C90800 Tin Bronze Graphite Bearings - Self-Lubricating Bushings with 50 MPa Load Capacity and 400°C Temperature Range
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
Joyreap
Product Description
Product Overview
C90800 Tin Bronze Graphite Bearings are high-performance self-lubricating bushings designed for demanding industrial applications. These Oiles bronze bushings provide exceptional performance under high loads and low-speed operations without requiring external lubrication.
Material Composition
Base Material: CuSn12 Tin Bronze with Graphite Inlay
Chemical Composition:
| Element | Min (%) | Max (%) |
|---|---|---|
| Copper (Cu) | 85.00 | 89.00 |
| Tin (Sn) | 10.50 | 13.00 |
| Nickel (Ni) | 0.00 | 2.00 |
| Lead (Pb) | 0.00 | 0.70 |
| Zinc (Zn) | 0.00 | 0.50 |
| Iron (Fe) | 0.00 | 0.20 |
| Manganese (Mn) | 0.00 | 0.20 |
| Phosphorus (P) | 0.00 | 0.60 |
Key Characteristics
- Superior performance under high loads up to 50 MPa and low-speed operations
- Excellent wear resistance in reciprocating, oscillating, and intermittent operations
- Outstanding corrosion and chemical resistance properties
- Maintenance-free operation with significant cost savings
- Self-lubricating design eliminates need for external lubrication systems
Technical Specifications
| Parameter | Value |
|---|---|
| Material | CuSn12 |
| Density (g/cm³) | 8.9 |
| HB Hardness | ≥75 |
| Tensile Strength | ≥270 MPa |
| Yield Strength | ≥150 MPa |
| Elongation | ≥5% |
| Thermal Expansion Coefficient | 1.8×10⁻⁵/°C |
| Operating Temperature Range | -40°C to +400°C |
| Maximum Load | 50 MPa |
| Maximum Speed (Dry) | 0.5 m/s |
| Maximum Speed (Lubricated) | 2.5 m/s |
| Maximum PV Value (Dry) | 1 N/mm²·m/s |
| Maximum PV Value (Lubricated) | 1.65 N/mm²·m/s |
Product Availability
- Standard cylindrical bushings, flanged bushings, thrust washers, and slide plates
- Custom-designed solid metal bearings and materials available
- Alternative materials can be manufactured based on specific requirements
Industrial Applications
JDB-50 graphite plugged tin bronze oilless bearings are extensively used in continuous casting machines, mining machinery, marine equipment, steam turbines, and other heavy industrial applications requiring reliable, maintenance-free bearing solutions.
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Company
Jiaxing Joyreap Precision Machinery Co.,Ltd
Location
No 168 Kapa Road Dayun Town Jiashan Zhejiang China
Contact Person
Catherine Hu