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Help CenterOil-Impregnated Sintered Bronze Bushing, Free Technical Support, 100% Quality Inspection, 0.5mm Tolerance
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As a leading manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to offer our Oil-Impregnated Sintered Bronze Bushing, a high-performance component designed for demanding industrial applications. With an annual export value of US$5-10 million and serving markets across North America, South America, Europe, and Asia, we bring decades of powder metallurgy expertise to every bushing we produce. This product features free technical support and 100% quality inspection, ensuring reliable operation and precise 0.5mm tolerance for consistent performance.
Our sintered bronze bushing is manufactured through advanced powder metallurgy techniques, creating a porous structure that is then vacuum-impregnated with high-quality lubricating oil. This design allows the bushing to release oil during operation and reabsorb it when at rest, providing continuous self-lubrication without the need for external grease fittings. The result is reduced maintenance, lower friction, and extended service life for your machinery.
Key Features & Benefits
- Self-Lubricating Design: Oil-impregnated pores ensure continuous lubrication, reducing wear and eliminating the need for relubrication in many applications.
- High Precision: 0.5mm tolerance guarantees consistent fit and reliable performance in rotating or sliding applications.
- 100% Quality Inspection: Every bushing undergoes dimensional, oil content, and visual checks to meet strict quality standards.
- Excellent Load Capacity: Sintered bronze provides good strength and durability for moderate to heavy loads.
- Corrosion Resistance: Bronze material offers natural resistance to moisture and many chemicals, suitable for harsh environments.
- Free Technical Support: Our experienced engineers help you select the right bushing size, material, and oil type for your specific application.
Technical Specifications
| Parameter | Value |
| Material | Sintered Bronze (90% Cu, 10% Sn, optional) |
| Density | 6.0 - 6.8 g/cm³ (adjustable) |
| Oil Content | ≥ 18% by volume |
| Hardness (HB) | 20 - 40 (optional) |
| Tolerance (Inner/Outer Diameter) | 0.5mm (customizable) |
| Operating Temperature | -20°C to +150°C (standard oil) |
| Surface Finish | Ra 1.6 μm typical |
Our manufacturing process ensures excellent oil retention and uniform pore distribution. The 0.5mm tolerance is achieved through precise sizing operations, making these bushings suitable for applications where shaft alignment and minimal play are critical. Typical uses include automotive systems, conveyor rollers, agricultural machinery, pumps, and general industrial equipment.
With our free technical support, we assist customers in selecting the optimal oil viscosity, bushing dimensions, and installation methods. Our team can also provide custom sizes, chamfer options, and oil types (e.g., food-grade, high-temperature) based on your requirements.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
- 25+ Years of Manufacturing Experience – Established in 1998, we have deep expertise in powder metallurgy and precision machining.
- Global Export Reach – Annual exports of US$5-10 million to markets including North America, Europe, South America, and Asia.
- Flexible Shipping – Convenient ports: Tianjin, Qingdao, Shanghai, Foshan, ensuring timely delivery worldwide.
- 100% Quality Commitment – Every bushing is inspected before shipment; we provide test reports upon request.
- Customer-Centric Support – Free technical consultation, sample availability, and after-sales service.
We invite you to contact us for a quote or to discuss your specific bushing requirements. Our experienced team is ready to help you optimize your machinery performance with our reliable, precision-engineered oil-impregnated sintered bronze bushings.
Frequently Asked Questions (FAQ)
1. What is the typical lifespan of an oil-impregnated sintered bronze bushing?
Lifespan depends on load, speed, temperature, and operating conditions. In normal industrial applications, these bushings can last several thousand hours. The self-lubricating property reduces wear, and the oil reservoir extends service life. We recommend periodic inspection and can provide guidance based on your specific application.
2. Can the bushing operate in high-temperature environments?
Standard oil is suitable for -20°C to +150°C. For higher temperatures (up to 300°C), we offer optional high-temperature lubricating oils. Please consult our technical support for custom solutions.
3. Do you provide custom sizes or tolerances?
Yes, we can customize inner diameter, outer diameter, length, and tolerance to meet your specific requirements. The 0.5mm tolerance is standard; tighter tolerances are available upon request.
4. How is the oil impregnated into the bushing?
Our process involves sintering the bronze powder to create a porous structure, then vacuum-impregnating the bushing with oil. This ensures deep and uniform oil distribution throughout the material.
5. Is the bushing suitable for water or chemical environments?
Sintered bronze has good corrosion resistance, but for aggressive chemicals or submerged applications, we recommend discussing material options with our engineers. Alternative materials like stainless steel or oil types may be suitable.
6. What is the minimum order quantity (MOQ)?
MOQ depends on size and quantity. For standard sizes, we often accept small orders. Please contact us with your required dimensions and quantity for a specific quotation.
7. Do you offer free samples?
Sample policy varies by product. We can provide samples for evaluation; please inquire about sample availability and shipping costs.
8. How do you ensure quality consistency?
We implement 100% quality inspection for critical dimensions, oil content, and visual defects. Our manufacturing process is controlled with regular testing. We also provide inspection reports on request.
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