Space Frame Rubber Bearing – Ultimate Guide for Steel Grid Structure

Space frame rubber bearing, also known as grid structure rubber support, is a critical structural component widely used in steel space frame projects. It transfers vertical loads, accommodates thermal expansion, contraction, rotation and minor horizontal displacement for roof grid systems, complying with EN 15129 anti-seismic device standards.

What Is Space Frame Rubber Bearing?

A space frame rubber bearing consists of high-quality natural rubber laminated with reinforcing steel plates, vulcanized as an integrated unit. The steel layers enhance vertical compression stiffness while the rubber layer provides flexibility for rotation and horizontal movement. Unlike fixed rigid supports, rubber bearings can absorb vibration and mitigate stress concentration caused by temperature change, wind load or seismic excitation. It effectively protects the whole space frame structure from cracking and deformation.

Main Types

We supply multiple types to meet different project requirements:

Flat Space Frame Rubber Bearing: Basic type for small displacement and rotation, widely used in exhibition halls, gymnasiums and warehouse roofs.

Sliding Space Frame Rubber Bearing: Equipped with PTFE sliding layer, designed for large horizontal displacement scenarios.

Anti-seismic Space Frame Rubber Bearing: Enhanced damping performance for seismic zones, conforming to EN15129.

Key Technical Performance

Our rubber bearings are manufactured under strict quality control:

High vertical bearing capacity

Good rotation performance to release bending moment

Excellent weather resistance, anti-ageing and ozone resistance

Stable performance under long-term cyclic load

Customizable size, thickness and load rating according to engineering drawings

Typical Applications

Space frame rubber bearings are preferred for large-span steel grid roof projects: sports stadiums, airport terminals, railway stations, exhibition centers, shopping malls, industrial warehouses and canopy structures. Proper bearing selection reduces structural internal force, extends service life and improves overall structural safety.

Installation Notes

Clean the contact surface before installation. Place the bearing centrally under the space frame node. Avoid sharp impact or excessive compression during construction. Professional inspection after installation is required to verify working status. Correct installation ensures the safe and stable operation of space frame structures in various complex engineering environments.

About Us

We are a professional manufacturer specializing in seismic isolation bearings, space frame rubber bearings and structural vibration control products. With rich export experience, we provide custom design, technical calculation, factory test reports and one-stop solutions for global construction contractors.

Contact Us

Ready to start your next bridge project? Our engineering team is ready to help you choose the right bearing solution, answer your technical questions, and prepare a competitive quotation tailored to your specific project requirements.