MARTIN SPROCKET Duplex Taper Bushed Type Metric Roller Chain Sprockets, 12B-2 Chain Number
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| Style | Model | Material | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Chain Size | Bushing Type | Bore Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | D12CTB54 | High Carbon Steel | 327.63 mm | 54 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €1,043.35 | |
| B | D12CTB45 | High Carbon Steel | 273.09 mm | 45 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €862.73 | |
| C | D12BTB13 | High Carbon Steel | 79.6 mm | 13 | 38.1 mm | 59 mm | #12B-2 | 1215 Taper | 31.75 mm | €325.86 | |
| D | D12CTB96 | High Carbon Steel | 582.23 mm | 96 | 50.8 mm | 133 mm | #12B-2 | 3020 Taper | 76.2 mm | €2,286.21 | |
| C | D12BTB26 | High Carbon Steel | 158.04 mm | 26 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €503.64 | |
| C | D12BTB35 | High Carbon Steel | 212.52 mm | 35 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €660.24 | |
| E | D12CTB65 | High Carbon Steel | 394.3 mm | 65 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €1,234.53 | |
| F | D12CTB42 | High Carbon Steel | 254.92 mm | 42 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €831.07 | |
| C | D12BTB14 | High Carbon Steel | 85.61 mm | 14 | 38.1 mm | 63 mm | #12B-2 | 1215 Taper | 31.75 mm | €334.47 | |
| E | D12CTB84 | High Carbon Steel | 509.48 mm | 84 | 50.8 mm | 133 mm | #12B-2 | 3020 Taper | 76.2 mm | €1,844.66 | |
| E | D12CTB75 | High Carbon Steel | 454.92 mm | 75 | 50.8 mm | 133 mm | #12B-2 | 3020 Taper | 76.2 mm | €1,521.49 | |
| E | D12CTB70 | High Carbon Steel | 424.61 mm | 70 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €1,377.99 | |
| G | D12CTB76 | High Carbon Steel | 460.98 mm | 76 | 50.8 mm | 133 mm | #12B-2 | 3020 Taper | 76.2 mm | €1,550.17 | |
| E | D12CTB60 | High Carbon Steel | 363.99 mm | 60 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €1,091.04 | |
| H | D12CTB48 | High Carbon Steel | 291.27 mm | 48 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €993.91 | |
| I | D12CTB40 | High Carbon Steel | 242.8 mm | 40 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €786.79 | |
| J | D12BTB21 | High Carbon Steel | 127.82 mm | 21 | 44.45 mm | 109 mm | #12B-2 | 2517 Taper | 63.5 mm | €406.33 | |
| C | D12BTB32 | High Carbon Steel | 194.35 mm | 32 | 44.45 mm | 176 mm | #12B-2 | 2517 Taper | 63.5 mm | €610.08 | |
| C | D12BTB27 | High Carbon Steel | 164.09 mm | 27 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €581.97 | |
| C | D12BTB24 | High Carbon Steel | 145.95 mm | 24 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €450.03 | |
| K | D12BTB22 | High Carbon Steel | 133.86 mm | 22 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €420.97 | |
| L | D12BTB20 | High Carbon Steel | 121.78 mm | 20 | 44.45 mm | 100 mm | #12B-2 | 2517 Taper | 63.5 mm | €382.86 | |
| M | D12BTB19 | High Carbon Steel | 115.74 mm | 19 | 31.75 mm | 83 mm | #12B-2 | 2012 Taper | 50.8 mm | €377.91 | |
| M | D12BTB18 | High Carbon Steel | 109.7 mm | 18 | 31.75 mm | 90 mm | #12B-2 | 2012 Taper | 50.8 mm | €374.29 | |
| C | D12BTB17 | High Carbon Steel | 103.67 mm | 17 | 38.1 mm | 83 mm | #12B-2 | 1615 Taper | 41.28 mm | €366.52 | |
| C | D12BTB16 | High Carbon Steel | 97.65 mm | 16 | 38.1 mm | 77 mm | #12B-2 | 1615 Taper | 41.28 mm | €358.35 | |
| N | D12CTB57 | High Carbon Steel | 345.81 mm | 57 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €1,103.58 | |
| O | D12CTB38 | High Carbon Steel | 230.69 mm | 38 | 44.45 mm | 152 mm | #12B-2 | 2517 Taper | 63.5 mm | €742.71 | |
| C | D12BTB30 | High Carbon Steel | 182.25 mm | 30 | 44.45 mm | 164 mm | #12B-2 | 2517 Taper | 63.5 mm | €660.06 | |
| C | D12BTB25 | High Carbon Steel | 151.99 mm | 25 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €464.46 | |
| C | D12BTB23 | High Carbon Steel | 139.9 mm | 23 | 44.45 mm | 108 mm | #12B-2 | 2517 Taper | 63.5 mm | €435.40 | |
| C | D12BTB15 | Steel | 91.63 mm | 15 | 38.1 mm | 72.09 mm | 12B-2 | 1615 Taper Lock | - | €343.08 |
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