGTH32.0 MILLIMETERS FIRST END
HELIX ANGLE17.0000 DEGREES
HUB STYLE DESIGNATOR2 STEPS FIRST END
III MATERIALSTEEL OVERALL
PITCH DIAMETER247.897 MILLIMETERS NOMINAL
PRESSURE ANGLE20.0000 DEGREES
PROPRIETARY CHARACTERISTICSPACS
MOUNTING HOLE TYPE AND QUANTITY12 PLAIN AXIALLY THROUGH BODY, FIRST END
NOMINAL OUTSIDE DIAMETER261.53 MILLIMETERS
SECOND STEP NOMINAL DIAMETER230.0 MILLIMETERS FIRST END
SECOND STEP NOMINAL LENGTH5.0 MILLIMETERS FIRST END
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY56
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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