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Help CenterBasin Type Pot Bridge Bearing With Two-Way Sliding and Shock Absorption for Building Construction
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As a professional manufacturer of bridge bearings, Hengshui Ruibin New Materials LLC (established in 2019) is proud to present our Basin Type Pot Bridge Bearing with Two-Way Sliding and Shock Absorption – a high-performance solution designed specifically for modern building construction and infrastructure projects. Our factory, covering 1,000–3,000 square meters and staffed by 101–200 skilled employees, integrates advanced production lines and rigorous quality control to deliver reliable bearings that meet international standards. With an annual export value of US$2.5 million to US$5 million, we have successfully supplied bearings to markets across North America, South America, Europe, Southeast Asia, Africa, and the Middle East. This product combines the proven basin-type pot bearing design with bidirectional sliding capability and integrated shock absorption, offering engineers a versatile and durable support solution for structures subjected to dynamic loads, thermal movements, and seismic events.
The Basin Type Pot Bridge Bearing is engineered to transfer vertical loads while accommodating horizontal displacements and rotations. Its two-way sliding feature allows movement in both longitudinal and transverse directions, making it ideal for buildings with complex expansion joints or seismic isolation requirements. The built-in shock absorption system, utilizing elastomeric pads or damping elements, effectively dissipates energy during earthquakes or heavy traffic vibrations, reducing stress on the superstructure. Below we detail the key features, technical specifications, and benefits of this product.
Key Features & Benefits
Two-Way Sliding Capability: The bearing incorporates stainless steel sliding plates and PTFE surfaces to allow smooth, low-friction movement in both horizontal directions. This accommodates thermal expansion, contraction, and other movements without generating excessive stress on the structure.
Integrated Shock Absorption: A specially designed damping layer (elastomeric or lead-rubber based) is embedded within the bearing to absorb and dissipate seismic energy. This enhances the building’s resilience during earthquakes and reduces the risk of structural damage.
High Load Capacity: The basin-type pot design distributes vertical loads evenly through a confined elastomeric pad, providing high compressive strength and stability. Load capacities can be customized up to 20,000 kN or more.
Rotation Accommodation: The bearing allows rotation around any horizontal axis up to ±0.02 rad, ensuring uniform load distribution even under uneven settlement or deflection.
Durable Construction: Made from high-strength steel (typically Q345B or Q235B) with anti-corrosion coatings, the bearing is built to withstand harsh environments, including humidity, chlorides, and temperature extremes from -40°C to +60°C.
Low Maintenance: The sealed design prevents contamination of sliding surfaces, reducing the need for periodic lubrication or replacement. Service life typically exceeds 50 years under normal conditions.
Easy Installation: Pre-assembled units with anchor bolts and grouting ports simplify on-site installation, saving labor and time.
Technical Specifications (Typical Values)
| Parameter | Value Range |
|---|---|
| Vertical Load Capacity | 1,000 kN – 20,000 kN (customizable) |
| Horizontal Sliding Displacement | ±50 mm to ±200 mm (per direction) |
| Rotation Angle | ±0.02 rad (customizable) |
| Operating Temperature | -40°C to +60°C |
| Friction Coefficient | ≤ 0.03 (dynamic) |
| Damping Ratio | 10% – 15% (depending on elastomer) |
| Material – Upper/Lower Plate | Q345B / Q235B steel, hot-dip galvanized or epoxy coated |
| Sliding Surface | Stainless steel plate + PTFE sheet |
Why Choose Our Basin Type Pot Bridge Bearing?
Proven Manufacturing Excellence: Our factory is ISO9001:2015 certified, ensuring consistent quality from raw material inspection to final testing. Each bearing undergoes load testing, sliding friction testing, and dimensional verification before shipment.
Customization Flexibility: We understand that every project has unique requirements. We offer custom sizes, load capacities, displacement ranges, and coating options to match your specific structural design.
Global Export Experience: With an annual export value of US$2.5M–US$5M and shipments through Tianjin and Qingdao ports, we have delivered bearings to over 12 major markets worldwide. Our logistics team ensures timely delivery and proper packaging for sea freight.
Technical Support: Our engineering team provides free technical consultation, including bearing selection, installation guidance, and after-sales service. We can also supply detailed drawings and calculation reports upon request.
The Basin Type Pot Bridge Bearing with Two-Way Sliding and Shock Absorption is an ideal solution for building construction projects that require reliable movement accommodation and seismic protection. Its robust design, combined with our commitment to quality and customer support, makes it a trusted choice for contractors and engineers worldwide.
Frequently Asked Questions (FAQ)
Q1: What is the difference between a basin-type pot bearing and a standard pot bearing?
A: The basin-type design features a deeper, more robust pot that provides better confinement of the elastomeric pad, resulting in higher load capacity and enhanced rotational capability. Our product also includes two-way sliding and shock absorption, which are not always present in standard pot bearings.
Q2: Can this bearing accommodate both thermal expansion and seismic movements?
A: Yes. The two-way sliding function handles thermal expansion and contraction in both horizontal directions, while the integrated shock absorption system dissipates energy during seismic events. The combined functionality makes it suitable for structures in seismic zones and areas with significant temperature variations.
Q3: What is the typical lifespan of this bearing?
A: Under normal service conditions and proper maintenance, the expected lifespan exceeds 50 years. The sliding surfaces are protected by durable PTFE and stainless steel, and the elastomeric components are designed to resist aging and ozone cracking.
Q4: Do you provide installation instructions or on-site support?
A: Yes, we provide detailed installation manuals and drawings with each shipment. For large projects, our technical team can offer remote guidance or on-site assistance (subject to agreement). We also recommend consulting with a structural engineer for proper installation.
Q5: What certifications does your factory hold?
A: Our factory is certified under ISO9001:2015 and ISO9000 quality management systems. We also comply with international standards such as EN 1337 and AASHTO (upon request). Additional third-party testing reports are available upon request.
Q6: Can I order a sample or small quantity for testing?
A: Yes, we accept sample orders. Minimum order quantity (MOQ) for samples is typically 1–2 pieces. Please contact our sales team with your requirements, and we will provide a quotation and lead time.
Q7: How is the bearing packaged for export?
A: Each bearing is individually wrapped with protective film, then packed in wooden crates with foam padding to prevent damage during transit. For large quantities, we use steel pallets and shrink wrapping. All packaging meets international shipping standards.
Q8: What is the lead time for a standard order?
A: Lead time depends on the quantity and customization level. For standard sizes, typical production time is 15–25 working days after order confirmation and deposit. For custom designs, please allow 30–40 working days. We always confirm the schedule before order placement.
With over 5 years of manufacturing experience, a dedicated team of engineers, and a strong global presence, Hengshui Ruibin New Materials LLC is your reliable partner for high-quality basin-type pot bearings. We invite you to contact us for a quotation, technical data sheet, or to discuss your project requirements. Let us support your construction success with durable, innovative bearing solutions.
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