coal mine slewing bearing
coal mine slewing bearing has three seat rings,which separate the upper,lower and radial raceways,
it made each row of the roller's load capacity can be specified and can bear different loads simultaneously.
The capacity load is the largest one compare with the other three models.Due to the large size in axial and
radial dimension the solid structure, it is specially suitable for the heavy duty machinery such as wheeled
excavator,wheeled crane, ship crane,ladle turrets and the heavy duty mobile crane etc.