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Product Specifications:
| Item | Roller Chain Sprocket |
| Material | High Carbon Steel |
| No. Of Teeth | 21 |
| Number Of Teeth | 21 |
| Outside Dia. | 92.577 mm |
| Pitch | 12.7 mm |
| Pitch Dia. | 85.211 mm |
| Product Datasheet | martin-sprocket-06a15.pdf |
Shipping Info:
| Ship weight (kg) | 1.36 |
| Ship height (cm) | 4.01 |
| Ship length (cm) | 9.25 |
| Ship width (cm) | 9.25 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | Outside Dia. | Number Of Teeth | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
D08B11 | 45.078 mm | 52.444 mm | - | 35.001 mm | 12.7 mm | €155.40 | |
![]() |
D08B12 | 49.069 mm | 56.435 mm | 12 | 35.001 mm | 12.7 mm | €156.24 | |
![]() |
D08B13 | 53.068 mm | 60.434 mm | 13 | 35.001 mm | 12.7 mm | €158.20 | |
![]() |
D08B14 | 57.073 mm | 64.439 mm | 14 | 35.001 mm | 12.7 mm | €161.19 | |
![]() |
D08B15 | 61.084 mm | 68.45 mm | 15 | 35.001 mm | 12.7 mm | €161.19 | |
![]() |
D08B16 | 65.098 mm | 72.464 mm | 16 | 35.001 mm | 12.7 mm | €174.42 | |
![]() |
D08B17 | 69.116 mm | 76.482 mm | 17 | 35.001 mm | 12.7 mm | €167.23 |
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MARTIN SPROCKET D08B21 Roller Chain Sprocket, 21 Teeth, 85.211 mm Pitch Dia., 92.577 mm O.D., Steel
€206.61 /unit







