3020-00-274-2970 GEAR,HELICAL Index 3020-00-274-2974 GEAR,HELICAL

National Stock Number:
3020-00-274-2971

Federal Supply Class:
3020

National Item Identification Number:
002742971

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:
8B085511083CATERPILLAR INC
8B85511083CATERPILLAR INC


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE NOMINAL DIAMETER1.493 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH1.250 INCHES
FURNISHED ITEMS AND QUANTITY1 EXTERNALLY LUBRICATED BEARING
HARDNESS RATING82.9 ROCKWELL B MINIMUM AND 96.4 ROCKWELL B MAXIMUM TEETH
HELIX ANGLE25.5439 DEGREES
HUB NOMINAL DIAMETER2.500 INCHES FIRST END
HUB NOMINAL DIAMETER2.500 INCHES SECOND END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1045 OVERALL
PITCH DIAMETER5.5420 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.3038 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER5.826 INCHES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY35
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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