Wafangdian Bearing Group Corp., Ltd. (ZWZ)
Company Profile & Product Portfolio
1. Company Overview
Wafangdian Bearing Group Corporation (ZWZ) is one of the oldest and largest bearing manufacturers in China. The company was founded in 1938 in Wafangdian, Liaoning Province, which is known as the birthplace of the Chinese bearing industry.
Over more than eight decades of development, ZWZ has grown into a globally recognized bearing manufacturer with strong engineering capabilities and extensive production capacity. The company operates 9 manufacturing bases, 10 business divisions, and more than 26 subsidiaries worldwide, employing thousands of workers and serving industrial customers globally.
ZWZ owns two major bearing brands:
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ZWZ
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KRW (Germany)
The company manufactures bearings according to international standards and produces over 20,000 different bearing specifications, covering inner diameters from 20 mm to as large as 16 meters, making it capable of supplying both small precision bearings and ultra-large industrial bearings.
ZWZ products are widely used in industries such as:
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Railway transportation
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Automotive manufacturing
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Wind power generation
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Metallurgical equipment
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Mining machinery
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Industrial machinery
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Construction equipment
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Precision machine tools
The company has established advanced R&D facilities including a National Large-Scale Bearing Engineering Technology Research Center, a National Enterprise Technology Center, and overseas research centers in Europe and the United States.
2. Mission and Vision
Mission
To develop high-performance bearing solutions that enhance the reliability, efficiency, and durability of industrial equipment worldwide.
Vision
To become a global leader in advanced bearing technology and intelligent mechanical transmission solutions.
Core Values
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Technological innovation
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Quality first manufacturing
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Customer-oriented solutions
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Sustainable industrial development
3. Product Portfolio
ZWZ manufactures a wide range of bearing products used in heavy machinery, transportation systems, and precision industrial equipment.
Main product categories include:
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Radial Bearings
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Thrust Bearings
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Slewing Bearings
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Joint Bearings
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Bearing Accessories
4. Radial Bearings
Radial bearings support loads perpendicular to the shaft axis and are widely used in rotating machinery.
4.1 Deep Groove Ball Bearings
Deep groove ball bearings are the most widely used bearing type due to their simple structure and high speed capability.
Typical model series:
6000 Series
6200 Series
6300 Series
6400 Series
Applications include:
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Electric motors
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Pumps
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Household appliances
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Automotive systems
4.2 Angular Contact Ball Bearings
These bearings are designed to support combined radial and axial loads.
Typical model series:
7000 Series
7200 Series
7300 Series
Applications include:
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Machine tool spindles
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High-speed gearboxes
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Precision machinery
4.3 Self-Aligning Ball Bearings
These bearings can automatically adjust to shaft misalignment.
Typical model series:
1200 Series
1300 Series
2200 Series
Applications include:
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Agricultural machinery
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Textile machines
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Conveyor systems
5. Radial Roller Bearings
Roller bearings are designed to support heavier loads than ball bearings.
5.1 Cylindrical Roller Bearings
Typical series:
NU Series
NJ Series
NUP Series
N Series
Applications:
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Steel mills
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Electric motors
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Gearboxes
5.2 Tapered Roller Bearings
These bearings support both radial and axial loads simultaneously.
Typical series:
30200 Series
30300 Series
32200 Series
32300 Series
Applications:
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Automotive wheel hubs
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Heavy trucks
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Construction equipment
5.3 Spherical Roller Bearings
Spherical roller bearings are designed for heavy loads and misalignment.
Typical series:
22200 Series
22300 Series
23000 Series
24000 Series
Applications:
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Mining machinery
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Cement plants
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Paper mills
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Crushers
6. Thrust Bearings
Thrust bearings are designed to support axial loads.
Thrust Ball Bearings
Typical models:
51100 Series
51200 Series
51300 Series
Applications:
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Vertical shafts
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Machine tools
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Pumps
Thrust Roller Bearings
Types include:
Cylindrical Roller Thrust Bearings
Tapered Roller Thrust Bearings
Spherical Roller Thrust Bearings
Applications:
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Heavy industrial gearboxes
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Marine propulsion systems
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Steel production equipment
7. Slewing Bearings
Slewing bearings are large-diameter bearings used in heavy rotating machinery.
Types include:
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Four-Point Contact Slewing Bearings
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Double Row Angular Contact Slewing Bearings
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Crossed Roller Slewing Bearings
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Triple Row Cylindrical Roller Slewing Bearings
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External-Toothed Multi-Row Slewing Bearings
Applications include:
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Tower cranes
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Excavators
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Wind turbines
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Offshore equipment
8. Joint Bearings
Joint bearings (spherical plain bearings) are used in oscillating or tilting applications.
Typical types:
GE Series
GX Series
Applications include:
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Hydraulic cylinders
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Engineering machinery
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Automotive suspension systems
9. Bearing Accessories
ZWZ also produces bearing accessories including:
Adapter Sleeves
Withdrawal Sleeves
Lock Nuts
Bearing Housings
These components help ensure correct installation and maintenance of bearing systems.
10. Industry Applications
ZWZ bearings are widely used across numerous industries:
Automotive Industry
Wheel hub bearings, transmission bearings, engine bearings.
Railway Industry
High-speed rail axle bearings and locomotive bearings.
Wind Power Industry
Main shaft bearings, gearbox bearings, yaw and pitch bearings.
Metallurgical Industry
Steel mill rolling bearings and high-temperature bearings.
Construction Machinery
Excavator bearings, crane bearings, and heavy equipment bearings.
Precision Machinery
Machine tool spindle bearings and industrial automation equipment.
11. Global Market
ZWZ bearings are exported to more than 80 countries and regions worldwide and serve thousands of industrial customers across multiple sectors.
The company maintains a global sales network and continues to expand its international distribution channels to better serve global markets.
12. Future Development
With the rapid development of modern industry and renewable energy sectors, ZWZ continues to invest heavily in:
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high-precision bearing technology
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large-diameter bearing manufacturing
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intelligent manufacturing systems
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advanced materials and lubrication technology
The company aims to strengthen its position as a global supplier of high-performance bearing solutions.
ZWZ Bearing
ZWZ Bearing TYPE: 352034X2
