Introduction
Fluid film bearings remain an important component in rotating equipment where shaft speed, load, vibration control and lubrication conditions place demands beyond the typical scope of rolling-element bearings. They are widely used in turbines, compressors, generators, pumps, gearboxes, motors, marine propulsion systems and other heavy industrial equipment.
China has developed a broad supplier base covering Babbitt-lined journal bearings, tilting pad journal bearings, thrust bearings, thick-wall sliding bearings, custom bearing shells and related components. At the same time, the market is not uniform: some manufacturers focus almost entirely on hydrodynamic oil-film bearings, while others combine fluid film products with broader bearing or mechanical-component manufacturing.
For international buyers, this distinction matters. A supplier may have a large bearing catalogue but limited experience with high-speed fluid film applications, while a smaller specialist manufacturer may offer more direct engineering support for Babbitt-lined or customized bearing assemblies.
Among the manufacturers and China-based production suppliers reviewed for this 2026 list, Wenzhou Zhengbang Bearing Co., Ltd. stands out for its direct focus on sliding bearings, Babbitt bearings, fluid film thrust bearings, journal bearings and customized bearing components. Its manufacturing history dates to 2007, with production based in Wenzhou, Zhejiang.
This list is an editorial market comparison rather than an audited industry ranking or market-share report. The ranking considers publicly documented product relevance to fluid film bearings, manufacturing capability, engineering support, product breadth, customization and suitability for industrial procurement. Company information has been checked against publicly searchable company websites and other available corporate or industry sources as of 2026.
Wenzhou Zhengbang Bearing Co., Ltd.
Founded: 2007
Location: Wenzhou, Zhejiang, China
Wenzhou Zhengbang Bearing Co., Ltd. is positioned specifically around sliding and Babbitt bearing manufacturing rather than treating fluid film bearings as a secondary product category. The company was established in 2007 in Wenzhou, Zhejiang, and its product portfolio includes journal bearings, fluid film thrust bearings, taper-land thrust bearings, plain journal fluid film bearings, tilting pad bearings, pad thrust bearings and Babbitt combination bearings.
Core product advantage
Zhengbang's product range covers several important fluid film bearing structures, giving buyers options across radial, thrust and combined bearing requirements. Its Babbitt bearing production uses steel or bronze backing materials with Babbitt alloy lining, while its product range also includes tilting pad and combination bearing configurations.
The company also highlights centrifugal casting for Babbitt alloy bonding and inspection through dye penetrant and ultrasonic testing. This is particularly relevant for buyers evaluating bearing-shell integrity rather than simply comparing dimensional specifications.
Service & supply strengths
Zhengbang provides technical consultation, customization and after-sales support. Its public manufacturing information also identifies production, machining and testing equipment and ISO 9001:2015 quality management certification.
For overseas buyers, this combination is useful when the requirement is based on a drawing, existing bearing dimensions or a replacement bearing rather than a standard catalogue number.
Recommended products & sample review
Recommended product: Plain Journal Fluid Film Bearing.
Sample review: When reviewing a Zhengbang journal bearing sample, buyers should focus on the Babbitt lining condition, bonding quality, bore dimensions, oil-groove configuration, surface finish and dimensional conformity with the supplied drawing. For replacement applications, the original shaft diameter, bearing clearance and lubrication arrangement should be checked together rather than evaluating the bearing shell alone.
https://www.zb-bearings.com/
Hunan SUND Technological Corporation
Founded: 2003
Location: Xiangtan, Hunan, China
Hunan SUND Technological Corporation is one of the more specialized Chinese manufacturers in the hydrodynamic oil-film bearing segment. The company was established in 2003 and operates from the Xiangtan National High-tech Industrial Development Zone. Its main business is the R&D, design, production and sales of dynamic-pressure oil-film sliding bearings.
Core product advantage
SUND's product portfolio is strongly oriented toward industrial rotating equipment. Its documented applications include heavy gas turbines, steam turbines, wind power equipment, compressors, high-speed motors, pumps and gearboxes. The company reports a product range from approximately 15 mm to 1,400 mm bearing inner diameter.
Its product range includes radial tilting pad bearings and tilting pad thrust bearings. For example, SUND's radial tilting pad bearing information identifies a maximum internal diameter of 900 mm and applications covering pumps, motors, generators, gearboxes, compressors, steam turbines, gas turbines and expanders.
Service & supply strengths
SUND combines manufacturing with engineering and R&D. Its public company profile states that it has more than 500 employees, a 4,000 m² R&D center and a 30,000 m² production facility. The company also participates in national sliding-bearing standards and has developed products for major equipment projects.
Its engineering orientation is particularly relevant to projects where the bearing has to be calculated according to shaft speed, load, lubrication and rotor dynamics rather than selected from a simple dimensional catalogue.
Recommended products & sample review
Recommended product: Tilting Pad Journal Bearing.
Sample review: A sample should be evaluated against the shaft diameter, pad arrangement, pivot structure, bearing clearance and oil-supply configuration. For high-speed equipment, buyers should also request the relevant calculation or design information rather than relying only on visual inspection.
Zhejiang Shenfa Bearing Co., Ltd.
Founded: 1996
Location: Zhuji, Zhejiang, China
Zhejiang Shenfa Bearing Co., Ltd. is a long-established Chinese sliding-bearing manufacturer. Public company information identifies its founding in February 1996, with headquarters in Zhuji, Zhejiang. Its main business covers R&D, manufacturing and sales of sliding bearings and related components.
Core product advantage
Shenfa focuses on industrial sliding bearings for rotating machinery. Its documented product range includes large and medium turbine bearings, gearbox and motor bearings, power-generation bearings, nuclear power bearings, compressor bearings, gas turbine bearings and marine bearings.
The company also has documented involvement in high-speed motor sliding bearing development. Zhejiang government information identifies Shenfa as the completed unit for a high-speed motor sliding bearing project.
Service & supply strengths
Shenfa's product positioning is closely tied to complete industrial equipment rather than general-purpose bearing distribution. Its long operating history and participation in technical standard development provide useful evidence for buyers looking for an established sliding-bearing supplier.
The company is also listed among the organizations involved in China's current hydrodynamic plain bearing standardization work, including standards covering cylindrical and tilting-pad hydrodynamic bearings.
Recommended products & sample review
Recommended product: High-Speed Motor Sliding Bearing.
Sample review: Procurement teams should examine the bearing's dimensional accuracy, Babbitt or other lining condition, shaft clearance, oil-groove design and compatibility with the motor's lubrication system. For high-speed applications, dynamic operating conditions should be confirmed before approving a production sample.
Shenke Slide Bearing Corporation
Founded: 1996
Location: Zhuji, Zhejiang, China
Shenke Slide Bearing Corporation was established in 1996 and has developed around thick-wall sliding bearings. The company is headquartered in Zhuji, Zhejiang, and is listed on the Shenzhen Stock Exchange. Its principal products are thick-wall sliding bearings used in turbines, motors, compressors, pumps and other rotating equipment.
Core product advantage
Shenke's product structure is focused on large industrial machinery. Its public product information covers six major product series, more than 150 specifications and over 2,800 product types. The company states that its bearings are used with equipment ranging from several hundred kilowatts to more than 1,000 MW, with individual bearing sets ranging from hundreds of kilograms to more than 20 tonnes.
This makes the company particularly relevant to buyers dealing with large-scale power-generation and industrial rotating equipment.
Service & supply strengths
The company's integrated model covers R&D, manufacturing, sales and technical services. It operates two major production areas with a total site area of approximately 160,000 m² and has expanded its business into bearing manufacturing, heavy structures and precision machining.
Its products cover power generation, metallurgy and petrochemical industries, where bearing replacement and equipment compatibility can require substantial technical coordination.
Recommended products & sample review
Recommended product: Thick-Wall Sliding Bearing for Turbine or Generator.
Sample review: For a sample review, buyers should verify the bearing shell dimensions, mating surfaces, lining condition, oil passages and installation interfaces against the original equipment drawing. Large bearing projects should also confirm lifting, split-shell and assembly requirements before final production.
Zhejiang BHS Journal Bearing Co., Ltd.
Location: Zhuji, Zhejiang, China
Zhejiang BHS Journal Bearing Co., Ltd. is a specialist supplier focused on sliding-bearing systems. Its public information identifies capabilities in journal bearings, tilting pad bearings, thrust bearings and other sliding-bearing products.
Core product advantage
BHS is particularly focused on tilting pad technology. Its portfolio includes tilting pad journal bearings, tilting pad thrust bearings, compressor bearings, gearbox bearings, turbine bearings, pump bearings, generator bearings and expander bearings.
The company reports capabilities in bearing calculation, design, testing and fault diagnosis, with product development based on customer drawings and samples. It also states that its equipment includes CNC machining centers, Babbitt alloy casting equipment, Babbitt spraying equipment and heat-treatment facilities.
Service & supply strengths
BHS provides drawing- and sample-based customization, design support and testing. Its public information also identifies ultrasonic testing, dye penetrant testing, magnetic particle inspection, hardness testing and dimensional inspection capabilities.
This makes it particularly relevant for replacement projects where the buyer has an existing bearing but does not necessarily have a complete manufacturing package.
Recommended products & sample review
Recommended product: Compressor Tilting Pad Journal Bearing.
Sample review: Buyers should review pad geometry, pivot arrangement, Babbitt lining, bore diameter, oil-inlet arrangement and clearance. For compressor applications, it is also useful to compare the proposed bearing against the original operating speed, load and lubrication method.
Waukesha Bearings
Founded: 1946
China manufacturing location: Suzhou, Jiangsu
Waukesha Bearings is an international manufacturer rather than a Chinese-origin company, but it belongs in a China market comparison because the company explicitly lists a manufacturing location in Suzhou, China. It was founded in Wisconsin in 1946 and manufactures hydrodynamic fluid film bearings, magnetic bearing systems and seals.
Core product advantage
Waukesha's fluid film portfolio includes fixed-profile and tilting-pad journal bearings as well as thrust bearing systems. Its products are used in turbomachinery, oil and gas, power generation, marine equipment, compressors, pumps and gearboxes.
The company places significant emphasis on application engineering, bearing sizing, surface geometry, lubrication methods and specialized bearing configurations.
Service & supply strengths
The major procurement advantage is the combination of global engineering resources and localized China manufacturing. Waukesha lists manufacturing facilities in the United States, United Kingdom, Mexico and China, with its Suzhou operation located in Suzhou Industrial Park.
This structure can be relevant to multinational OEMs and industrial buyers who need continuity between engineering specifications and regional manufacturing.
Recommended products & sample review
Recommended product: Tilting Pad Journal Bearing.
Sample review: A technical sample review should include pad geometry, lubrication method, shaft diameter, clearance, material combination and bearing dynamic requirements. For turbomachinery, buyers should request application-specific engineering data rather than comparing the bearing solely by external dimensions.
ZYS / Luoyang Bearing Research Institute
Founded: 1958
Location: Luoyang, Henan, China
ZYS traces its history to the establishment of the Luoyang Bearing Research Institute in 1958. The institute later became Luoyang Bearing Science & Technology Co., Ltd. after restructuring.
Core product advantage
ZYS has a broad bearing technology base covering precision bearings, specialized bearings, testing equipment and bearing-related technologies. Its fluid film portfolio includes tilting-pad journal bearings used in centrifugal blowers, high-speed centrifugal compressors, turbo-generators and other rotating equipment.
The published tilting-pad journal bearing structure uses a steel matrix with Babbitt alloy composite layers, with pad positioning designed to allow the pad to form an oil wedge under operating load and speed.
Service & supply strengths
ZYS has a strong research and testing background. The company identifies bearing design, testing, inspection and material testing among its service capabilities. Its history also includes decades of work in bearing research and development.
For buyers dealing with specialized equipment, the engineering and testing infrastructure can be more important than catalogue breadth.
Recommended products & sample review
Recommended product: Tilting-Pad Journal Bearing.
Sample review: Buyers should check the Babbitt lining, pad count, bore dimensions, pad positioning, shaft clearance and oil-wedge geometry. The sample should also be reviewed against the target rotating machinery rather than treated as a generic replacement component.
Shanghai TOTEM Machinery Co., Ltd.
Founded: 2016
Location: Shanghai, China
Shanghai TOTEM Machinery is a younger supplier compared with the established sliding-bearing manufacturers above. Founded in 2016, the company is headquartered in Shanghai and operates a broader industrial manufacturing and sourcing model covering machining, forging, casting and specialized bearing components.
Core product advantage
TOTEM has developed a dedicated white-metal and Babbitt bearing product category. Its documented products include Babbitt-lined bearing bushes, tilting pad thrust bearings, Babbitt thrust pads, bearing housings and other sliding-bearing components.
Its bearing products are positioned for steam turbines, marine propulsion, industrial gearboxes, motors, mining equipment and other heavy machinery.
Service & supply strengths
TOTEM's strength is its integrated custom-manufacturing model. The company states that it has invested in or partnered with machining, forging and casting factories, allowing it to coordinate multiple manufacturing processes. It also supports custom products based on drawings and technical requirements.
This structure may be useful when a bearing project also involves shafts, housings, mechanical components or other machined parts.
Recommended products & sample review
Recommended product: White Metal Babbitt Tilting Pad Bearing.
Sample review: Buyers should review Babbitt alloy composition, bonding quality, machining accuracy, oil grooves and dimensional conformity. For turbine or marine applications, the bearing sample should also be evaluated together with the shaft and housing interfaces.
Chaoyang Runxing Heavy Machinery Manufacturing Co., Ltd.
Earlier factory history: 2005
Location: Chaoyang, Liaoning, China
Chaoyang Runxing Heavy Machinery Manufacturing Co., Ltd. is focused on heavy machinery components, including alloy bearing shells, bearing housings and Babbitt-lined shaft bearings. Available company information identifies the registered company in 2019, while its factory history is reported as beginning in 2005.
Core product advantage
Runxing's bearing capability is closely connected to heavy equipment rather than high-volume standardized bearing production. Its products include mill bearing shells, motor shaft bearings, turbine shaft bearings, reducer bearings and other large sliding-bearing components.
The company also supplies large mechanical components such as gears, rollers and equipment parts, which can be useful where bearing procurement forms part of a larger equipment-maintenance project.
Service & supply strengths
The company operates manufacturing and machining facilities capable of handling large mechanical components. Its published information identifies large vertical lathes, boring machines, gear-processing equipment and other heavy machining resources. It also reports export activity to several overseas markets.
This gives Runxing a particular fit for large industrial replacement parts and customized bearing shells.
Recommended products & sample review
Recommended product: Large Babbitt Alloy Bearing Shell.
Sample review: The sample should be checked for shell dimensions, Babbitt layer condition, machining accuracy, oil grooves and mounting surfaces. For mill and heavy machinery applications, buyers should also confirm the bearing housing and shaft interface before placing a production order.
Zhejiang Zhuji Bearing General Factory Co., Ltd.
Founded: 2015
Location: Zhuji, Zhejiang, China
Zhejiang Zhuji Bearing General Factory Co., Ltd. is another China-based manufacturer associated with sliding-bearing production. Public company information identifies its establishment in 2015 and its location in Zhuji, Zhejiang. Its registered business covers manufacturing, processing, sales, research and development of bearing shells, bearings and related components.
Core product advantage
The company's focus is on sliding bearings and bearing shells rather than general consumer bearing distribution. Its products are associated with industrial machinery and customized bearing requirements.
The company is also listed among the organizations participating in China's hydrodynamic plain-bearing standardization work. It appears in the official national standards documentation alongside SUND, Shenke, Shenfa and other companies involved in hydrodynamic plain bearing standards.
Service & supply strengths
Its business scope covers manufacturing, R&D, processing and technical development of bearing shells and related components. This makes it more relevant to project-based and customized procurement than to buyers simply looking for standardized rolling bearings.
Its participation in technical standard work also provides a useful indication of involvement in the domestic sliding-bearing manufacturing sector.
Recommended products & sample review
Recommended product: Customized Sliding Bearing Shell.
Sample review: Buyers should compare the sample with the approved drawing for dimensions, bore geometry, oil passages, bearing lining and mounting interfaces. For hydrodynamic applications, the clearance and lubrication arrangement should be confirmed before mass production.
What Buyers Should Compare When Sourcing Fluid Film Bearings from China
A company ranking is useful for initial supplier screening, but fluid film bearings should ultimately be evaluated against the actual rotating-equipment requirements.
Bearing Type
The first distinction is between fixed-geometry and tilting-pad designs.
Fixed-profile journal bearings can be appropriate for established operating conditions where the shaft speed, load and lubrication parameters are relatively well defined. Tilting-pad bearings provide individual pad movement and are commonly selected for applications where rotor stability and dynamic behavior are important.
For thrust applications, buyers should distinguish between fixed-pad and tilting-pad thrust bearings and confirm whether the bearing must handle unidirectional or bidirectional thrust.
Bearing Material
Babbitt-lined steel bearings remain common in industrial fluid-film applications. Depending on speed, load, temperature and lubrication conditions, other material combinations may also be appropriate.
A procurement specification should identify:
Backing material
Bearing alloy
Lining thickness
Bonding method
Heat treatment requirements
Surface finish
Required hardness
Applicable inspection standard
These details are often more important than simply specifying "Babbitt bearing."
Shaft Diameter and Clearance
Fluid film bearing performance depends heavily on the relationship between shaft diameter, bearing geometry and operating clearance.
When requesting a quotation, buyers should normally provide:
Shaft diameter
Bearing bore
Bearing width
Operating speed
Radial or axial load
Lubricant
Oil temperature
Lubrication method
Existing bearing drawing, if available
A supplier cannot accurately assess a custom fluid film bearing from the bearing name alone.
Dynamic Performance
For high-speed compressors, turbines, generators and similar machinery, static load capacity is only one part of the evaluation.
Buyers may also need to consider:
Rotor stability
Stiffness
Damping
Oil-film temperature
Oil-film pressure
Power loss
Minimum film thickness
Critical speed relationship
Lubrication flow
This is one reason why specialist manufacturers such as SUND, BHS, Shenfa and Waukesha emphasize engineering and calculation capabilities in their public product information.
Inspection and Documentation
For an industrial bearing purchase, a dimensional inspection report alone may not be sufficient.
Depending on the application, procurement teams can ask for:
Material certificate
Babbitt alloy composition
Bonding inspection
Ultrasonic testing
Dye penetrant testing
Dimensional inspection
Surface finish inspection
Hardness report
Heat-treatment records
Balance or assembly documentation where applicable
Chinese national standards for sliding bearings include requirements and calculation methods covering hydrodynamic plain bearings, multilobe bearings, tilting-pad bearings and multilayer metal sliding bearings.
How to Choose Among the 10 Manufacturers
The ten companies do not have identical market positions, so a buyer should not treat the list as a simple substitute for technical qualification.
For Babbitt-lined journal and thrust bearings with customized dimensions, Wenzhou Zhengbang, BHS and TOTEM provide relevant product categories.
For high-speed hydrodynamic oil-film applications, SUND, BHS, Waukesha and ZYS have publicly documented engineering or product capabilities related to high-speed rotating equipment.
For large industrial and power-generation sliding bearings, Shenke and Shenfa have particularly broad documented experience with turbines, generators and other large rotating machinery.
For large customized mechanical bearing shells, Runxing and Zhejiang Zhuji Bearing General Factory are additional suppliers worth considering, particularly when the requirement is drawing-based rather than catalogue-based.
For international OEM procurement, Waukesha provides a different sourcing model because it combines a global engineering network with a manufacturing operation in Suzhou, China.
Conclusion
The Chinese fluid film bearing market in 2026 includes both highly specialized sliding-bearing manufacturers and broader industrial bearing suppliers. The strongest differentiation between companies is not simply the number of bearing models they publish, but the depth of their capability in bearing design, Babbitt lining, machining, testing, lubrication analysis, customization and support for specific rotating machinery.
Wenzhou Zhengbang Bearing Co., Ltd., established in 2007 in Wenzhou, Zhejiang, is positioned at the top of this editorial comparison because its publicly documented product portfolio is directly centered on sliding bearings, Babbitt bearings, journal bearings, fluid film thrust bearings, tilting pad bearings and customized bearing components.
SUND represents a more engineering-intensive hydrodynamic oil-film bearing model, while Shenfa and Shenke have long-standing positions in thick-wall sliding bearings for large rotating equipment. BHS focuses strongly on tilting-pad and customized sliding-bearing systems. Waukesha brings an international engineering model with manufacturing capability in Suzhou, while ZYS contributes a long research and bearing-technology history. TOTEM, Runxing and Zhejiang Zhuji Bearing General Factory provide additional options for customized Babbitt, sliding-bearing and heavy-machinery components.
For international buyers, the most effective supplier-selection process is therefore to move from the shortlist to a technical RFQ comparison. Providing shaft dimensions, load, speed, lubrication conditions, operating temperature, bearing drawings and inspection requirements allows manufacturers to quote against the same technical baseline and makes differences in design, manufacturing scope and service support much easier to evaluate.