AlSn20Cu Tin Aluminum Bimetal Bushing with Steel Back - 100 N/mm² Load Capacity, 15 m/s Speed Rating
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 days
Brand:
Joyreap
Product Description
ZR-034 AlSn20Cu Bimetal Bearing
Steel-backed tin aluminum alloy bimetal bushing with AlSn20Cu sintered bronze alloy layer. Features excellent oil corrosion resistance, smooth surface finish, outstanding embeddability, and superior anti-seizure performance. ROHS compliant (2000/53/EC).
Material Structure
- Sintered Tin Aluminum Alloy AlSn20Cu: 0.2-0.5mm thickness layer providing excellent self-lubricating properties
- Steel Backing: Low carbon steel base delivering superior mechanical strength and durability
Performance Characteristics
- Medium fatigue-resistance with excellent load capacity (100 N/mm² max dynamic load)
- Superior corrosion resistance and surface properties for smooth sliding movement
- High-speed capability up to 15 m/s with oil lubrication
- Temperature resistance up to 250℃ with oil lubrication
Product Availability
- Standard cylindrical bimetal bushes and thrust washers
- Bimetal strips in various dimensions
- Custom-designed bimetal bearings available with quick turnaround
Industrial Applications
- Bushings for medium and small power internal combustion engines
- Train engine components and air compressor systems
- Superior replacement for traditional babbitt metal applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Material Composition | Steel + AlSn20Cu |
| Alloy Layer Hardness | 30-40 HB |
| Max Dynamic Load | 100 N/mm² |
| Max Speed (Oil Lubrication) | 15 m/s |
| Max PV Limit (Oil Lubrication) | 8 N/mm²*m/s |
| Friction Coefficient (Oil Lubrication) | 0.05-0.2 |
| Max Temperature (Greased) | 150℃ |
| Max Temperature (Oil Lubrication) | 250℃ |
| Thermal Conductivity | 47 W/mk |
| Coefficient of Linear Expansion | 18×10⁻⁶/K⁻¹ |
| Match Axis Hardness | ≥270 HRC |
| Match Axis Roughness | 0.16-0.63 Ra |
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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