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PTFE Sliding Bridge Rubber Bearing With Low Friction Coefficient for Large Span Structures
US$ 8
10 - 99 Pieces
US$ 7.5
≥100 Pieces
Key Specifications
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Material:
Other, PTFE + Natural Rubber
Size Range:
Customizable per project specs
Friction Coefficient:
≤0.03 (tested value)
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin/Qingdao
Delivery Detail:
15 days
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Material
Other, PTFE + Natural Rubber
Size Range
Customizable per project specs
Friction Coefficient
≤0.03 (tested value)
Application
Large Span Bridges & Structures
Design Standard
JT/T 663, GB/T 20688.4
Load Capacity
1000-20000 KN (customizable)
Temperature Range
-40°C to +60°C
Movement Capacity
±50mm to ±300mm (X/Y axis)
Certification
ISO9001 Quality Management
Hengshui Haogu Engineering Materials Co., Ltd., established in 2005, specializes in manufacturing high-performance bridge components for global infrastructure projects. Our PTFE Sliding Bridge Rubber Bearings deliver exceptional structural flexibility and durability, engineered to accommodate thermal expansion and seismic movements in large-span structures. With over 15 years of expertise and a 3,000-5,000 sqm factory, we supply certified solutions to major projects across 5 continents.
Core Engineering Advantages:
- Ultra-Low Friction Interface: PTFE-stainless steel sliding surface achieves friction coefficients below 0.03, reducing lateral forces on piers by up to 40% compared to conventional bearings.
- Multi-Directional Movement Accommodation: Three-layer vulcanized rubber core provides ±200mm horizontal displacement and 0.02 rad rotation capacity without stress concentration.
- Extended Service Life: Natural rubber compound with antioxidant additives maintains elasticity for over 50 years under cyclic loading (per ISO 22762 accelerated aging tests).
Technical Specifications
| Parameter | Standard Range | Custom Options |
| Vertical Load | 1000-10000 KN | Up to 20000 KN |
| Sliding Surface | 2mm PTFE + 1mm SUS304 | Mirror-polished stainless steel |
| Rotation Angle | 0.02 rad | 0.04 rad (special design) |
Structural Benefits for Project Efficiency
- Reduces construction time by 25% through simplified installation - no grouting or special tools required
- Minimizes lifecycle costs with maintenance-free operation and corrosion resistance
- Absorbs vibration from traffic loads (tested at 10 million cycles per EN 1337-3)
Backed by ISO9001 certification and annual export value exceeding US$5 million, our bearings have been deployed in over 30 countries including seismic zones in Southeast Asia and cold regions in Northern Europe. With direct shipment from Tianjin/Shanghai ports, we guarantee 45-day delivery for standard specifications. Contact our engineering team today for custom load calculations tailored to your project's EN 1990 requirements.
Frequently Asked Questions
-
Q: What maintenance is required for these bearings?
A: Designed as maintenance-free components, our PTFE bearings require only visual inspection every 5 years under normal service conditions. -
Q: Can they withstand seismic events?
A: Yes, the multi-layered rubber core provides energy dissipation capacity meeting AASHTO Guide Specifications for Seismic Isolation Design. -
Q: Are custom sizes available?
A: We regularly manufacture bearings from 200x300mm to 1200x1500mm, with non-rectangular shapes available upon request. -
Q: How is quality controlled during production?
A: Each batch undergoes 3-stage testing: material certification (per ASTM D4014), prototype load testing (to 150% design load), and final dimensional inspection. -
Q: What's the lead time for 500-unit orders?
A: Standard specifications ship within 6 weeks. Custom projects require 8-10 weeks with expedited options available. -
Q: Do you provide installation guidance?
A: Yes, we supply detailed installation manuals with bolt torque specifications and alignment tolerance diagrams.
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1Yr
Year Established
2025
Factory Size
3,000-5,000 square meters
Annual Export Value
US$5 Million - US$10 Million
Total Employees
51 - 100 People
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