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National Stock Number:
3020-01-114-7298
Federal Supply Class:
3020
National Item Identification Number:
011147298
Description:
GEAR,ANTIBACKLASH,SPUR
Detail:
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.
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Manufacturer Information:
| P15-3-208 | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.104 INCHES | | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 3.2810 INCHES | | PITCH DIAMETER | 3.2500 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | MTG HOLES 90 DEGS APART | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 208 | | TOOTH FORM | STANDARD |
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