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Product Specifications:
| Item | Roller Chain Sprocket |
| Material | High Carbon Steel |
| No. Of Teeth | 12 |
| Number Of Teeth | 12 |
| Outside Dia. | 143.31 mm |
| Pitch | 31.75 mm |
| Pitch Dia. | 122.673 mm |
Shipping Info:
| Ship weight (kg) | 4.28 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 14.33 |
| Ship width (cm) | 14.33 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | Outside Dia. | Number Of Teeth | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
D20B16 | 162.745 mm | 183.383 mm | 16 | 80.01 mm | 31.75 mm | €795.93 | |
![]() |
D20B17 | 172.79 mm | 193.427 mm | 17 | 80.01 mm | 31.75 mm | €775.93 | |
![]() |
D20B19 | 192.898 mm | 213.536 mm | 19 | 80.01 mm | 31.75 mm | €1,071.47 | |
![]() |
D20B20 | 202.96 mm | 223.598 mm | - | 80.01 mm | 31.75 mm | €1,101.17 | |
![]() |
D20B22 | 223.097 mm | 243.734 mm | 22 | 80.01 mm | 31.75 mm | €1,217.05 | |
![]() |
D20B23 | 233.17 mm | 253.808 mm | 23 | 80.01 mm | 31.75 mm | €1,262.98 | |
![]() |
D20B30 | 303.745 mm | 324.383 mm | 30 | 80.01 mm | 31.75 mm | €1,857.65 |
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MARTIN SPROCKET D20B12 Sprocket, 20B-2 Chain, 12 Teeth, 122.673 mm Pitch Dia., 143.310 mm O.D., Steel
€656.45 /unit







