White PTFE Composite Self-Lubricating Bushing with Steel Back - 140N/mm² Load Capacity, -195℃ to 280℃ Temperature Range
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 days
Brand:
Joyreap
Product Description
Product Overview
ZR-016 white PTFE self-lubricating bearing features a steel back, sintered bronze layer, and high-purity white PTFE composite construction. This DU bushing is engineered for demanding applications including planetary gear systems in gearboxes, offering performance comparable to P141 lead-free composite plain bearings.
Material Structure
1. White PTFE
2. Sintered bronze layer
3. Steel Back
4. Dark Tin Plating
Key Characteristics
- Excellent self-lubricating performance
- Superior wear resistance for extended service life
- High fatigue strength under dynamic loads
- Long operational lifespan in demanding conditions
Primary Applications
- Sliding components in planetary gear systems
- Shifting fork mechanisms
- Sliding parts within solenoid valves
Technical Specifications
| Parameter | Value |
|---|---|
| Friction Coefficient (μ) | 0.04-0.20 |
| Operating Temperature Range | -195℃ to 280℃ |
| Maximum Allowable PV Value (Dry) | 3.6 N/mm²*m/s |
| Maximum Sliding Speed | 5 m/s |
| Maximum Allowable PV Value (Oil) | 50 N/mm²*m/s |
| Maximum Load Pressure | 140 N/mm² |
Tolerance Specifications
- Housing: ØH7
- Bushing inner diameter after mounting: H9
- Shaft tolerance: f7 to h8
Mounting Recommendations
- Housing: Minimum mounting bevel 1.5 mm x 15-45°
- Shaft Material: Steel (hardened or untempered) with surface roughness ≤ Rz 2-3
- Shaft: Mounting bevel 5 mm x 15° with rounded edges
- Use appropriate force fitting mandrel for installation
- Grease lubrication of outer surface may be required during mounting
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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