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Product Specifications:
| Item | Roller Chain Sprocket |
| Material | High Carbon Steel |
| No. Of Teeth | 21 |
| Number Of Teeth | 21 |
| Outside Dia. | 186.3 mm |
| Pitch | 25.4 mm |
| Pitch Dia. | 170.42 mm |
Shipping Info:
| Ship weight (kg) | 4.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 18.62 |
| Ship width (cm) | 18.62 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | Outside Dia. | Number Of Teeth | Length Through Bore | Bushing Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|
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D16ATB17 | 138.23 mm | 154.11 mm | 17 | 44.45 mm | 2517 Taper Lock | 25.4 mm | €612.96 | |
![]() |
D16BTB19 | 154.32 mm | 170.19 mm | 19 | 50.8 mm | 3020 Taper | 25.4 mm | €671.07 | |
![]() |
D16BTB23 | 186.54 mm | 202.41 mm | 23 | 50.8 mm | 3020 Taper | 25.4 mm | €742.14 | |
![]() |
D16BTB25 | 202.66 mm | 218.53 mm | - | 50.8 mm | 3020 Taper | 25.4 mm | €829.96 | |
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D16CTB30 | 243 mm | 258.87 mm | 30 | 50.8 mm | 3020 Taper | 25.4 mm | €818.72 | |
![]() |
D16CTB38 | 307.58 mm | 323.46 mm | 38 | 50.8 mm | 3020 Taper | 25.4 mm | €1,138.87 | |
![]() |
D16CTB57 | 461.08 mm | 476.96 mm | - | 50.8 mm | 3020 Taper | 25.4 mm | €2,022.01 |
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MARTIN SPROCKET D16BTB21 Sprocket, 16B-2 Chain, 21 Teeth, 170.420 mm Pitch Dia., 186.300 mm O.D., Steel
€763.42 /unit







