1. Product Description: The excavator ring gear is the core transmission component of the slewing bearing system. Installed at the connection between the upper and lower excavator bodies, it precisely meshes with the slewing motor pinion, enabling smooth 360° rotation of the upper body. 2. Product Structure: A one-piece tooth design ensures smooth transmission and structural integrity. 3. Size Range: 800mm-2500mm. 4. Customization Supported: Whether you have specific size, tooth profile, or structure requirements, our engineering team can provide you with a professional custom solution.