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Product Specifications:
| Item | Worm Gear |
| Bore Dia. | 0.75" to 0.9385" |
| Diametral Pitch | 12 |
| Direction Of Rotation | Right Hand |
| Face Width | 1/2" |
| Gear Ratio | 25:1 |
| Hub Dia. | 1 3/4" |
| Hub Projection | 5/8" |
| Hub Type | B |
| Key Way Size | 1/8" x 1/16" |
| Material | Cast Iron |
| No. Of Teeth | 50 |
| No. Of Threads | 2 |
| Outside Dia. | 4.353" |
| Pitch Dia. | 4.166" |
| Pressure Angle | 14.5° |
| Type | Reborable Web |
Shipping Info:
| Ship weight (kg) | 0.68 |
| Ship height (cm) | 5.08 |
| Ship length (cm) | 11.05 |
| Ship width (cm) | 11.05 |
| Country of Origin | US |
Product Variants
| Product | Model | Bore Dia. | Pitch Dia. | Outside Dia. | Hub Dia. | Hub Projection | Gear Ratio | Type | Diametral Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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W1230D | 0.75" to 0.8135" | 2 1/2" | 2.686" | 1 1/2" | 5/8" | 15:1 | Plain Reborable | 12 | €182.41 | |
![]() |
W1220D | 0.5" to 0.626" | 1.666" | 1.853" | 1 1/4" | 1/2" | 10:1 | Plain Reborable | 12 | €166.00 | |
![]() |
W1240D | 0.75" to 0.9385" | 3.333" | 3 13/25" | 1 3/4" | 5/8" | 20:1 | Reborable Web | 12 | €194.02 |
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MARTIN SPROCKET W1250D Worm Gear, 12 Diametral Pitch, 4.166 Inch Pitch Dia., Reborable, Cast Iron
€231.24 /unit



