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PC700LC-8 Swing Gear Turning Bearing

Three Row Roller Slewing Bearing(13 Series)-- External Gear
Characteristic of structure, performance and application
The three row roller slewing bearing has three seat rings, which separate the upper, lower and radial raceways, it made each row
of the roller’s load capacity can be specified and can bear different loads simultaneously. The capacity load is the largest one
compare with the other three models. Due to the large size in axial and radial dimension & the solid structure, it is specially
suitable for the heavy duty machinery such as wheeled excavator, wheeled crane, ship crane, ladle turrets and the heavy duty
mobile crane etc.
  • 132.40.1400


Details Images
Applicable Industries
Shipping Port Machinery
Brand Name
Model Number
Four Point Contact
Gear Options
External Gear
Place of Origin
Jiangsu, China
Bearing type
Single Row Four Point
Shipping Port Machinery
Wooden Box

How to ensure quality of slewing bearing for komatsu excavator PC700LC-8

–advanced design

From the beginning of design stage, we make a modeling to design slewing bearing for komatsu excavator PC70-8 by advanced design software, then use method of finite element analysis to verify the results, and to adjust of design results, finally it will be meet the customers’ demands.

–advanced equipment

Base on advanced equipment to ensure product quality, we possess advance processing equipment for key production process, for example, CNC machining center, CNC heat treatment equipment …etc.

–reliable raw materials

The most important part of ensuring the product quality is raw materials manufacturing, therefore we choose the reliable raw materials to use for element of slewing bearing for komatsu excavator PC70-8, such as bearing ring and ball and roller etc, we could provide customers slewing bearing and related product with third party classification societies certification according to EN10204 3.2 / 3.1 certificate.

–perfect management system

We established perfect management system so as to ensure product quality, we passed to certificate ISO9001 quality management system as well as obtain ISO9001 certification, and carry out quality manufacture system strictly for whole process of production from beginning to the end

–perfect testing method

We organized a professional and strong testing and inspecting team with advanced test equipment by perfect testing method to guarantee product quality, and set up special testing machine and test bed for special slewing bearing.

Specification of slewing bearing for komatsu excavator PC70-8


  1. )  42CrMo4 for inner ring and outer ring of slewing bearing

Tooth surface :

Tooth surface is hardened

Inspection :

Each element (parts of slewing bearing)has been tested by NDT ( Nondestructive Testing )

Contact us:

Mob / Whatsapp / Wechat : + 86 180 86790390

Tel : +86 180 86790390

Email : tinaxzhelin@gmail.com

If any inquiry , kindly let us know ! many thanks .

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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