Three Pack 4.5 Inch by 4.5 Inch Commercial Grade Ball Bearing Door Hinges With Non Removable Pin UL Listed And 3 Hour Fire Rated Full Mortise JS-5BB1 Matte Black Ideal For High Traffic Commercial Doors In Offices And Schools And Other Busy Environments

Commercial-grade 3-pack ball bearing door hinges 4.5 in x 4.5 in
✔️ 3 hinges, 4.5 in. x 4.5 in., non-removable pin, UL listed

This is a 3-pack of commercial-grade ball bearing door hinges built for heavy-traffic doors. Matte black finish, full mortise design, and non-removable pins deliver secure, smooth operation in offices, storefronts, and industrial spaces. UL listed and 3-hour fire rated for safety compliance. Size: 4.5 in. x 4.5 in. (114.3 mm x 114.3 mm). Weight capacity up to 255 lbs per set. Includes mounting screws.

✅ Size: 4.5 in. x 4.5 in. (114.3 mm x 114.3 mm) full mortise
✅ Non-removable pin adds security on busy doors
✅ UL-listed and 3-hour fire rated for safety compliance
✅ Includes mounting screws for quick installation
✅ Pack of 3 hinges supports doors up to 255 lbs

💡 What is a door hinge with ball bearing used for and why pick UL-listed, fire-rated hinges?

This handy hinge is built to keep heavy doors moving smoothly and safely in busy spaces. It combines a durable finish with solid construction for long service life.

• Designed for high-traffic entrances like office corridors, storefronts, and industrial doors
• Ball bearings reduce friction, decrease wear, and cut noise on frequent use
• UL listing and 3-hour fire rating help meet building safety and code requirements
• Non-removable pin adds security, keeping doors aligned in busy environments