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Product Specifications:
| Item | Worm Gear |
| Diametral Pitch | 12" |
| Face Width | 1/2" |
| Gear Ratio | 3:1 |
| Hub Dia. | 1" |
| Hub Projection | 0.62" |
| Material | Bronze |
| No. Of Teeth | 12 |
| No. Of Threads | 4 |
| Output Dia. | 1.23" |
| Overall Length | 1 3/25" |
| Pitch Dia. | 1" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-cd1145.pdf |
| Product Series | QB Series |
| Rotation | Right Hand |
| Type | Plain |
Shipping Info:
| Ship weight (kg) | 0.11 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.84 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
DB1260A | 5.21" | - | 60 | 12" | 5" | 1.69" | 2 | Web | €620.50 | |
![]() |
DB1400 | 1.87" | - | 20 | 12" | 1.667" | 1 1/4" | 2 | Plain | €283.95 | |
![]() |
DB1401A | - | 284 lbs.-in. | 30 | 12 | 2 1/2" | 1.18" | 2 | - | €334.14 | |
![]() |
DB1402A | 3.54" | - | 40 | 12" | 3.333" | 1 11/25" | 2 | Web | €391.23 | |
![]() |
DB1403A | - | 726 lbs.-in. | 50 | 12 | 4.166" | 1.44" | 2 | - | €477.01 | |
![]() |
QB1216 | 1 14/25" | - | 16 | 12" | 1.333" | 1 1/4" | 4 | Plain | €304.43 | |
![]() |
QB1260A | 5.21" | - | 60 | 12" | 5" | 1.69" | 4 | Web | €634.37 |
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BOSTON GEAR QB1212 Worm Gear, 12 Diametral Pitch, 14.5 PA, 12 Teeth, Right Hand, Bronze
€290.83 /unit







