factory OEM 31-20 1250/2-06700 machine tools thriple row roller bearing turntable swing circle gear ring
| Bearing No. | 31-20 1250/2-06700 |
| Bearing structure | external gear three row roller slewing bearing |
| Bearing material | 42CrMo/50Mn/C45 |
| Bearing ID | 1103mm |
| Bearing OD | 1461.6mm |
| Bearing warranty | 1 year |
| Service | OEM |
| Application | construction equipment, automation machine,industry equipments. |
Operating conditions
Permissible temperature range -25°C to +70°C
Maximum permissible rotational speed nperm = 20000 / DL
(DL = raceway diameter)
“Compressive” load Bolt grade 10.9
Typical applications
Heavy harbour cranes, shipboard cranes, ladle turrets and grab cranes, radar antennas, wind energy turbine main bearings, tunnel boring machines and loading buoys (oil, gas swivels), machine tools (in general where the application requires high duty cycles).
Characteristics
• High precision
• Highest axial load capacity
• Especially high tilting moment load capacity
• High rigidity
• Long service life
The products we manufacture are as follows:
1.Single row four point contact slewing bearing
2.double row ball bearing
3.three row roller bearing
4.cross roller slewing bearing
Any interests or inquiry, please feel free to contact us.
