CuZn25Al6Fe3Mn3 Oilless Bronze Bushing with Graphite Rings - 50 MPa Load Capacity, -40°C to +300°C Temperature Range
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
PVB
Product Description
Product Overview
JDB-60 solid lubricant rings filled bronze oilless bearing is manufactured using centrifugal casting high-strength brass with embedded graphite rings. This self-lubricating bearing is specifically designed for mold industry applications, providing reliable performance without external lubrication.
Material Composition
Base Material: CuZn25Al6Fe3Mn3 with Graphite
Custom base materials available upon request
CuZn25Al6Fe3Mn3 Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Cu | 60.00 | 66.00 |
| Pb | 0.00 | 0.20 |
| Sn | 0.00 | 0.20 |
| Zn | 22.00 | 28.00 |
| Fe | 2.00 | 4.00 |
| Ni | 0.00 | 1.00 |
| Al | 5.00 | 7.50 |
| Mn | 2.50 | 5.00 |
Key Characteristics
- Friction heat causes solid lubrication material expansion, creating transfer membrane on shaft
- Reduces friction coefficient and minimizes shaft wear
- Extended service life under demanding conditions
- Ideal for reciprocating linear motion applications
Product Availability
- Cylindrical oilless bushings
- Flanged oilless bushings
- Custom designs and materials available
Applications
Guide bushings for precision molds and precision guide rails in industrial manufacturing.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | CuZn25Al6Fe3Mn3 |
| Density | 8 g/cm³ |
| HB Hardness | ≥210 |
| Tensile Strength | ≥750 MPa |
| Yield Strength | ≥450 MPa |
| Elongation | ≥12% |
| Thermal Expansion Coefficient | 1.9×10⁻⁵/°C |
| Operating Temperature | -40°C to +300°C |
| Maximum Load | 50 MPa |
| Maximum Speed (Dry) | 0.5 m/s |
| Maximum Speed (Lubricated) | 1 m/s |
| Maximum PV (Dry) | 1.65 N/mm²·m/s |
| Maximum PV (Lubricated) | 3.25 N/mm²·m/s |
Mounting Recommendations
- Housing: Mounting bevel minimum 1.5 mm × 15-45°
- Shaft Material: Hardened steel with surface roughness
- Shaft: Mounting bevel 5 mm × 15° with rounded edges
- Force fitting mandrel recommended for installation
- Grease lubrication of outer surface may be necessary during mounting
Quality Assurance
15+ Years Manufacturing Experience
Advanced QC Equipment
Professional Production Team
Automated Mass Production
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jiashan PVB Sliding Bearing Co.,Ltd
Contact Person
Catherine Hu