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Custom ODM/OEM Self-Lubricating Copper Alloy Bearings

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Focus on the research and development and production of various new self-lubricating bearings such as Self-Lubricating Copper Alloy Bearings.
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Self-Lubricating Copper Alloy Bearings Manufacturers

Shuangnuo Bearing specializes in manufacturing self-lubricating copper alloy products using centrifugal, continuous, and metal mold casting. Its main products include brass, aluminum bronze, and tin bronze, produced to national standards, which are further processed into solid inlaid self-lubricating bearings. The company also utilizes sintering technology to produce bimetallic products. With nearly a decade of experience, Shuangnuo focuses on R&D and production of innovative self-lubricating bearings.

Zhejiang Shuangnuo Bearing Technology Co., Ltd. Zhejiang Shuangnuo Bearing Technology Co., Ltd.
Zhejiang Shuangnuo Bearing Technology Co., Ltd.
Zhejiang Shuangnuo Bearing Technology Co., Ltd. is China Self-Lubricating Copper Alloy Bearings Manufacturers and Custom ODM/OEM Self-Lubricating Copper Alloy Bearings Factory, we are a manufacturer specializing in producing various self-lubricating copper alloy products using centrifugal casting, continuous casting, metal mold casting, and other processes. Its main products include brass, aluminum bronze, tin bronze, and others produced according to national standard grades. It processes and produces various solid inlaid self-lubricating bearing products on this basis . At the same time, it uses sintering technology to produce bimetallic products and many other types of products. Since its establishment nearly 10 years ago, the company has focused on the research development, and production of various new self-lubricating bearings.

In the process of product production, our company has always insisted on independent casting production of raw materials to ensure the quality of products from the source; during the casting process, the whole process is monitored, and the finished product is tested by spectrometer three times before, in and after the furnace to confirm the material composition of the product. The national testing agency is regularly commissioned to test the material composition and mechanical properties of the product, and authoritative test reports can be provided to customers in need; the company implements integrated production from material to finished product processing and has more than 80 sets of advanced CNC machine tools, CNC lathes, machining centers, and other major equipment. The strong production capacity ensures that the material production is organized for customers for the first time, shortening the production cycle.
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    Establishment

    Founded in 2014, Shuangnuo has 10 years of experience in the industry.

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    Advanced Equipment

    Strong production capacity ensures that we can organize material production for customers as soon as possible and shorten the production cycle.

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    Happy Clients

    There are more than 5,000 cooperative customers around the world.

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Self-Lubricating Copper Alloy Bearings Industry knowledge

Self-Lubricating Copper Alloy Bearings – Engineered for Demanding Applications

Zhejiang Shuangnuo Bearing Technology Co., Ltd. is a specialized Self-Lubricating Copper Bearings manufacturer of self-lubricating copper alloy bearings, combining in-house casting, precision machining, and surface engineering under one roof. Our product range covers solid-lubricating bronze bushings, bimetallic composites, and wrapped bearings, serving industries such as construction machinery, mining, mold and die, metallurgical equipment, and automotive systems. With nearly a decade of focused R&D, we provide ODM/OEM solutions that match specific load, speed, and environmental conditions.

We control the entire production chain—from raw material casting to final CNC finishing—ensuring material integrity and dimensional accuracy. Our factory in Zhejiang, China, operates over 80 CNC machines and machining centers, enabling efficient production of both standard and custom parts. Whether you need a standard JDB bushing or a custom-engineered wear plate, our engineering team works with you to define the optimal material and configuration.

Our Product Range

We offer eight core product families, each designed for specific operating conditions. The table below summarizes their key features and typical applications.

Product Family Key Features Typical Applications
JDB Solid-lubricating Bearing High-strength copper alloy base with graphite or MoS2 plugs; maintenance-free dry operation Mold guide bushings, ejector pins, construction machinery pivot points
JDB-600 Casting Bronze Bearing Tin bronze with internal spiral oil grooves; high load capacity, corrosion resistant Heavy-duty rotating shafts, hydraulic pumps, marine equipment
Oil-retaining Bimetallic Bearing Steel backing with sintered bronze layer and PTFE-based lining; low friction, high load Automotive steering systems, hydraulic cylinders, gearboxes
SF-1 Oilless Bearing PTFE-lined steel-bronze composite; maintenance-free, low wear Office equipment, textile machinery, household appliances
SF-2 Boundary Lubricating Bearing Acetal resin layer over bronze; operates with minimal or intermittent lubrication Automotive wiper systems, power tools, agricultural machinery
JF-800 Bi-metal Bearing Steel-backed copper alloy; high fatigue strength, good thermal conductivity Connecting rods, heavy-duty engines, compressors
FB090 Bronze Wrapped Bearing Bronze sheet rolled with lubricant pockets; economical, low friction Gearbox bushes, hydraulic pumps, general machinery
Ball Bearing Cage Precision-machined brass or steel cages for ball bearings High-speed rotating applications, electric motors, machine tools

Application Fit and Material Selection

Selecting the right bearing material is critical for performance and service life. We produce brass, aluminum bronze, and tin bronze alloys to national standards, each offering distinct advantages:

  • Brass: Good machinability and moderate wear resistance, ideal for low to medium loads.
  • Aluminum Bronze: High strength and excellent corrosion resistance, suited for heavy loads and harsh environments.
  • Tin Bronze: Superior self-lubricating properties, often used in low-speed or boundary-lubricated conditions.

For dry-running applications, we embed graphite or MoS2 plugs into the bearing surface. For lubricated systems, we offer oil grooves or porous bronze layers that retain grease or oil. Our engineers consider load, speed, temperature, and environmental factors to recommend the most cost-effective solution.

Engineering and Customization

We provide personalized design services based on your application characteristics. Whether you need a flanged bushing, thrust washer, or wear plate, we can customize dimensions, materials, and lubricant types. Our in-house tooling and machining capabilities allow us to produce complex geometries with tight tolerances, ensuring proper fit and function.

We also support OEM projects, working from drawings or samples to develop parts that meet your specifications. Our team provides guidance on clearance, surface finish, and installation to maximize bearing life.

Quality Assurance and Testing

Quality starts with raw materials. We independently cast our copper alloys, monitoring the process with spectrometer tests before, during, and after melting to confirm composition. We regularly commission national testing agencies to verify mechanical properties, and we can provide authoritative test reports upon request.

Our integrated production ensures traceability from melt to finished part. Each batch is inspected for dimensional accuracy and surface quality. We follow strict internal standards to deliver consistent, reliable products.

Production Capacity and Delivery

With over 80 CNC machines, lathes, and machining centers, we can handle both small and large volume orders efficiently. Our in-house casting and machining reduce lead times, allowing us to respond quickly to urgent requirements. We organize material production as soon as an order is confirmed, ensuring timely delivery.

Information We Use to Configure Your Solution

To prepare an accurate quotation and design, please provide the following details:

  • Operating load (static and dynamic) and direction
  • Shaft speed and type of motion (rotating, oscillating, linear)
  • Operating temperature range and environment (dust, moisture, chemicals)
  • Lubrication method (dry, oil, grease) or if maintenance-free is required
  • Bearing dimensions (ID, OD, length, flange type) or a drawing
  • Expected service life and any industry-specific standards
  • Quantity and target delivery schedule

With this information, we can recommend the most suitable material and design, and provide a detailed proposal.

Installation and Maintenance Support

Proper installation is key to bearing performance. We provide guidelines on housing fit, shaft tolerance, and alignment. For self-lubricating bearings, we recommend applying a thin layer of grease during initial assembly to prevent dry start-up wear. Our technical team is available to answer questions and provide on-site support if needed.

FAQs

Q: What types of self-lubricating bearings do you manufacture?

A: We manufacture a wide range, including JDB solid-lubricating bearings, JDB-600 casting bronze bearings, oil-retaining bimetallic bearings, SF-1 and SF-2 composite bearings, JF-800 bi-metal bearings, FB090 bronze wrapped bearings, and ball bearing cages. Each type is designed for specific load, speed, and lubrication conditions.

Q: Can you produce bearings to our custom drawings?

A: Yes, we specialize in ODM/OEM custom parts. We can produce bearings according to your drawings or samples, selecting the appropriate material and lubricant system. Our in-house casting and CNC machining allow us to achieve tight tolerances and complex geometries.

Q: How do you ensure material quality?

A: We independently cast our copper alloys and perform spectrometer tests at three stages: before, during, and after melting. We also commission national testing agencies to verify mechanical properties and can provide authoritative test reports upon request.

Q: What is your typical production lead time?

A: Lead time depends on the complexity and quantity of the order. For standard parts, we can often deliver within 2-4 weeks. For custom designs, the lead time may be longer due to tooling and material preparation. We provide a confirmed schedule with your quotation.

Q: Do you provide technical support for bearing selection?

A: Yes, our engineering team can assist you in selecting the right bearing type and material based on your application. We consider load, speed, temperature, and environmental factors to recommend the most cost-effective solution.

Q: What industries do you serve?

A: Our bearings are used in construction machinery, mining equipment, mold and die, metallurgical plants, automotive systems, and general industrial machinery. We have experience with both heavy-duty and high-precision applications.