UL Listed Fire Rated Stainless Steel Ball Bearing Butt Metal Commercial Interior Door Hinge

Technical specifications

Customization guide

Adjustable hinge plates accommodate door thicknesses from 1.5" to 2.5", while multiple mounting hole configurations enable precise alignment. Customize the number of ball bearings (2-4) to balance load capacity and smoothness for specific door weights.

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With its UL fire rating and stainless steel construction, this hinge is ideal for office building entrances, server room doors, or industrial applications where safety and longevity are critical. The minimalist design ensures seamless integration with modern architectural styles.

Choose your model

Supplier's note

1. Three Technical Breakthroughs:

   • UL Fire Rating: The Pro Model’s 180-minute fire resistance exceeds industry standards, enabling safe evacuation in emergencies.
   • Ball Bearing Integration: With up to 4 bearings, the Pro Model offers 20% smoother operation than traditional hinges, reducing wear and tear.
   • Stainless Steel Construction: Corrosion resistance ensures longevity in humid or chemical-exposed environments.

2. Optimal Version Selection:

   • Base Model: Ideal for standard office doors (≤500 lbs) where cost-efficiency is prioritized.
   • Advanced Model: Best for warehouses or industrial spaces needing +15% load capacity without compromising fire safety.
   • Pro Model: Required for high-security areas (e.g., data centers) needing double fire resistance and maximum durability.

With the Pro Model’s 180-minute fire rating, you can ensure compliance in critical infrastructure. Pair its 4-ball bearing design with stainless steel for 30% quieter operation in premium office suites. The Advanced Model’s enhanced load capacity suits heavy-duty doors in manufacturing facilities, while the Base Model balances affordability for standard commercial use.