21311MB,21311MBK
Double-row spherical roller be | 2019-12-03 11:43
| Main dimensions | |||
| d | mm | ||
| D | 120 | mm | |
| B | 29 | mm | |
| r( minimum) | 2 | mm | |
| basic load rating | |||
| Cr | 158 | kN | |
| C0r | 191 | kN | |
| limit speed | |||
| Grease lubrication | 3300 | min-1 | |
| oil lubrication | 4500 | min-1 | |
| Nominal model | |||
| Cylindrical hole | 21311MB | ||
| Conical hole | 21311MBK | min-1 | |
| Installation related dimensions | |||
| da(minimum) | 65 | mm | |
| Da(maximum) | 110 | mm | |
| ra(maximum) | 2 | mm | |
| constant | |||
| e | 0.24 | ||
| Axial load factor | |||
| Y1 | 2.79 | mm | |
| Y2 | 4.16 | mm | |
| Y0 | 2.73 | mm | |
| reference quality | |||
| Cylindrical hole | 1.58 | kg | |
| Conical hole | 1.56 | kg | |
