Fire-Rated Stainless Steel Bearing Hinge is certified fire-resistant with high-temperature stability. Bearing design ensures smooth long-term rotation, stainless steel material brings superior rust and corrosion resistance. Durable and safe, it is widely used for fire doors, emergency exit doors, commercial buildings, basement passages and damp environment fireproof installations.
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