3020-01-297-5441 GEAR,BEVEL Index 3020-01-297-5443 GEAR,HELICAL

National Stock Number:
3020-01-297-5442

Federal Supply Class:
3020

National Item Identification Number:
012975442

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:
2W767511083CATERPILLAR INC


Techincal Specification:
BODY STYLEWEBBED, OFFSET, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER50.6 MILLIMETERS BOTH ENDS
BORE STYLEW/COUNTERBORE BOTH ENDS
COUNTERBORE NOMINAL DEPTH10.0 MILLIMETERS COUNTER BORE, SECOND END
COUNTERBORE NOMINAL DEPTH40.0 MILLIMETERS COUNTERBORE, FIRST END
COUNTERBORE NOMINAL DIAMETER50.914 MILLIMETERS COUNTERBORE, FIRST END
COUNTERBORE NOMINAL DIAMETER51.981 MILLIMETERS COUNTER BORE, SECOND END
END NOMINAL DIAMETER71.933 MILLIMETERS FIRST END
END NOMINAL LENGTH25.36 MILLIMETERS FIRST END
FACE NOMINAL WIDTH40.39 MILLIMETERS
FIRST STEP NOMINAL DIAMETER154.42 MILLIMETERS FIRST END
FIRST STEP NOMINAL LENGTH37.64 MILLIMETERS FIRST END
HELIX ANGLE15.5000 DEGREES
HUB STYLE DESIGNATOR2 STEPS FIRST END
III MATERIALSTEEL OVERALL
PITCH DIAMETER210.869 MILLIMETERS NOMINAL
PRESSURE ANGLE20.0000 DEGREES
PROPRIETARY CHARACTERISTICSPACS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END77.11 MILLIMETERS FIRST END
NOMINAL OUTSIDE DIAMETER218.41 MILLIMETERS
SECOND STEP NOMINAL DIAMETER157.5 MILLIMETERS FIRST END
SECOND STEP NOMINAL LENGTH14.11 MILLIMETERS FIRST END
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY64
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT


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