51209,53209,53209U
Single direction thrust ball b | 2019-12-03 09:39
| Main dimensions | |||
| d | mm | ||
| D | 73 | mm | |
| T | 20 | mm | |
| T1 | 21.3 | mm | |
| T2 | 24 | mm | |
| r(minimum) | 1 | mm | |
| basic load rating | |||
| Ca | 47.7 | KN | |
| C0a | 105 | KN | |
| limit speed | |||
| Grease lubrication | 2600 | rpm | |
| oil lubrication | 4000 | rpm | |
| Nominal model | |||
| Flat seat type | 51209 | KN | |
| Self-aligning seat type | 53209 | KN | |
| With self-aligning washer | 53209U | KN | |
| size | |||
| d1 | 73 | mm | |
| D1 | 47 | mm | |
| D2 | 60 | mm | |
| D3 | 78 | mm | |
| A | mm | ||
| R | 56 | mm | |
| C | 7.5 | mm | |
| Installation related dimensions | |||
| da(minimum) | 51209 | mm | |
| Da（maximum） | 53209 | mm | |
| ra（maximum） | 53209U | mm | |
| reference quality | |||
| Flat seat type | 0.32 | kg | |
| Self-aligning seat type | 0.31 | kg | |
| With self-aligning washer | 0.397 | kg | |
