CuSn12 Graphite Bronze Bearing DIN 1850 - 50 MPa Load Capacity Self-Lubricating Construction Bearing
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
Product Overview
JDB-50 CuSn12 graphite plugged tin bronze self-lubricating bearing, also known as #500 oilless bearing, brass bearing, copper bushing, solid sliding bearing, guide bushing, and graphite filled bearing. Engineered for construction industry applications requiring high performance under demanding conditions.
Material Composition
Base Material: CuSn12 + Graphite
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Cu | 85.00 | 89.00 |
| Sn | 10.50 | 13.00 |
| Ni | 0.00 | 2.00 |
| Pb | 0.00 | 0.70 |
| Zn | 0.00 | 0.50 |
| Fe | 0.00 | 0.20 |
| Mn | 0.00 | 0.20 |
| P | 0.00 | 0.60 |
Key Characteristics
- Exceptional performance under high load, low speed operation without lubrication
- Superior wear resistance in reciprocating, oscillating, and intermittent operations
- Excellent corrosion and chemical resistance properties
- Maintenance-free operation with significant cost savings
Technical Specifications
| Parameter | Value |
|---|---|
| Material | CuSn12 |
| Density | 8.9 |
| HB Hardness | ≥75 |
| Tensile Strength | ≥270 MPa |
| Yield Strength | ≥150 MPa |
| Elongation | ≥5% |
| Thermal Expansion Coefficient | 1.8x10⁻⁵/°C |
| Max. Operation Temperature | -40 to +400°C |
| Max. Load | 50 MPa |
| Max Speed (Dry) | 0.5 m/s |
| Max Speed (Lubricated) | 2.5 m/s |
| Max PV (Dry) | 1 N/mm²·m/s |
| Max PV (Lubricated) | 1.65 N/mm²·m/s |
Applications
Widely used in continuous casting machines, mining machinery, shipping equipment, steam turbines, and various construction industry applications.
Mounting Recommendations
- Housing: Mounting bevel minimum 1.5 mm x 15-45°
- Shaft Material: Hardened steel with surface roughness
- Shaft: Mounting bevel 5 mm x 15° with rounded edges
- Force fitting mandrel recommended with possible grease lubrication during mounting
Manufacturing Capabilities
Standard fabrication includes cylindrical oilless bushings, flanged oilless bushes, thrust washers, and slide plates. Custom designs and special materials available upon request.
Quality Assurance
Advanced QC Equipment
Expert QC Team
Automated Production
Customer Service
With over 15 years of manufacturing experience, we provide professional production capabilities, automated mass production for high efficiency, and dedicated customer-focused service teams.
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Get in Touch
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Company
Jiashan PVB Sliding Bearing Co.,Ltd
Contact Person
Catherine Hu