PVB011 Bronze Back PTFE Composite Bushing 0.7-2.3mm Backing with 250 N/mm Load Capacity
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
PVB011 PTFE lined self-lubricating DU-B bronze bearing features a bronze back with sintered bronze powder and PTFE layer. This sliding bearing is also known as DU-B Bushing, PAP P11 composite plain bearing, bronze back coated self-lubricating bushing, oil free bronze bushes, SF-1B oiless bearing, and plain dry sliding bronze bearings.
Material Structure
- PTFE with Pb 0.01~0.03mm
- Porous bronze 0.2~0.3mm
- Bronze backing 0.7~2.3mm
Performance Characteristics
- Excellent wear and friction performance across wide load, speed, and temperature ranges without lubrication
- Compatible with lubrication for enhanced performance
- Bronze backing provides superior corrosion resistance compared to steel back bushings
Technical Specifications
| Parameter | Value |
|---|---|
| Specific load capacity (static) | ≤ 250 N/mm |
| Specific load capacity (dynamic) | ≤ 140 N/mm at low speeds |
| Specific load capacity (rotating oscillating) | ≤ 60 N/m |
| Friction value | 0.03 to 0.25 |
| Temperature range | -200 to +280 °C |
| Max. dry running Pv (Short-term operation) | 3.6 N/mm/s |
| Max. dry running Pv (Continuous operation) | 1.8 N/mm/s |
| Max. speed (dry running) | 2 m/s |
| Max. speed (Hydrodynamic operation) | > 2 m/s |
Standard Dimensions
Tolerance Specifications
- Housing Ø: H7
- Bushing inner-Ø after mounting: H9
- Shaft tolerance: f7 to h8
Mounting Guidelines
- Housing: Mounting bevel min. 1.5 mm x 15-45°
- Shaft: Mounting bevel 5 mm x 15°, edges rounded
- Shaft Material: Steel, hardened or untempered, surface roughness ≤ Rz 2-3
- Use adequate force fitting mandrel; grease lubrication of outer surface may be necessary
- Adhesive should not contact the sliding surface
Industry Applications
PVB011 Bronze based DU bushing is widely used in steel metallurgy industry, cement grouting pumps and screw conveyors of machine, marine and offshore equipment, dyeing machinery and similar applications.
Manufacturing Excellence
Advanced QC Equipment
Professional QC Team
Automated Production
Customer Service Focus
With over 15 years of manufacturing experience, we provide professional production, advanced quality control systems, and comprehensive customer support for all bearing applications.
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Company
Jiashan PVB Sliding Bearing Co.,Ltd
Contact Person
Catherine Hu