Trusted Partner for CuSn7Zn4Pb7-C Tin Bronze Bushings

Tin bronze bushings made from CuSn7Zn4Pb7, also known as RG7 or CC493K, are highly regarded for their excellent mechanical properties, including high wear resistance, good corrosion resistance, and machinability. Welcome to our esteemed company, a leading provider of cast bronze alloy solutions. As a reliable supplier of self-lubricating high lead-tin bronze bushings, we bring unparalleled expertise in friction management, utilizing the renowned CuSn7Zn4Pb7 (CC493K) bronze alloy material. Our innovative solutions, centered around bronze bushings, are acknowledged globally and approved for various applications. Discover the optimal bearing bronze material for your needs.

Excellent casting – CuSn7Zn4Pb7 (CC493K) – Tin Bronze Alloy

The most common bronze alloy is CuSn7Zn4Pb7 (CC493K), also known as Rg7 or gunmetal. 2.1090 CuSn7Zn4Pb7,2.1096 material. CuSn7Zn4Pb7-C belongs to the German standard cast high lead tin bronze, executive standard: DIN EN 1982-2008 Copper and copper alloys. Ingots and castings Our high performance high lead tin bronze bushing and casting bronze alloy production technology provides different sizes and the best wear resistance. Choose your bushing bronze material for your request.

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Looking for high-quality tin bronze bushings? Our company prides itself on adhering to the highest standards in bronze bushing products. We operate with dedication and strictly follow our quality management system to ensure you receive the best products.

Trustworthy Supplier of Tin Bronze Bushings – Select Your Preferred Bushing Bronze Material

As a dependable provider of tin bronze bushings, we offer a diverse range of bearing bronze materials tailored to your needs. Our Rg7 Bronze Bearings are extensively utilized across various industries, including continuous casting machines, mining machines, shipping machines, turbines, injection machines, car molds, and more. Discover the ideal bronze bushing material for your specific application, whether it’s special brass, phosphor tin bronze, aluminum bronze, tin bronze, lead bronze, or low alloy copper alloy. Explore the Versatility of Tin Bronze Bushings for Your Applications.

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When it comes to bronze bushings, premium tin bronze bushings stand out as a top choice for various industrial applications. These bushings adhere to strict quality management systems, ensuring every product meets the highest standards. Our dedication to excellence means you can trust in the durability and performance of our tin bronze bushings, making them an ideal solution for demanding environments.

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We pride ourselves on offering not just high-quality tin bronze bushings, but also reliable service. With an extensive inventory and a comprehensive supply system, we guarantee punctual delivery, ensuring your operations run smoothly without delays. Our well-developed stock management strategy ensures that we can meet your demands efficiently, keeping your projects on track and within schedule.

Safety and Reliability from Production to Shipment

Our tin bronze bushings are self-lubricating, providing long-lasting performance with minimal maintenance. This feature enhances safety and reliability, reducing the risk of unexpected breakdowns. From production to shipment, our processes are designed to maintain the integrity and quality of our bushings, ensuring they arrive ready to perform.

Large Inventory and Timely Delivery Guaranteed

We maintain a large inventory of tin bronze bushings, ready to meet your needs at a moment’s notice. Our commitment to timely delivery means you can count on us to supply the components you need, when you need them. With our premium tin bronze bushings, you gain a partner dedicated to supporting your success through high-quality products and exceptional service.

Discover the reliability and excellence of our tin bronze bushings, and let us help you achieve greater efficiency and performance in your applications.

Discover the Excellence of Tin Bronze: CuSn7Zn4Pb7-C (CC493K)

High-Quality Tin Bronze Bushings

Our tin bronze bushings, made from the CuSn7Zn4Pb7-C (CC493K) alloy, are crafted using centrifugal or continuous casting methods, ensuring high-quality and reliable products.

Chemical Composition and Mechanical Properties

The CuSn7Zn4Pb7-C (CC493K) alloy, also known as C93200 Tin Bronze, offers a unique blend of elements and superior mechanical properties:

ElementComposition (%) (EN 1982)Composition (%) (DIN 1705)
Cu (Copper)81.0 – 85.081.0 – 85.0
Sn (Tin)5.4 – 8.05.6 – 8.0
Zn (Zinc)2.0 – 5.03.0 – 5.0
Pb (Lead)5.0 – 8.05.0 – 7.0
Ni (Nickel)2.0 max2.0 max
P (Phosphorus)0.10 max0.05 max
PropertyValue (EN 1982)Value (DIN 1705)
Rm (Tensile Strength, N/mm²)≥ 260≥ 270
Rp 0.2 (Yield Strength, N/mm²)≥ 120≥ 120
A5 (Elongation, %)≥ 12≥ 16
HB (Hardness, HB)≥ 70≥ 70
Density (kg/dm³)8.9

Characteristics and Applications

CuSn7Zn4Pb7-C, commonly known as bearing bronze or gunmetal, is widely used for its excellent properties:

  • Good Dry Running Properties
  • High Wear Resistance
  • Excellent Machinability

This alloy is ideal for medium load bearings, withstanding loads up to 4000 N/cm². Common applications include:

  • Cylinder and bearing liners
  • Gears
  • Wear strips

Typical Applications

CC493K bronze is versatile and used in a variety of industries for:

  • Bearings and cushions
  • Car accessories
  • Main shaft and machine tool bearings
  • Crane and ectopic bearings
  • Roller neck and rolling bearings
  • Fuel pump linings
  • Water pump shaft covers
  • Diesel piston settings
  • Hydraulic press fillers
  • Pump leaf wheels
  • Universal bands and pipes
  • Outer ball bearings


Our custom bearing bronze material, CuSn7Zn4Pb7-C (CC493K), combines outstanding chemical and mechanical properties with versatile applications. This makes it the preferred choice for high-performance and durable bronze components. Explore the benefits of our tin bronze bushings and enhance the efficiency and longevity of your machinery.

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Breathtaking design for home living.

Tin bronze CuSn7ZnPb (Rg7), CuSn12 (SnBz12), CuSn12Pb, and CuSn12Ni are the most widely used alloys; Tin bronze bushing has excellent sliding properties and good mechanical properties, seawater resistance, and wear resistance. Select your tin bronze bushings for your application request.

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RG7 Bronze Bushing – C93200 Tin Bronze Material

Reliable Bronze Bushings Supplier. High-Quality C93200 Sae660 Rg7 Cast Bronze Bearings Bronze Alloy Leaded Tin Bronze Bushing Graphite Impregnated Bronze Bushings From China. Improve Bronz Bushings Technology And Reduce Costs Find The Quality Tin Bronze Bushings For Your Requirement At

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CC493K Bronze Equivalent Rg7 Or Gunmetal Bronze Material

Extend The Life Of Bronze Bushing. Producing Innovative Tin Bronze Bushings Products, Reducing Maintenance, Realizing Bushing & Bearings Technology Improvements, While Reducing Cost And Extending Life, All Graphite Tin Bronze Bushings Products Are Delivered Immediately From Its Stock. Improve Tin Bronze Bushings Technology And Reduce Costs In Multiple Applications.

Mining Equipment Tin bronze bushings Solutions

High Quality CuSn7Zn4Pb7 (CC493K) Tin Bronze Bushings Flanged Bronze Bearing Mining & Processing Equipment Parts From China. Tin bronze bushings used in the mining application industry must be able to withstand corrosive materials, extreme high and low temperatures, snow and ice build-up, and high vibration from adjacent equipment. The bronze bushings supplier has the right energy chain tin bronze bushings solution to provide years of reliable low maintenance operation in the mining industry’s heaviest environments. Self-lubricating tin bronze components that are not marked for wear provide long service life, minimal maintenance and reduced downtime of mining equipment.

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Revolutionary CuSn7Zn4Pb7-C Tin Bronze Bushings for Enhanced Mining Equipment Efficiency

Explore our groundbreaking RG7 bronze bearings, specially crafted for the mining industry. Witness a remarkable reduction of up to 95% in mining equipment assembly time with our tin bronze bushings. Benefit from optimized sourcing with a one-to-one ratio for mining equipment and bronze bushing parts. Not only do our solutions cut down manufacturing costs, but they also eliminate the need for dedicated storage space, ensuring minimal logistics work. Upgrade your mining operations with the efficiency and cost-effectiveness of our CuSn7Zn4Pb7-C tin bronze bushings.

Discover Optimal Performance with CuSn7Zn4Pb7-C Tin Bronze Bushings

Explore our extensive collection of tin bronze bushings to find the perfect solution that aligns with your unique requirements. Uncover the excellence of our Bronze Bearing CuSn7Zn4Pb7-C (CC493K) available at For over a decade, we have been dedicated to collaborating closely with our global customers, delivering precision bearing solutions that consistently meet and exceed their expectations. Trust in our experience and expertise to provide you with the best tin bronze bushings for enhanced performance and durability. Visit our website and explore the world of precision bearings designed to cater to your specific needs.

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