51211,53211,53211U
Single direction thrust ball b | 2019-12-03 09:39
| Main dimensions | |||
| d | mm | ||
| D | 90 | mm | |
| T | 25 | mm | |
| T1 | 27.3 | mm | |
| T2 | 30 | mm | |
| r(minimum) | 1 | mm | |
| basic load rating | |||
| Ca | 69.4 | KN | |
| C0a | 159 | KN | |
| limit speed | |||
| Grease lubrication | 2100 | rpm | |
| oil lubrication | 3200 | rpm | |
| Nominal model | |||
| Flat seat type | 51211 | KN | |
| Self-aligning seat type | 53211 | KN | |
| With self-aligning washer | 53211U | KN | |
| size | |||
| d1 | 90 | mm | |
| D1 | 57 | mm | |
| D2 | 72 | mm | |
| D3 | 95 | mm | |
| A | mm | ||
| R | 72 | mm | |
| C | 9 | mm | |
| Installation related dimensions | |||
| da(minimum) | 51211 | mm | |
| Da（maximum） | 53211 | mm | |
| ra（maximum） | 53211U | mm | |
| reference quality | |||
| Flat seat type | 0.61 | kg | |
| Self-aligning seat type | 0.62 | kg | |
| With self-aligning washer | 0.77 | kg | |
