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Sprockets standard DIN 8187 duplex 3/4" x 7/16"
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| Application range | NOT suitable for chain ASA/DIN 8188 | |
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| Technical info |
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Product | Unit | Type | Chain size code | Number of teeth | Pitch diameter D1 | Outside diameter D2 | Teeth width | Total teeth width | Width B | Sections distance | Hub type | Hub diameter D3 | Bore diameter B0 | Bore | Material |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Each | Duplex | 12 B-2 | 8 | 49.78 mm | 58 mm | 10.8 mm | 30.3 mm | 45 mm | 19.46 mm | Hub one side | 31 mm | 12 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 9 | 55.7 mm | 63.9 mm | 10.8 mm | 30.3 mm | 45 mm | 19.46 mm | Hub one side | 37 mm | 12 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 10 | 61.64 mm | 69.8 mm | 10.8 mm | 30.3 mm | 45 mm | 19.46 mm | Hub one side | 42 mm | 12 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 11 | 67.61 mm | 75.8 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 47 mm | 16 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 12 | 73.6 mm | 81.8 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 53 mm | 16 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 13 | 79.59 mm | 87.8 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 59 mm | 16 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 14 | 85.61 mm | 93.8 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 65 mm | 16 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 15 | 91.63 mm | 99.8 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 71 mm | 16 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 16 | 97.65 mm | 105.8 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 77 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 17 | 103.67 mm | 111.9 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 83 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 18 | 109.71 mm | 117.9 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 89 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 19 | 115.75 mm | 123.9 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 95 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 20 | 121.78 mm | 130 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 100 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 21 | 127.82 mm | 136 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 100 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 22 | 133.86 mm | 142 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 100 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 23 | 139.9 mm | 148.1 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 110 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 24 | 145.94 mm | 154.1 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 110 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 25 | 152 mm | 160.2 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 26 | 158.04 mm | 166.2 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 27 | 164.09 mm | 172.3 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 28 | 170.13 mm | 178.3 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 30 | 182.25 mm | 190.4 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 32 | 194.35 mm | 202.5 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 35 | 212.52 mm | 220.7 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 20 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 36 | 218.58 mm | 226.8 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 25 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 38 | 230.69 mm | 238.9 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 25 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 40 | 242.81 mm | 251 mm | 10.8 mm | 30.3 mm | 50 mm | 19.46 mm | Hub one side | 120 mm | 25 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 45 | 273.1 mm | 283.2 mm | 10.8 mm | 30.3 mm | 62 mm | 19.46 mm | Hub one side | 136 mm | 25 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 57 | 345.81 mm | 355.9 mm | 10.8 mm | 30.3 mm | 62 mm | 19.46 mm | Hub one side | 136 mm | 25 mm | Yes | Steel C45 | |
| Each | Duplex | 12 B-2 | 76 | 460.99 mm | 471.1 mm | 10.8 mm | 30.3 mm | 63 mm | 19.46 mm | Hub one side | 145 mm | 30 mm | Yes | Steel C45 | |
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