MARTIN SPROCKET E12B21 Sprocket, 12B-3 Chain, 21 Teeth, 127.816 mm Pitch Dia., 139.564 mm O.D., Steel
139.564 mm
Get it by Thursday, Dec 18
€432.96 /unit
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Product Specifications:
| Item | Roller Chain Sprocket |
| Hub Diameter | 100 mm |
| Material | High Carbon Steel |
| No. Of Teeth | 21 |
| Number Of Teeth | 21 |
| Outside Dia. | 139.564 mm |
| Pitch | 19.05 mm |
| Pitch Dia. | 127.816 mm |
Shipping Info:
| Ship weight (kg) | 5.27 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 13.94 |
| Ship width (cm) | 13.94 |
| 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 | |
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E12B12 | 73.604 mm | 85.351 mm | 12 | 70.002 mm | 19.05 mm | €313.60 | |
![]() |
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 |
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MARTIN SPROCKET E12B21 Sprocket, 12B-3 Chain, 21 Teeth, 127.816 mm Pitch Dia., 139.564 mm O.D., Steel
€432.96 /unit







