Slewing Bearing for Construction Drilling kelly bar

Slewing ring bearing(slewing ring),is a bearing that able to bear a large axial load,radial and overturning torque.Slewing bearings are generally accompanied with installing holes,inner gear,outside gear,lubricating hole and sealing device,which enable mainframe structure compact in design,guide reliable,and easy to maintain.

Slewing bearings are combination structure including non-gear,outside gear and four point contact ball bearings,double angular contact ball bearings.cross-cylindrical roller bearing and three rows cylindrical roller bearings and so on.In which,four point contact ball bearings have higher static load capacity,while corss-cylindrical roller bearings have higher dynamic load capacity.

Slewing bearing widely used in lifting machinery.excavate machinery,construction machinery,port machinery,ships machinery,as well as precision radar launchers and large rotary devices such as missile launcher.

Product Details

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FAQ

1. Who are we?
   We are based in Beijing, China, start from 2009,sell to South Asia(30.00%),Domestic Market(20.00%),Southeast Asia(8.00%),South America(5.00%),Western Europe(5.00%),Mid East(5.00%),North America(5.00%),Central America(5.00%),Africa(5.00%),Oceania(5.00%),Eastern Asia(2.00%). There are total about 51-100 people in our office.
   
   2. How can we guarantee quality?
   Always a pre-production sample before mass production;
   Always final Inspection before shipment;
   
   3.What can you buy from us?
   Interlock Kelly Bar,friction kelly bar,drill bucket,casing,used bored piling rig
   
   4. Why should you buy from us not from other suppliers?
   Our company mainly produce the kelly bar,drill bucket, casing,used rig ,drill spare. we have the professional engineers and team, focusing on the manufacture of kelly bar, drill tools,casing series for 16 years, can satisfy different clients requirement.
   
   5. What services can we provide?
   Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,DDP,DDU,Express Delivery,DAF,DES；
   Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,CNY;
   Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal,Western Union,Cash,Escrow;
   Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian