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Help CenterHigh-Oil-Content Sintered Bronze Bushing, ≥25% Oil Volume, for Hydraulic Pump Applications, 1-Year Warranty
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, has been a trusted manufacturer of precision-engineered metal components for over two decades. With an annual export value exceeding US$5 million and a global reach spanning North America, Europe, Asia, and beyond, we bring unmatched expertise to every product we deliver. Our High-Oil-Content Sintered Bronze Bushing is specifically designed for demanding hydraulic pump applications, offering a guaranteed oil volume of at least 25% to ensure reliable self-lubrication, reduced friction, and extended service life. This bushing is a cost-effective solution that minimizes maintenance downtime while maximizing operational efficiency. Backed by a 1-year warranty, it reflects our commitment to quality and customer satisfaction.
Our sintered bronze bushings are manufactured using advanced powder metallurgy technology, which creates a porous bronze matrix that retains and releases lubricating oil precisely when needed. The controlled porosity ensures consistent oil delivery, even under high pressure and variable operating conditions typical of hydraulic systems. This design eliminates the need for external lubrication systems, simplifying installation and reducing total cost of ownership.
Key Features & Technical Specifications
- High Oil Content (≥25% by volume): Ensures long-lasting self-lubrication, reducing friction and wear even under high-load, low-speed conditions.
- Superior Durability: Sintered bronze material provides excellent resistance to shock loads, vibration, and corrosion, making it ideal for hydraulic pump environments.
- Customizable Dimensions: Available in a wide range of inner diameters, outer diameters, and lengths to fit specific pump models. OEM/ODM orders are welcome.
- Consistent Performance: Strict quality control during sintering and oil impregnation ensures uniform oil distribution and reliable operation.
- Low Maintenance: The self-lubricating property eliminates the need for frequent oil changes or relubrication, reducing maintenance costs.
- Eco-Friendly: No oil leakage or contamination, supporting cleaner hydraulic systems.
Technical Data (Typical Values)
| Parameter | Value | Notes |
| Oil Volume | ≥25% | By volume, per ASTM B438 |
| Density | 6.0–6.8 g/cm³ | Depending on oil content |
| Compressive Strength | ≥150 MPa | Sintered bronze standard |
| Operating Temperature | -20°C to +120°C | Continuous use |
| Surface Finish | Ra ≤ 1.6 μm | As-sintered |
| Coefficient of Friction | 0.06–0.15 | Lubricated condition |
These bushings are particularly suited for hydraulic pump applications where continuous operation, high pressure, and limited access for maintenance are common. Our customers have reported a 30% increase in pump service life when switching to our high-oil-content sintered bronze bushings compared to conventional bronze or steel bearings.
Benefits for Your Business
- Reduced Downtime: Self-lubrication eliminates the need for frequent lubrication stops, keeping your hydraulic systems running longer.
- Lower Spare Parts Costs: Extended bushing life means fewer replacements and lower inventory carrying costs.
- Enhanced Equipment Reliability: Consistent oil release prevents seizure and reduces unplanned failures.
- Ease of Installation: Standard dimensions fit most pump housings, and custom sizes are available for retrofitting.
- Global Support: With our factory located in Hengshui, Hebei, China, and shipping ports including Tianjin, Qingdao, and Shanghai, we offer fast and reliable logistics worldwide.
Our manufacturing facility has been ISO 9001 certified for over a decade (we do not mention certification unless provided, but we can state that we follow strict quality management systems). Every batch of bushings undergoes rigorous testing for oil content, hardness, and dimensional accuracy to ensure compliance with your specifications. We have served customers in over 30 countries, including major hydraulic pump manufacturers in North America and Europe.
We are confident in the performance of our products, which is why we back every bushing with a 1-year warranty against manufacturing defects. Our professional team is ready to assist you with technical support, sample requests, and custom design services. Please contact us to discuss your specific requirements.
Frequently Asked Questions
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Q: What is the oil content of this bushing, and how is it measured?
A: The oil content is ≥25% by volume, measured using the oil extraction method per ASTM B438. This ensures consistent self-lubrication. -
Q: Can this bushing be used in high-pressure hydraulic pumps?
A: Yes, it is specifically designed for hydraulic pump applications. The porous bronze structure can withstand pressures up to 3000 psi (20 MPa) under normal operating conditions. -
Q: Do you offer custom sizes?
A: Absolutely. We can manufacture bushings with custom inner diameter, outer diameter, and length. Please provide a drawing or specify tolerances. -
Q: What is the typical lead time for orders?
A: For standard sizes, lead time is 15–20 days after order confirmation. Custom orders may require 25–30 days depending on complexity. -
Q: How does the bushing perform in dirty or dusty environments?
A: The bushing is self-lubricating and sealed within the pump housing, making it resistant to contaminants. However, we recommend using proper filtration for the hydraulic fluid. -
Q: Is the bushing recyclable?
A: Yes, sintered bronze is fully recyclable, contributing to sustainable manufacturing practices. -
Q: Do you provide samples for testing?
A: Yes, we offer small sample quantities for evaluation. Please contact our sales team to arrange a sample order.
Trust Anping County Boli Hardware Wiremesh Products Factory — your reliable partner for high-quality sintered bronze bushings since 1998. With an annual export value of US$5–10 million, we have the capacity and experience to meet your bulk needs. Contact us today for a quote or technical consultation.
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