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Product Specifications:
| Item | Worm Gear |
| Bore Dia. | 0.75" to 0.939" |
| Diametral Pitch | 8 |
| Direction Of Rotation | Right Hand |
| Face Width | 3/4" |
| Hub Dia. | 1 3/4" |
| Hub Projection | 3/4" |
| Length | 1 1/2" |
| Material | Cast Iron |
| No. Of Teeth | 20 |
| No. Of Threads | 1 |
| Outside Dia. | 2.78" |
| Pitch Dia. | 2 1/2" |
| Pressure Angle | 14.5° |
| Type | Plain Reborable |
Shipping Info:
| Ship weight (kg) | 0.56 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 7.06 |
| Ship width (cm) | 7.06 |
| 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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W850 | 6 1/4" | 50 | 2 1/2" | 1" to 1.439" | Reborable Web | 7/8" | 50:1 | Cast Iron | €378.30 | |
![]() |
W860 | 7 1/2" | 60 | 2 1/2" | 1" to 1.439" | Reborable Web | 7/8" | 60:1 | Cast Iron | €417.83 | |
![]() |
W830 | 3 3/4" | 30 | 1 3/4" | 0.75" to 0.939" | Reborable Web | 3/4" | - | Cast Iron | €231.24 | |
![]() |
W840 | 5" | 40 | 2 3/8" | 1" to 1.439" | Reborable Web | 7/8" | - | Cast Iron | €286.16 | |
![]() |
W848 | 6" | 48 | 2 3/8" | 1" to 1.439" | Reborable Web | 3/4" | - | Cast Iron | €366.63 | |
![]() |
W880 | 10" | 80 | 3" | 1.25" to 1.815" | Reborable Web | 7/8" | - | Cast Iron | €501.58 |
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MARTIN SPROCKET W820 Worm Gear, 8 Diametral Pitch, 2.5 Inch Pitch Dia., Reborable, Cast Iron
€179.47 /unit






