Because of the light structure of the crane, the ZZ slewing ring is an essential and strategic part. Our design matches perfectly the life time required by the customer. The quality and the precision of our manufacturing is the key to ensure good running after many cranes dismantling. In this application the ZZ slewing ring helps construct buildings everyday all around the world with total security.

Large diameters and thin sections are the main characteristics of this application. These particular bearings require strict process control. The ZZ slewing rings are very well-known in the world to accept the highest rotating speed and to control the temperature during working 24 hours a day. Our quality gives a very low level of maintenance. The ZZ slewing rings manufacture millions of bottles all around the world everyday.