21305MB,21305MBK
Double-row spherical roller be | 2019-12-03 11:43
| Main dimensions | |||
| d | mm | ||
| D | 62 | mm | |
| B | 17 | mm | |
| r( minimum) | 1.1 | mm | |
| basic load rating | |||
| Cr | 44.1 | kN | |
| C0r | 42.8 | kN | |
| limit speed | |||
| Grease lubrication | 6600 | min-1 | |
| oil lubrication | 8800 | min-1 | |
| Nominal model | |||
| Cylindrical hole | 21305MB | ||
| Conical hole | 21305MBK | min-1 | |
| Installation related dimensions | |||
| da(minimum) | 32 | mm | |
| Da(maximum) | 55 | mm | |
| ra(maximum) | 1 | mm | |
| constant | |||
| e | 0.3 | ||
| Axial load factor | |||
| Y1 | 2.25 | mm | |
| Y2 | 3.34 | mm | |
| Y0 | 2.2 | mm | |
| reference quality | |||
| Cylindrical hole | 0.26 | kg | |
| Conical hole | 0.255 | kg | |
