three-row roller slewing ring has 3 seat-rings, Upper Orbit, Nether Orbit and Radial Orbit are separated individually, it makes the load of each row of the rollers can be /confirm/ied, so it can undertake all kinds of different load simultaneously and it's Carrying Capacity is the biggest among four models,one more thing,the axial&radial size are rather large to some extent and the structure is very firm,so it is especially suitable for many heavy-duty machines which require bigger diameter,such as,Bucket-Wheel Excavator,wheeled Crane,Shipyard Crane,heavy-duty Truck Crane,and so on.
It is especially suitable for many heavy-duty machines which require bigger diameter,such as,Bucket-Wheel Excavator,wheeled Crane,Shipyard Crane,heavy-duty Truck Crane,and so on.