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Product Specifications:
| Item | Roller Chain Sprocket |
| Material | High Carbon Steel |
| No. Of Teeth | 12 |
| Number Of Teeth | 12 |
| Outside Dia. | 85.351 mm |
| Pitch | 19.05 mm |
| Pitch Dia. | 73.604 mm |
Shipping Info:
| Ship weight (kg) | 1.43 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 8.53 |
| Ship width (cm) | 8.53 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | Outside Dia. | Number Of Teeth | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
E12B11 | 67.617 mm | 79.365 mm | - | 70.002 mm | 19.05 mm | €304.54 | |
![]() |
E12B13 | 79.602 mm | 91.349 mm | 13 | 70.002 mm | 19.05 mm | €339.85 | |
![]() |
E12B15 | 91.625 mm | 103.373 mm | 15 | 70.002 mm | 19.05 mm | €362.01 | |
![]() |
E12B17 | 103.674 mm | 115.421 mm | 17 | 70.002 mm | 19.05 mm | €401.38 | |
![]() |
E12B19 | 115.739 mm | 127.486 mm | 19 | 70.002 mm | 19.05 mm | €443.59 | |
![]() |
E12B20 | 121.776 mm | 133.524 mm | - | 70.002 mm | 19.05 mm | €408.63 | |
![]() |
E12B21 | 127.816 mm | 139.564 mm | 21 | 69.977 mm | 19.05 mm | €432.96 |
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MARTIN SPROCKET E12B12 Sprocket, 12B-3 Chain, 12 Teeth, 73.604 mm Pitch Dia., 85.351 mm O.D., Steel
€313.60 /unit







