Fire-Rated Stainless Steel Bearing Hinge
Fire-rated stainless steel bearing hinge delivers smooth, low-friction operation and consistent load-bearing performance while meeting fire-resistance ratings for fire-rated door assemblies. For commercial and institutional doors, it fits standard mounting patterns to simplify installation and minimizes maintenance through corrosion and wear resistance, extending service intervals and reducing total lifecycle costs.
Model No.
4"x3"x3mm
4'x3.5"x3mm
4"x4"x3mm
4.5"x4"x3mm
5"x3"x3mm
5"x4"x3mm
Product features
• Equipped with ball bearings; available in 2-bearing or 4-bearing configurations.
• Proprietary set-screw structure ensures hinge strength and prevents the cap from falling off.
• Ultra-precision machining guarantees smooth rotation with zero wobble or clearance.
• Innovative manufacturing process ensures near-perfect rolled edges.
• Suitable for wooden and steel doors.
• Wear-resistant and maintenance-free.
• Filled with high-grade imported bearing damping oil.
• Specifically designed for fire doors; passed 105-minute fire resistance testing.
• Passed 300,000-cycle durability testing.
Specifications
| Material | SUS304 / SUS201 Stainless Steel | Leaf Thickness | 3mm |
| Surface Finish | Brushed, Polished & PVD Plated, Qinggutong (Bronze) | Load Capacity (3-piece set) | 70-85kg |
| Hardware | Stainless Steel Wood Screws / Machine Screws | Export Qualification | Authorized Exporter |
| Port | ZHONGSHAN/SHENZHEN/GUANGZHOU | Min. Order Quantity | 1000 pcs |
| Payment Terms | L/C, T/T, Cash, Paypal | ODM & OEM | Available |
| Certification | BSCI / CE / UL |
Product details