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| Model | 7311BECBY | 
| d | 55 mm | 
| od | 120 mm | 
| B | 29 mm | 
| cr | 90 kN | 
| cor | 65.5 kN | 
| Pu | 2.75 Pu | 
| reference speed | 7000 r/min | 
| limit speed | 7000 r/min | 
| weight | 1.4 kg | 
| d1 | 80.3 | |
| d2 | 66.6 | |
| D1、D2 | 96.6 | |
| D5 | – | |
| r1,2 minimum value | 2 | |
| r3,4 minimum value | 1 | |
| a | 51 | |
| da minimum value | 66 | |
| da max | – | |
| Da max | 109 | |
| Db max | 114 | |
| ra max | 2 | |
| rb max | 1 | |
| A | 0.0627 | |
| kr | 0.1 | 
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