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Product Specifications:
| Item | Roller Chain Sprocket |
| Material | Steel |
| No. Of Teeth | 57 |
| Outside Diameter | 237.91 mm |
| Pitch | 12.7 mm |
| Pitch Dia. | 230.54 mm |
| Pitch Diameter | 230.54 mm |
Shipping Info:
| Ship weight (kg) | 2.43 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 23.8 |
| Ship width (cm) | 23.8 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | Outside Dia. | Number Of Teeth | Length Through Bore | Bushing Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|
![]() |
08BTB114 | 460.91 mm | 468.27 mm | - | 44.45 mm | 2517 Taper | 12.7 mm | €549.19 | |
![]() |
08BTB14H | 57.07 mm | 64.44 mm | 14 | 22.23 mm | 1008 Taper | 12.7 mm | €112.29 | |
![]() |
08BTB15H | 61.08 mm | 68.45 mm | 15 | 22.23 mm | 1008 Taper Lock | 12.7 mm | €114.57 | |
![]() |
08BTB16H | 65.1 mm | 72.46 mm | 16 | 22.23 mm | 1008 Taper | 12.7 mm | €116.40 | |
![]() |
08BTB17H | 69.12 mm | 76.48 mm | 17 | 25.4 mm | 1210 Taper Lock | 12.7 mm | €127.59 | |
![]() |
08BTB18H | 73.14 mm | 80.5 mm | 18 | 25.4 mm | 1210 Taper | 12.7 mm | €125.06 | |
![]() |
08BTB19H | 77.16 mm | 84.53 mm | 19 | 25.4 mm | 1210 Taper | 12.7 mm | €132.81 |
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MARTIN SPROCKET 08BTB57 Roller Chain Sprocket, 57 Teeth, 230.540 mm Pitch Dia., 237.910 mm O.D., Steel
€284.53 /unit




