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MARTIN SPROCKET D12BTB21 Sprocket, 12B-2 Chain, 21 Teeth, 127.820 mm Pitch Dia., 139.560 mm O.D., Steel
Item: AJ9NHRModel: D12BTB21
7 In Stock
139.560 mm
Ships within 2 days via
€406.33 /unit
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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 63.5 mm |
| Bushing Type | 2517 Taper |
| Chain Size | #12B-2 |
| Hub Dia. | 109 mm |
| Length Through Bore | 44.45 mm |
| Material | High Carbon Steel |
| No. Of Teeth | 21 |
| Pitch | 19.05 mm |
| Pitch Dia. | 127.82 mm |
| Product Datasheet | martin-sprocket-06a15.pdf |
| Type | Type B Double Strand Solid Stock Bore |
Shipping Info:
| Ship weight (kg) | 0.21 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 13.94 |
| Ship width (cm) | 13.94 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Material | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Chain Size | Bushing Type | Bore Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 |
D12BTB15 | Steel | 91.63 mm | 15 | 38.1 mm | 72.09 mm | 12B-2 | 1615 Taper Lock | - | €343.08 | |
|
D12BTB23 | High Carbon Steel | 139.9 mm | 23 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €435.40 | |
|
D12BTB25 | High Carbon Steel | 151.99 mm | 25 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €464.46 | |
|
D12BTB30 | High Carbon Steel | 182.25 mm | 30 | 44.45 mm | 164 mm | #12B-2 | 2517 Taper | 63.5 mm | €660.06 | |
 |
D12CTB38 | High Carbon Steel | 230.69 mm | 38 | 44.45 mm | 152 mm | #12B-2 | 2517 Taper | 63.5 mm | €742.71 | |
 |
D12CTB57 | High Carbon Steel | 345.81 mm | 57 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €1,103.58 | |
|
D12BTB16 | High Carbon Steel | 97.65 mm | 16 | 38.1 mm | 77 mm | #12B-2 | 1615 Taper | 41.28 mm | €358.35 |
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MARTIN SPROCKET D12BTB21 Sprocket, 12B-2 Chain, 21 Teeth, 127.820 mm Pitch Dia., 139.560 mm O.D., Steel
€406.33 /unit