Manufacture slewing bearings depend on some standard Crane used on Vessel  Crane, Vessel  Crane, Construction Crane so on,

we can supply according to the most of the machine number, and a lot of slewing rings are in stock for the quick delivery. As below detailed model list : 

Remark:

a. The detailed drawing will be provided .

b. The holes depend on Oil cup M8×1JB/T7940.1~JB/T7940.

c. ""Km"" is addendum reduction; m: module; z: teeth nos.

Manufacturing top quality and reliable performance crane slewing bearing in China, DEWIN is one of the well-known crane slewing bearing manufacturers. We have professional factory at your service, you can rest assured to order products with our supplier.