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Slewing Bearing For Excavator

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Company Profile

Dewin Group Limited

By certification [File Integrity]

Contact: dewen1(Mr.)  




Area: Shaanxi

Address: Shaanxi

Website: http://www.slewingsolution.com/ http://www.antentech.com/com/dewen1/

Product details

slewing bearing for excavator

Our Factory                                                      
DEWIN GROUP is a slewing bearings and drives manufacture , which located in Jiangyin, China. 

Working on provide completed Slewing Solution and excellent services for all customers .

The products are widely used in Heavy Equipment and and new Photovoltaic Files, such as all types of Crane ,Excavator , PV, CPV, STP solar tracking systems and construction applications including , manlifts, turntables, port machinery, modular vehicles, small wind power systems and satellite communications.

Product Introduction                                           
1. Defination 

1) Slewing Bearing is a kind of comprehensive load which can be withstand the larger axial and radial load and tilting moment.

2) Standard : JB/2300-1999 and JB/2300-2011

3) Application: Widely used in Marine equipment, engineering machinery, light industry, machinery, metallurgical machinery, medical machinery, industrial machinery and other industries

2. Basic structure 

Slewing bearing is consisted of worm, slewing bearing, shell, motor and other components.Because core part USES the rotary bearing, can also carry axial force and radial force and Titing moment.

1. From left to right ( upper part ) 

1) The outer ring (teeth or no teeth) 

2) The sealing tape 

3) Rolling body (ball or roller) 

4) Refueling mouth

2. From left to right ( down part )

1) Block 

2) Plug pin 

3) Inner ring (teeth or no teeth) 

4) The isolation piece or cage 

5) Mounting holes (silk hole or light)


1. Single Row Four point contact ball Slewing Bearing(01, HS, Q Series)

2. Single Row Crossed Roller Slewing Bearing(11, HJ Series)

3. Double Row Ball Slewing Bearing(02 Series)

4. Three Row Roller Slewing Bearing(13 Series)

5. Series Light Type

6. Series Flange Type

Light Tpye Slewing Bearings                    



Strengths:The Oil nipple's location can be change according to the user's application.

Main application: Crane, Excavator and some Heavry Indutrail equipments 


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.

1)Series Light Type---Non gear 

2)Series Light Type---External gear 

3)Series Light Type---Internal gear 

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