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Product Advantage
1. Excellent Wear Resistance
The CuPb24Sn connecting rod bearing is made from high-performance lead-tin bronze alloy, with hardness controlled at HB 70–100. It maintains smooth operation under heavy load and continuous marine engine use, minimizing wear and reducing mechanical failures.
2. High Load Capacity
This material offers excellent strength and ductility, capable of withstanding working pressures up to 250–300 MPa in marine engines. It remains stable under heavy load and high-speed operation, ensuring safe and reliable crankshaft and connecting rod performance.
3. Superior Corrosion Resistance
CuPb24Sn alloy resists corrosion from seawater, lubricants, and fuel. It performs reliably in harsh marine environments, including salt spray and high humidity, without degrading or losing performance.
4. Precision Machining & High Fit Accuracy
Each bearing is CNC precision machined and strictly inspected, with tolerance within ±0.01 mm, ensuring perfect fit with crankshaft and connecting rod. This reduces friction, vibration, and enhances engine smoothness.
Technical Parameters
| Product Parameters | Content |
| Product Name | Connecting Rod Bearing |
| Application | Marine Bearing |
| Material | CuPb24Sn |
| Surface Treatment | Tin Plating/Phosphating/Shot Peening |
| Weight | 0.5-5KG (Depending on size customization) |
| Tolerance Class | IT:6-7 |
| Minimum Order Quantity | ≥10EA |
| Surface Roughness | RA:0.4-0.8 |
| Processing Technology | CNC Turning/Precision Grinding/Drilling |
| Production Volume | Over 100 Pieces Per Month |
| Heat Treatment | Solution Treatment |
| Hardness | HB70-100 |
| Testing Method | CMM |
Product Uses
1. Marine Diesel Engines
The CuPb24Sn connecting rod bearing is designed for marine diesel engines, capable of withstanding high loads and high-speed rotation. Its excellent wear and corrosion resistance ensures smooth operation in saltwater environments, reducing friction and vibration while improving engine efficiency and reliability.
2. Ship Propulsion Systems
This bearing can be used in crankshaft and connecting rod assemblies of ship propulsion systems, providing stable power transmission, withstanding continuous impact and high torque. Suitable for cargo ships, fishing vessels, and passenger ships.
3. Offshore Engineering Machinery
Ideal for diesel engines in offshore cranes, drilling rigs, and pump equipment. Its high load capacity and corrosion resistance allow it to endure long-term heavy-duty operation in harsh marine environments, reducing downtime and extending equipment life.
4. Generators and Auxiliary Power Systems
CuPb24Sn bearings are also suitable for marine generators and industrial diesel engines, ensuring stable long-term operation. Their wear resistance and precise dimensions help engines operate efficiently, lower maintenance frequency, and enhance reliability.
Product Operate Guide
Before installing the CuPb24Sn connecting rod bearing, ensure the crankshaft and connecting rod surfaces are clean and free of debris. Use proper pressing tools to insert the bearing evenly without excessive force. Apply recommended lubrication to reduce initial friction. During operation, regularly inspect for wear, alignment, and lubrication conditions. Proper installation and maintenance ensure smooth engine operation, reduce vibration, extend service life, and maintain high efficiency in marine engines.
Product Video
FAQ
1. Q: Which engines or equipment is this product suitable for?
A: Primarily designed for crankshaft connecting rod systems in marine diesel engines, also suitable for offshore construction machinery, marine generators, and industrial diesel engines, capable of withstanding heavy-duty, continuous operation.
2. Q: Does the product comply with international standards?
A: Our bearings are manufactured according to ISO and DIN standards. Third-party inspection certificates can be provided upon request to ensure quality and performance for global marine markets.
3. Q: What is the expected service life of this bearing?
A: Durability and field tests show the CuPb24Sn bearing can operate over 20,000 hours in marine diesel engines, reducing maintenance frequency, extending engine and equipment life.
4. Q: How to check bearing wear?
A: During routine maintenance, check bearing clearance, oil film condition, and surface scratches to assess wear. Replacing severely worn bearings promptly prevents crankshaft and connecting rod damage, ensuring engine safety.
Product Advantage
1. Excellent Wear Resistance
The CuPb24Sn connecting rod bearing is made from high-performance lead-tin bronze alloy, with hardness controlled at HB 70–100. It maintains smooth operation under heavy load and continuous marine engine use, minimizing wear and reducing mechanical failures.
2. High Load Capacity
This material offers excellent strength and ductility, capable of withstanding working pressures up to 250–300 MPa in marine engines. It remains stable under heavy load and high-speed operation, ensuring safe and reliable crankshaft and connecting rod performance.
3. Superior Corrosion Resistance
CuPb24Sn alloy resists corrosion from seawater, lubricants, and fuel. It performs reliably in harsh marine environments, including salt spray and high humidity, without degrading or losing performance.
4. Precision Machining & High Fit Accuracy
Each bearing is CNC precision machined and strictly inspected, with tolerance within ±0.01 mm, ensuring perfect fit with crankshaft and connecting rod. This reduces friction, vibration, and enhances engine smoothness.
Technical Parameters
| Product Parameters | Content |
| Product Name | Connecting Rod Bearing |
| Application | Marine Bearing |
| Material | CuPb24Sn |
| Surface Treatment | Tin Plating/Phosphating/Shot Peening |
| Weight | 0.5-5KG (Depending on size customization) |
| Tolerance Class | IT:6-7 |
| Minimum Order Quantity | ≥10EA |
| Surface Roughness | RA:0.4-0.8 |
| Processing Technology | CNC Turning/Precision Grinding/Drilling |
| Production Volume | Over 100 Pieces Per Month |
| Heat Treatment | Solution Treatment |
| Hardness | HB70-100 |
| Testing Method | CMM |
Product Uses
1. Marine Diesel Engines
The CuPb24Sn connecting rod bearing is designed for marine diesel engines, capable of withstanding high loads and high-speed rotation. Its excellent wear and corrosion resistance ensures smooth operation in saltwater environments, reducing friction and vibration while improving engine efficiency and reliability.
2. Ship Propulsion Systems
This bearing can be used in crankshaft and connecting rod assemblies of ship propulsion systems, providing stable power transmission, withstanding continuous impact and high torque. Suitable for cargo ships, fishing vessels, and passenger ships.
3. Offshore Engineering Machinery
Ideal for diesel engines in offshore cranes, drilling rigs, and pump equipment. Its high load capacity and corrosion resistance allow it to endure long-term heavy-duty operation in harsh marine environments, reducing downtime and extending equipment life.
4. Generators and Auxiliary Power Systems
CuPb24Sn bearings are also suitable for marine generators and industrial diesel engines, ensuring stable long-term operation. Their wear resistance and precise dimensions help engines operate efficiently, lower maintenance frequency, and enhance reliability.
Product Operate Guide
Before installing the CuPb24Sn connecting rod bearing, ensure the crankshaft and connecting rod surfaces are clean and free of debris. Use proper pressing tools to insert the bearing evenly without excessive force. Apply recommended lubrication to reduce initial friction. During operation, regularly inspect for wear, alignment, and lubrication conditions. Proper installation and maintenance ensure smooth engine operation, reduce vibration, extend service life, and maintain high efficiency in marine engines.
Product Video
FAQ
1. Q: Which engines or equipment is this product suitable for?
A: Primarily designed for crankshaft connecting rod systems in marine diesel engines, also suitable for offshore construction machinery, marine generators, and industrial diesel engines, capable of withstanding heavy-duty, continuous operation.
2. Q: Does the product comply with international standards?
A: Our bearings are manufactured according to ISO and DIN standards. Third-party inspection certificates can be provided upon request to ensure quality and performance for global marine markets.
3. Q: What is the expected service life of this bearing?
A: Durability and field tests show the CuPb24Sn bearing can operate over 20,000 hours in marine diesel engines, reducing maintenance frequency, extending engine and equipment life.
4. Q: How to check bearing wear?
A: During routine maintenance, check bearing clearance, oil film condition, and surface scratches to assess wear. Replacing severely worn bearings promptly prevents crankshaft and connecting rod damage, ensuring engine safety.
