MARTIN SPROCKET 20CTB84 Sprocket, 20B-1 Chain, 84 Teeth, 849.130 mm Pitch Dia., 869.770 mm O.D., Steel
869.770 mm
Get it by Friday, Jul 10
€2,954.37 /unit
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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 88.9 mm |
| Bushing Type | 3535 Taper |
| Chain Size | #20B-1 |
| Hub Dia. | 171 mm |
| Length Through Bore | 88.9 mm |
| Material | Steel |
| No. Of Teeth | 84 |
| Outside Dia. | 869.77 mm |
| Pitch | 31.75 mm |
| Pitch Dia. | 849.13 mm |
| Type | Type C Single Strand Stock Bore Welded |
Shipping Info:
| Ship weight (kg) | 72.9 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 86.97 |
| Ship width (cm) | 86.97 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | Outside Dia. | Bore Dia. | Hub Dia. | Length Through Bore | Bushing Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
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20BTB12H | 122.67 mm | 143.31 mm | 41.28 mm | 71 mm | 38.1 mm | 1615 Taper | 31.75 mm | €341.08 | |
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20BTB15H | 152.71 mm | 173.35 mm | 63.5 mm | 108 mm | 44.45 mm | 2517 Taper | 31.75 mm | €518.81 | |
![]() |
20BTB16H | 162.75 mm | 183.38 mm | 63.5 mm | 108 mm | 44.45 mm | 2517 Taper | 31.75 mm | €549.67 | |
![]() |
20BTB20H | 202.96 mm | 223.6 mm | 63.5 mm | 107 mm | 44.45 mm | 2517 Taper | 31.75 mm | €659.61 | |
![]() |
20BTB21H | 213.03 mm | 233.66 mm | 63.5 mm | 107 mm | 44.45 mm | 2517 Taper | 31.75 mm | €678.32 | |
![]() |
20BTB36 | 364.29 mm | 384.93 mm | 76.2 mm | 133 mm | 50.8 mm | 3020 Taper | 31.75 mm | €851.74 | |
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20BTB40 | 404.67 mm | 425.31 mm | 76.2 mm | 133 mm | 50.8 mm | 3020 Taper | 31.75 mm | €980.76 |
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MARTIN SPROCKET 20CTB84 Sprocket, 20B-1 Chain, 84 Teeth, 849.130 mm Pitch Dia., 869.770 mm O.D., Steel
€2,954.37 /unit





