https://www.jyhinge.com/products/ball-bearing-door-hinge/ Our ball bearing exterior door hinges are a high-quality hardware component designed to provide smooth and efficient operation of doors. These bearing type hinges are characterized by their durability, strength, and smoothness, thanks to the ball bearings that reduce friction during use. These bearing door hinges are typically made of robust materials like stainless steel or brass, ensuring longevity and resistance to wear and tear. Ball Bearing Door Hinges are also known for their easy installation process and versatility, as they can be used on various types of doors, including residential, commercial, and industrial doors.