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| Model | 31306 | 
| Iso355 standard | 7FB | 
| d | 30 mm | 
| od | 72 mm | 
| T | 20.75 mm | 
| cr | 58.3 kN | 
| cor | 50 kN | 
| Pu | 5.7 Pu | 
| reference speed | 7500 r/min | 
| limit speed | 9500 r/min | 
| weight | 0.39 kg | 
| d1 | 52.7 | |
| B | 19 | |
| C | 14 | |
| r1,2min | 1.5 | |
| r3,4min | 1.5 | |
| a | 22 | |
| damax | 40 | |
| dbmin | 38.5 | |
| Damin | 55 | |
| Damax | 65 | |
| Dbmin | 68 | |
| Camin | 3 | |
| Cbmin | 6.5 | |
| ramax | 1.5 | |
| rbmax | 1.5 | |
| e | 0.83 | |
| Y | 0.72 | |
| Y0 | 0.4 | 
If you have any questions, please contact us!
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