51256,53256,53256U
Single direction thrust ball b | 2019-12-03 09:40
| Main dimensions | |||
| d | mm | ||
| D | 380 | mm | |
| T | 80 | mm | |
| T1 | 85 | mm | |
| T2 | 94 | mm | |
| r(minimum) | 2.1 | mm | |
| basic load rating | |||
| Ca | 450 | KN | |
| C0a | 1950 | KN | |
| limit speed | |||
| Grease lubrication | 470 | rpm | |
| oil lubrication | 720 | rpm | |
| Nominal model | |||
| Flat seat type | 51256 | KN | |
| Self-aligning seat type | 53256 | KN | |
| With self-aligning washer | 53256U | KN | |
| size | |||
| d1 | 375 | mm | |
| D1 | 284 | mm | |
| D2 | 325 | mm | |
| D3 | 390 | mm | |
| A | mm | ||
| R | 280 | mm | |
| C | 31 | mm | |
| Installation related dimensions | |||
| da(minimum) | 51256 | mm | |
| Da（maximum） | 53256 | mm | |
| ra（maximum） | 53256U | mm | |
| reference quality | |||
| Flat seat type | 27 | kg | |
| Self-aligning seat type | 26.2 | kg | |
| With self-aligning washer | 32.3 | kg | |
