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Product Specifications:
| Item | Worm Gear |
| Bore Dia. | 0.5" to 0.626" |
| Diametral Pitch | 12 |
| Direction Of Rotation | Right Hand |
| Face Width | 1/2" |
| Gear Ratio | 10:1 |
| Hub Dia. | 1 1/4" |
| Hub Projection | 1/2" |
| Hub Type | B |
| Key Way Size | 1/8" x 1/16" |
| Material | Cast Iron |
| No. Of Teeth | 20 |
| No. Of Threads | 2 |
| Outside Dia. | 1.853" |
| Pitch Dia. | 1.666" |
| Pressure Angle | 14.5° |
| Type | Plain Reborable |
Shipping Info:
| Ship weight (kg) | 0.17 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 4.7 |
| Ship width (cm) | 4.7 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Hub Dia. | Bore Dia. | Type | Hub Projection | Gear Ratio | Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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W1250D | 4.166" | 50 | 1 3/4" | 0.75" to 0.9385" | Reborable Web | 5/8" | 25:1 | Cast Iron | €231.24 | |
![]() |
W1230D | 2 1/2" | 30 | 1 1/2" | 0.75" to 0.8135" | Plain Reborable | 5/8" | 15:1 | Cast Iron | €182.41 | |
![]() |
W1240D | 3.333" | 40 | 1 3/4" | 0.75" to 0.9385" | Reborable Web | 5/8" | 20:1 | Cast Iron | €194.02 |
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MARTIN SPROCKET W1220D Worm Gear, 12 Diametral Pitch, 1.666 Inch Pitch Dia., Reborable, Cast Iron
€166.00 /unit



