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National Stock Number:
3020-00-275-3042
Federal Supply Class:
3020
National Item Identification Number:
002753042
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:
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Manufacturer Information:
| 3B7944 | 11083 | CATERPILLAR INC | | IPD3B7944 | 55883 | INDUSTRIAL PARTS DEPOT INC |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE NOMINAL DIAMETER | 2.7498 INCHES BOTH ENDS | | BORE STYLE | W/ KEYWAY BOTH ENDS | | FACE NOMINAL WIDTH | 1.625 INCHES | | HARDNESS RATING | 82.9 ROCKWELL B MINIMUM AND 96.4 ROCKWELL B MAXIMUM HUB | | HARDNESS RATING | 82.9 ROCKWELL B MINIMUM AND 96.4 ROCKWELL B MAXIMUM TEETH | | HELIX ANGLE | 25.5438 DEGREES | | HUB NOMINAL DIAMETER | 3.750 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | KEYWAY NOMINAL WIDTH | 0.4935 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1045 OVERALL | | PITCH DIAMETER | 6.3333 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.1848 INCHES FIRST END | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.605 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 6.6165 INCHES | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 40 | | TEETH TYPE | SINGLE HELIX | | TOOTH DIRECTION | RIGHT | | TOOTH FORM | STANDARD | | SPECIAL FEATURES | TWO 0.453 IN. DIA PULLER HOLES DRILLED 1.625 IN. DEEP AND COUNTERBORED 0.516 IN. BY 0.375 IN. DEEP,TAPPED 0.500-20 NF THD SIZE,180 DEG APART 0N A 4.938 IN. DIA BOLT CIRCLE,LETTER C MARKED ON SIDE OF GEAR FACE 48 DEG 51 MIN 30 SEC TO LEFT OF CENTER LINE OF KEYWAY |
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