Crane Slewing Rings

Crane Slewing Rings


Slewing Bearings for Cranes

Because of the light structure of the crane, slewing ring bearing is an essential and strategic part. Our slewing rings are widely used in kinds of cranes, such as tower cranes, ship deck cranes, mobile cranes, railway cranes and so on.

The quality and the precision of our manufacturing is the key to ensure good running. The biggest size we supplied to the tower crane is near 5 meters diameter.

More standard model and structure please visit slewing bearing

Key points for slewing bearings for cranes

1, Material is the critical part for the slewing rings to keep them well working, the material we use is 42CrMo which has more stable structure.

2, Seals system, good seals design and material can keep the raceway from water and dust which is very needed for long time not good condition working.


Certificate for the slewing bearings for ship deck cranes

Some slewing bearings for ship deck crane may need certificate like DNV,GL or others. All the slewing rings supplied by us are under their standard and we can accept their inspection and supply the certificate.


Pinion and Bolts

We also supply the mating pinion and bolts for the slewing ring bearings.


Refurbishment of the slewing bearings

We supply the refurbishment of the large size slewing bearings in our factory. We also supply the technical service on ship if needed. 


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