  +86-180 8679 0390       info@helin-bearing.com
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High Quality Heavy Duty Marine Crane Rotate Slewing Rings

.The seamless induction hardening technology for the bearing raceway surface is used.
HELIN bearing solutions have been impressing customers throughout the world with their excellent technology and high quality. HELIN can provide the various kinds of slewing bearings from the size 100mm to 4000mm . We are equipped with advanced production equipments and testing instruments. We have advanced seamless induction hardening machine worldwide.
. We have many years' experience of design and manufacturing the direct drive windturbine generator three row cylindrical roller main bearing which is another core product.
.Slewing bearings for various kinds of application, such as ship deck crane, stacker and reclaimer,crawler crane, ferris wheel, level luffing crane, floating crane ect.
  • HS


  • HS-Non Gear

Characteristic of structure, performance and application

The single row four point contact ball slewing bearing is composed of two seat rings, which design in compact structure and light weight, steel ball contact with the circular raceway at four point, it can bear the axial force, radial force and the tilting moment at the same time.

It can be used for slewing conveyer, welding manipulator, light & medium duty crane, excavator, and other construction machinery.


1. Fast: Be good at adapting, simple organization, high working efficiency,  be creative and accept all kinds of customization.

2. Flexible: streamlined personnel, short communication path, and problems can be solved quickly , perfect after -sales services .

3. Efficient: employees have higher comprehensive ability, high work efficiency, high output, good quanlity and short product delivery time.


1,Helin slewing bearing is located in Xuzhou, a very famous Construction Machinery Base, and has its own stable, technically sound design, development, and manufacturing team.

2. The physical factory has a strong R&D team, and production equipment is advanced, production equipment is continuously increased and updated, and there are molding batch production lines with clear division of labor and high production efficiency. (Standard models with raw material in stock , delivery time within 7 days . )

3. The slewing bearing is exported to more than 30 countries, which obtain high praise and recognition from customers all over the world .And our engineer can come to your country to do measurements . 

Mob/ Whatsapp / Wechat : + 86- 180 8679 0390 

Tel : + 86 -516- 8788 0390

Email : info@helin-bearing.com


Please do not hesitate to reach our to us if you have any further questions. 


Product Inquiry
+86-516-8788 0390
+86 180 8679 0390
Opening hours:
Mon. - Fri. 8:30 - 18:00
We are Xuzhou Helin Slewing Bearing Co.,Ltd Slewing bearing factory in Xuzhou city . Our slewing bearing size from 100 mm - 5000 mm with standard and non- standard models . Good product quality, short delivery time, suitable price, high cost performance . welcome to contact us . 
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