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Product Specifications:
| Item | Worm Gear |
| Diametral Pitch | 8" |
| Direction Of Rotation | Right Hand |
| Face Width | 3/4" |
| Gear Ratio | 3:1 |
| Hub Dia. | 1 1/2" |
| Hub Projection | 22/25" |
| Material | Bronze |
| No. Of Teeth | 12 |
| No. Of Threads | 4 |
| Output Dia. | 1.83" |
| Overall Length | 1.63" |
| Pitch Dia. | 1 1/2" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-cd1145.pdf |
| Product Series | QB Series |
| Rotation | Right Hand |
| Type | Plain |
Shipping Info:
| Ship weight (kg) | 0.42 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 4.14 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Output Dia. | Output Torque | No. Of Teeth | Diametral Pitch | Pitch Dia. | Hub Dia. | No. Of Threads | Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
DB860A | 7.81" | - | 60 | 8" | 7 1/2" | 2 1/2" | 2 | Web | €1,274.36 | |
![]() |
DB1420A | 2.81" | - | 20 | 8" | 2 1/2" | 1 3/4" | 2 | Plain | €506.76 | |
![]() |
DB1421A | 4.06" | - | 30 | 8" | 3 3/4" | 1.69" | 2 | Web | €621.54 | |
![]() |
DB1422 | 5.31" | - | 40 | 8" | 5" | 2.18" | 2 | Web | €814.85 | |
![]() |
DB1423A | - | 1794 lbs.-in. | 50 | 8 | 6 1/4" | 2.31" | 2 | - | €1,150.89 | |
![]() |
DB1620A | 2.81" | - | 20 | 8" | 2 1/2" | 1 3/4" | 4 | Plain | €539.48 | |
![]() |
DB1621A | - | 607 lbs.-in. | 30 | 8 | 3 3/4" | 1.69" | 4 | - | €723.46 |
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Contact us
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BOSTON GEAR QB812 Worm Gear, 8 Diametral Pitch, 14.5 PA, 12 Teeth, Right Hand, Bronze
€556.53 /unit







