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Product Specifications:
| Item | Worm Gear |
| Bore Dia. | 1" |
| Center Distance | 4" |
| Diametral Pitch | 4 |
| Flush Face To Worm Centerline | 0.75 |
| Gear Outside Diameter | 5.62 |
| Hand | Right |
| Hardened Teeth | Without Hardened Teeth |
| Helix Angle | 4.7667° |
| Hub Dia. | 2 1/2" |
| Length Through Bore | 1 3/4" |
| Material | Bronze |
| Mating Worm (hard) | 4 DP |
| No. Of Leads | 1 |
| No. Of Teeth | 20 |
| No. Of Threads | 1 |
| Outer Dia. | 5.62" |
| Output Torque | 1667 lbs.-in. |
| Pitch Dia. | 5" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-cd1145.pdf |
| Ratio | 20:1 |
| Right/left Hand | Right Hand |
| Rotation | Right Hand |
Shipping Info:
| Ship weight (kg) | 3.83 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Output Torque | Rotation | Bore Dia. | Material | Price | |
|---|---|---|---|---|---|---|---|
![]() |
GB1101 | 2336 lbs.-in. | Right Hand | 1" | Bronze | €1,954.15 |
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BOSTON GEAR GB1100 Worm Gear, 4 Diametral Pitch, 14.5 PA, 20 Teeth, Right Hand, Bronze
€1,640.46 /unit

