Intermediate Bearing
Intermediate Bearing
Self-lubricating bronze bearings are engineered for applications where external lubrication is impractical. Solid lubricants are compressed and molded directly into the bearing to guarantee a maintenance-free product. No additional lubrication is necessary.

What Is Bronze Intermediate Bearing Flanged Bushing
Bronze intermediate bearings are essential components in various mechanical systems, especially in marine propeller shaft assemblies. They are crucial for ensuring smooth operation and longevity of the equipment they support.
- Bronze intermediate bearings are designed to provide crucial support for long propeller shafts. These bearings help to bridge the distance between the stern bearing (near the propeller) and the forward shaft bearing. By doing so, they minimize vibrations and prevent shaft whip, which can occur in extended shaft configurations. This support is vital for maintaining alignment and stability in mechanical systems.
- these bearings are crafted from high-quality cast bronze.
Applications Of Bronze intermediate bearings
Intermediate round flange bearings are versatile components used across a wide range of industries, including automotive, aerospace, manufacturing, and robotics. These bearings are designed to provide critical support for shafts and facilitate the smooth rotation of components while ensuring minimal friction and high stability.
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Manufacturing: Machinery and Equipment: Provide essential support for rotating shafts in industrial machinery, such as conveyor belts, lathes, and milling machines.
Assembly Lines: Improve the efficiency and lifespan of components in automated production lines. -
Robotics: Robotic Arms and Joints: Enhance the precision and stability of movements in robotic systems by supporting the rotating shafts in arms and joints.
Automated Systems: Facilitate smooth operation in automated and semi-automated systems used in various industries. -
Marine Propulsion Systems: Larger Vessels: Essential in ships and boats with extended propeller shafts, providing support and reducing vibrations.
Dripless Shaft Seals: Often used as a modern replacement for traditional stuffing boxes, especially when combined with dripless shaft seals to improve sealing and reduce maintenance.

precision engineering components
Unmatched Durability: Bronze Intermediate Bearings for Precision Applications
At Bronzeoilless.com, Intermediate Bearings are our expertise and passion. With years of experience, our engineering team develops innovative solutions tailored to enhance your equipment’s performance and cost-effectiveness. We work closely with customers to create products that meet their specific needs and exceed expectations.

Customizing Flanged Bushings
Customizing Flanged Bushings
Flanged bushings are crucial components for supporting rotating shafts and ensuring smooth motion in various machinery. They feature distinctive flanged outer rings that provide axial support and alignment while accommodating radial loads. These bushings are available in multiple designs, including round, square, and diamond flanges, each tailored to specific applications. Common materials used include C93200 and C86300 bronze, offering options to meet diverse operational needs.
- High Load Capacity &Enhanced Stability
- Ease of Installation: The flanged design simplifies installation, maintenance, and inspections, leading to reduced operational downtime.
- Versatility: Adaptable to various mounting configurations, making these bearings suitable for a wide range of industrial applications.
- Durability & Corrosion Resistance
- Low Friction: Optimized designs reduce friction, improving energy efficiency and operational smoothness.
- Intermediate round flange bearings are designed to function effectively in various challenging environments, including:Extreme Temperatures & High Humidity & High Radiation & High Vibration/Impact & Vacuum/Low Pressure & Extreme Altitudes.
Intermediate Bearing Design and Construction Features
- Round Flange Design: Ensures secure mounting and support for rotating shafts.
- Material Composition: Typically made from steel, bronze, or thermoplastics, chosen for their strength and resistance to corrosion.
- Bearing Housing: Protects and supports bearing components, maintaining alignment during operation.
- Lubrication Mechanisms: Various lubrication methods reduce friction and wear, extending bearing life and ensuring smooth operation.
Intermediate Round Flange Bearing Structure: Constructed from high-quality copper alloys, these bearings offer excellent bearing capacity, corrosion resistance, and flexibility in dimension processing. They are available in various compositions, including:
- CuZn25Al6Fe3Mn3 with Graphite
- ZCuAl9Fe4Ni4Mn2 with Graphite
- ZCuSn5AlPb5Zn5 with Graphite
- ZCuSn10Zn2 with Graphite
- HT250# Cast Iron with Graphite
- CuSn6Zn6Pb3 with Graphite or MoS2
- CuSn12 with Graphite
- CuZn25Al6Fe3Mn3 (High-stress Brass)

Common Bronze Alloys for Intermediate Bearings
When it comes to choosing materials for intermediate bearings, certain bronze alloys stand out for their exceptional properties:
- Leaded Tin Bronzes (e.g., C93200, SAE 660): These are the most popular alloys in bearing applications due to their well-rounded characteristics. They offer a superb balance of strength, wear resistance, and ease of machining. This makes them an excellent choice for a wide range of industrial uses where reliable performance and durability are critical.
- Aluminum Bronzes (e.g., C95400): Known for their outstanding strength and superior resistance to corrosion, these alloys are particularly suited for harsh environments like marine applications. Their ability to withstand heavy loads and resist the corrosive effects of seawater makes them indispensable for equipment operating in coastal and offshore settings.
- Manganese Bronzes (e.g., C86300): These alloys are renowned for their extremely high strength and exceptional wear resistance, making them ideal for heavy-duty applications. They are the go-to choice for machinery and equipment that face continuous and intense operational demands, ensuring long-lasting performance even under the toughest conditions.
To further enhance their functionality, these bronze alloys can be combined with materials such as graphite or PTFE (Polytetrafluoroethylene). These additions impart self-lubricating properties to the bearings, reducing friction and wear, and extending the service life of the components while minimizing maintenance needs.
Technical Data:
- Density: 8.2 g/cm³
- Linear Expansion Coefficient: 1.6-2.0 x 10⁻⁵/°C
- Thermal Conductivity: 38-55 W/(m·K)
- Tensile Strength: ≥ 755 N/mm²
- Impact Toughness: ≥ 400-500 KJ/m²
- Hardness: ≥ 210 HB
- Modulus of Elasticity: 100-140 KN/mm²
- Elongation: ≥ 12%
- Friction Coefficient:
- Oil Lubrication: 0.03 μ
- Dry Lubrication: 0.16 μ
- Working Temperature: -40°C to +300°C
- Maximum Load Pressure: 100 N/mm²
- Maximum Linear Speed: 0.50 m/s
- Maximum PV Value: 1.65 N/mm²·m/s
For further details and inquiries, please contact our sales and engineering team.




