51248,53248,53248U
Single direction thrust ball b | 2019-12-03 09:40
| Main dimensions | |||
| d | mm | ||
| D | 340 | mm | |
| T | 78 | mm | |
| T1 | 81.6 | mm | |
| T2 | 92 | mm | |
| r(minimum) | 2.1 | mm | |
| basic load rating | |||
| Ca | 442 | KN | |
| C0a | 1800 | KN | |
| limit speed | |||
| Grease lubrication | 520 | rpm | |
| oil lubrication | 800 | rpm | |
| Nominal model | |||
| Flat seat type | 51248 | KN | |
| Self-aligning seat type | 53248 | KN | |
| With self-aligning washer | 53248U | KN | |
| size | |||
| d1 | 335 | mm | |
| D1 | 244 | mm | |
| D2 | 290 | mm | |
| D3 | 350 | mm | |
| A | mm | ||
| R | 250 | mm | |
| C | 30 | mm | |
| Installation related dimensions | |||
| da(minimum) | 51248 | mm | |
| Da（maximum） | 53248 | mm | |
| ra（maximum） | 53248U | mm | |
| reference quality | |||
| Flat seat type | 23.1 | kg | |
| Self-aligning seat type | 20.9 | kg | |
| With self-aligning washer | 25.6 | kg | |
