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National Stock Number:
3020-01-347-2857
Federal Supply Class:
3020
National Item Identification Number:
013472857
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:
| P16-1-72-C-Q12 | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | TEETH QUANTITY | 72 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 1.5000 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.542 INCHES | | FACE NOMINAL WIDTH | 0.104 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | SPLIT BOTH ENDS | | HUB NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.310 INCHES BOTH ENDS | | ATTACHMENT METHOD | SETSCREWS |
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