21312MB,21312MBK
Double-row spherical roller be | 2019-12-03 11:43
| Main dimensions | |||
| d | mm | ||
| D | 130 | mm | |
| B | 31 | mm | |
| r( minimum) | 2.1 | mm | |
| basic load rating | |||
| Cr | 173 | kN | |
| C0r | 204 | kN | |
| limit speed | |||
| Grease lubrication | 3100 | min-1 | |
| oil lubrication | 4100 | min-1 | |
| Nominal model | |||
| Cylindrical hole | 21312MB | ||
| Conical hole | 21312MBK | min-1 | |
| Installation related dimensions | |||
| da(minimum) | 72 | mm | |
| Da(maximum) | 118 | mm | |
| ra(maximum) | 2 | mm | |
| constant | |||
| e | 0.24 | ||
| Axial load factor | |||
| Y1 | 2.82 | mm | |
| Y2 | 4.2 | mm | |
| Y0 | 2.76 | mm | |
| reference quality | |||
| Cylindrical hole | 1.96 | kg | |
| Conical hole | 1.93 | kg | |
