90 3R40 3658 1944 three row cylindrical roller slewing ring large size slew bearing

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