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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 41.28 mm |
| Bushing Type | 1610 Taper |
| Chain Size | #10B-1 |
| Hub Dia. | 76 mm |
| Length Through Bore | 25.4 mm |
| Material | Steel |
| No. Of Teeth | 21 |
| Pitch | 15.88 mm |
| Product Datasheet | martin-sprocket-06a15.pdf |
| Type | Type B Single Strand Solid Stock Bore |
Shipping Info:
| Ship weight (kg) | 0.72 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 11.61 |
| Ship width (cm) | 11.61 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Chain Size | Bushing Type | Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
10BTB38 | 192.24 mm | 38 | 31.75 mm | 91 mm | 50.8 mm | #10B-1 | 2012 Taper | Steel | €290.98 | |
![]() |
10BTB57 | 288.18 mm | 57 | 31.75 mm | 91 mm | 50.8 mm | #10B-1 | 2012 Taper | Steel | €383.31 | |
![]() |
10BTB12H | 61.34 mm | 12 | 22.23 mm | 49 mm | 25.4 mm | #10B-1 | 1008 Taper | Steel | €125.06 | |
![]() |
10BTB13H | 66.34 mm | 13 | 22.23 mm | 46 mm | 25.4 mm | #10B-1 | 1008 Taper | Steel | €126.75 | |
![]() |
10BTB15H | 76.35 mm | 15 | 25.4 mm | 63 mm | 31.75 mm | #10B-1 | 1210 Taper | Steel | €136.90 | |
![]() |
10BTB16H | 81.37 mm | 16 | 25.4 mm | 71 mm | 12.7 mm to 41.28 mm | 10B-1 | 1610 Taper Lock | Steel | €144.64 | |
![]() |
10BTB17H | 86.39 mm | 17 | 25.4 mm | 68 mm | 41.28 mm | #10B-1 | 1610 Taper | Steel | €154.98 |
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MARTIN SPROCKET 10BTB21H Sprocket, 10B-1 Chain, 21 Teeth, 106.510 mm Pitch Dia., 116.200 mm O.D., Steel
€205.33 /unit



