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Help CenterOil-Impregnated Sintered Bronze Bushing, 12-Month Warranty, Mill Test Report Provided, Standard Compliant
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Anping County Boli Hardware Wiremesh Products Factory, a professional manufacturer established in 1998, is proud to present our Oil-Impregnated Sintered Bronze Bushing. With an annual export value of US$5–10 million and over two decades of manufacturing expertise, we deliver high-quality, standard-compliant bushings that offer reliable performance for a wide range of industrial applications. Each bushing comes with a 12-month warranty and a Mill Test Report, ensuring transparency and quality assurance. Whether you need self-lubricating bearings for heavy machinery, automotive components, or agricultural equipment, our oil-impregnated bronze bushings provide a cost-effective and durable solution with minimal maintenance requirements.
Product Features and Technical Specifications
Our Oil-Impregnated Sintered Bronze Bushing is manufactured using a powder metallurgy process that creates a porous bronze structure. This structure is then impregnated with lubricating oil, allowing the bushing to operate with self-lubricating properties for extended periods. The following are key features and technical details:
- Material: High-quality sintered bronze (typically 90% copper, 10% tin) with controlled porosity for optimal oil retention.
- Oil Impregnation: Vacuum-impregnated with mineral oil or synthetic oil to ensure consistent lubrication throughout the bushing's life.
- Self-Lubricating: Reduces the need for external lubrication systems, saving maintenance time and costs.
- Low Friction & Wear: Provides stable friction coefficients and extended service life even under high loads and moderate speeds.
- Standard Compliance: Manufactured in accordance with industry standards (e.g., ISO 5755, ASTM B438) – specific details available upon request.
- Customizable Dimensions: Available in a wide range of inner diameters, outer diameters, and lengths. We can also produce custom shapes per customer drawings.
- Operating Temperature: Typically -20°C to +120°C (depending on oil type; higher temperature options available upon request).
- Applications: Suitable for oscillating, rotating, or linear motions in automotive (e.g., suspension bushings), industrial machinery (e.g., conveyors, pumps), agricultural equipment, textile machines, and more.
Typical Physical and Mechanical Properties
| Property | Value | Remarks |
|---|---|---|
| Density (g/cm³) | 6.0 – 6.8 | Depends on porosity level |
| Oil Content (vol%) | 15 – 25 | Vacuum impregnation ensures high oil retention |
| Hardness (HB) | 30 – 60 | Brinell hardness, suitable for moderate loads |
| Compressive Strength (MPa) | ≥ 150 | Static load capacity |
| Max PV Value (MPa·m/s) | 2.5 – 3.5 | For continuous operation, consult our engineers |
| Coefficient of Friction | 0.06 – 0.15 | Depends on load, speed, and lubrication condition |
Advantages and Benefits for Your Business
- Reduced Maintenance: Self-lubricating design eliminates the need for frequent greasing or oiling, lowering downtime and labor costs.
- Long Service Life: The oil-impregnated bronze matrix provides continuous lubrication, reducing wear and extending the component's lifespan.
- Cost-Effective: Compared to roller bearings or complex lubrication systems, our bushings offer a more economical solution without compromising performance.
- Quiet Operation: The porous bronze material dampens vibration and noise, contributing to a smoother-running machine.
- Corrosion Resistance: Bronze naturally resists corrosion, making these bushings suitable for humid or mildly corrosive environments.
- Easy Installation: Precision-machined dimensions ensure a press-fit or slip-fit installation with minimal effort.
Trust and Quality Assurance
As a manufacturer with over 25 years of experience (since 1998), Anping County Boli Hardware Wiremesh Products Factory has shipped products to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our annual export value of US$5–10 million reflects the trust our global customers place in our products. Each shipment can be arranged from major ports: Tianjin, Qingdao, Shanghai, and Foshan. We provide a 12-month warranty against manufacturing defects, and each batch is accompanied by a Mill Test Report to verify chemical composition and physical properties. Our commitment to quality and standard compliance ensures that you receive reliable, consistent bushings for your applications. Contact us today to discuss your specific requirements or request a quotation. We are ready to support your business with customized solutions and competitive pricing.
Frequently Asked Questions
Q1: What is the typical lead time for oil-impregnated bronze bushings?
A: Standard sizes are usually shipped within 15–25 working days after order confirmation. Custom orders may require 25–35 days, depending on complexity.
Q2: Can you provide bushings with different oil types or viscosities?
A: Yes, we can impregnate with various oils (e.g., mineral, synthetic, food-grade) based on your operating conditions. Please specify your requirements.
Q3: Are these bushings suitable for use in food processing equipment?
A: We offer food-grade oil impregnation options that comply with FDA or NSF standards. Please consult our sales team for details.
Q4: Do you offer custom dimensions or shapes?
A: Absolutely. We can manufacture bushings according to your drawings or samples. Minimum order quantities may apply for custom products.
Q5: How do I install an oil-impregnated bronze bushing?
A: Typically, they are press-fit into a housing bore. Ensure the housing has proper tolerance (e.g., H7) and deburr edges. For precise instructions, refer to our installation guide.
Q6: What is the maximum operating temperature?
A: Standard oil-impregnated bushings can operate up to 120°C. For higher temperatures (up to 200°C), we can use specialized high-temperature oils.
Q7: Do you provide a Mill Test Report with every shipment?
A: Yes, a Mill Test Report (MTR) is included with each shipment, detailing the material composition, density, oil content, and mechanical properties for quality traceability.
Q8: What is your warranty policy?
A: We offer a 12-month warranty from the date of shipment against manufacturing defects. This warranty covers replacement or repair of defective products.
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