Gunmetal Centrifugal Solid Bronze Bearing CuSn7Zn4Pb7 with 60 MPa Load Capacity and -40 to +400°C Temperature Range
Price:
Negotiable
MOQ:
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Delivery Time:
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Product Description
Product Overview
JDB-1U P40 gun-metal centrifugal cast solid bronze bearing is manufactured from CuSn7Zn4Pb7 bronze alloy with integrated oil grooves. This high-performance sliding bearing offers exceptional anti-wear characteristics and is also known as gun metal bushing bearing, solid turned bronze sliding bearing, CNC turned bronze self-lubricating bearing, or RG7 bronze turned solid bearing.
Material Specifications
CuSn7Zn4Pb7 Bronze Alloy Composition
| Element | Minimum % | Maximum % |
|---|---|---|
| Copper (Cu) | 81.00 | 85.00 |
| Lead (Pb) | 5.00 | 8.00 |
| Tin (Sn) | 6.00 | 8.00 |
| Zinc (Zn) | 2.00 | 5.00 |
| Nickel (Ni) | 0.00 | 2.00 |
| Iron (Fe) | 0.00 | 0.20 |
| Phosphorus (P) | 0.00 | 0.10 |
| Antimony (Sb) | 0.00 | 0.30 |
Product Availability
Cylindrical cast bronze bushing
Flanged solid bronze bushing
Bronze thrust washer
Custom designs available according to your specifications
Applications
JDB-1U P40 cast bronze solid bearing is widely used in construction industry, mining industry, agriculture industry, and various industrial applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | CuSn7Zn4Pb7 |
| Density | 8.9 g/cm³ |
| HB Hardness | ≥70 |
| Tensile Strength | ≥260 MPa |
| Yield Strength | ≥120 MPa |
| Elongation | ≥12% |
| Thermal Expansion Coefficient | 1.8×10⁻⁵/°C |
| Maximum Operating Temperature | -40 to +400°C |
| Maximum Load Capacity | 60 MPa |
Mounting Recommendations
Housing: Mounting bevel, minimum 1.5 mm × 15-45°
Shaft Material: Hardened steel with surface roughness < Rz 6.3
Shaft: Mounting bevel, 5 mm × 15° with rounded edges
Force fitting mandrel recommended with possible grease lubrication of outer surface during mounting
Quality Assurance
15+ Years Manufacturing Experience
Advanced QC Inspection Equipment
Professional Production Team
Automated Mass Production
Professional QC Inspection Team
Customer-Focused Sales Team
Perfect Customer Service
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Company
Jiashan PVB Sliding Bearing Co.,Ltd
Contact Person
Catherine Hu