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Help CenterLaminated Rubber Bearing for Bridge, 200mm x 300mm x 50mm, Shear Modulus 0.8 MPa
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At Hengshui Ruibin New Materials LLC, we specialize in delivering high-performance laminated rubber bearings designed for bridge applications. Our 200mm x 300mm x 50mm Laminated Rubber Bearing with a shear modulus of 0.8 MPa combines advanced elastomeric technology with precise manufacturing, ensuring reliable support and flexibility for a wide range of bridge structures. Since our establishment in 2019, we have grown into a trusted manufacturer with a 1,000–3,000 sqm factory, a dedicated team of 101–200 employees, and an annual export value of US$2.5–5 million, serving markets across North America, South America, Europe, Africa, Asia, and Oceania.
Our laminated rubber bearings are engineered to accommodate structural movements, absorb vibrations, and distribute loads evenly, extending the service life of bridges while minimizing maintenance. The 0.8 MPa shear modulus provides excellent flexibility for moderate displacement, making these bearings ideal for small to medium-span bridges. Each unit is constructed from alternating layers of high-quality rubber and steel plates, vulcanized together to ensure superior bond strength and durability.
Key Features & Technical Specifications
- Precise Dimensions: 200mm (length) × 300mm (width) × 50mm (thickness) – suitable for standard bridge bearing applications.
- Shear Modulus 0.8 MPa: Optimized for lateral displacement capacity while maintaining vertical stiffness.
- Laminated Construction: Multiple thin rubber layers bonded to steel plates, preventing bulging and ensuring stable performance under load.
- High Durability: Resistant to ozone, UV, aging, and temperature variations (typical range: -40°C to +70°C).
- Low Maintenance: No need for lubrication or regular adjustment, reducing lifecycle costs.
- Customizable Options: Hardness, load capacity, and shape can be tailored to meet specific project requirements.
| Parameter | Value |
|---|---|
| Length × Width × Thickness | 200mm × 300mm × 50mm |
| Shear Modulus | 0.8 MPa |
| Maximum Vertical Load (approx.) | 500 kN (customizable) |
| Maximum Horizontal Displacement | ±15mm (based on design) |
| Rubber Hardness (Shore A) | 60 ±5 (customizable) |
| Operating Temperature Range | -40°C to +70°C |
Benefits for Your Bridge Projects
- Enhanced Structural Safety: The laminated design accommodates thermal expansion, concrete creep, and traffic-induced vibrations, preventing stress concentration.
- Cost-Effective Solution: Long service life (typically 20–30 years) and minimal maintenance reduce total ownership cost.
- Easy Installation: Lightweight and compact, can be placed directly on bearing pads without special equipment.
- Versatile Application: Suitable for girder bridges, slab bridges, and culverts, both in new construction and retrofit projects.
- Consistent Quality: Every batch undergoes strict factory testing for shear modulus, compression set, and bond strength.
Frequently Asked Questions (FAQ)
-
Q: What is the typical lifespan of this laminated rubber bearing?
A: With proper installation and under normal bridge conditions, the bearing can last 20–30 years. The rubber compound is formulated to resist aging and environmental factors. -
Q: Can you customize the dimensions or shear modulus?
A: Yes, we offer customization. Please contact us with your specific requirements (length, width, thickness, shear modulus, and load capacity). -
Q: How does the bearing handle lateral movement?
A: The 0.8 MPa shear modulus allows for moderate horizontal displacement (up to ±15mm depending on thickness). For larger movements, we can adjust design parameters. -
Q: Is the bearing resistant to corrosion and chemicals?
A: The rubber cover is resistant to water, salts, and many chemicals. The internal steel plates are fully encapsulated in rubber, preventing corrosion. -
Q: What testing do you perform before shipment?
A: We conduct compression tests, shear modulus tests, adhesion tests, and visual inspections. Quality reports are available upon request. -
Q: What is the minimum order quantity (MOQ)?
A: Standard MOQ is 50 pieces, but we can accommodate smaller orders for sample or trial projects. Please inquire. -
Q: How do you package the bearings for export?
A: Bearings are stacked in wooden crates with foam separators to prevent damage during transit. We ship from Tianjin or Qingdao ports. -
Q: Do you provide installation guidance?
A: Yes, we offer basic installation instructions. For complex projects, technical support can be arranged.
As a reliable manufacturer with over US$2.5 million in annual exports and a skilled workforce of 101–200 employees, Hengshui Ruibin New Materials LLC is committed to delivering high-quality laminated rubber bearings that meet international standards. Our factory in Hengshui, Hebei, China, is equipped with modern production lines and testing facilities, ensuring every product meets strict quality criteria. We have successfully supplied bearings to projects across North America, Europe, Southeast Asia, and Africa, earning trust for our consistent performance and competitive pricing.
Choose our 200mm x 300mm x 50mm Laminated Rubber Bearing with Shear Modulus 0.8 MPa for your bridge construction or maintenance needs. Contact us today for a quotation, technical datasheet, or sample. We look forward to providing a solution that enhances the safety and longevity of your infrastructure.
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