Four-Point Contact Slewing Ring Bearing With Inside Gear, 18 Inch 458x662x80mm Ball Slewing Bearing For Heavy Load Rotation, High Precision Slewing Ring For Construction Machinery And Industrial Equipment

This 18-inch four-point contact slewing ring bearing features an inside gear design, built to support heavy rotating platforms. It's designed to handle axial, radial, and moment loads while delivering smooth rotation at slow speeds in cranes, wind turbine hubs, and other large machinery.

✅ Outer diameter: 662 mm (26.1 in)
✅ Bore: 458 mm (18.0 in)
✅ Width: 80 mm (3.15 in)
✅ Inside gear configuration for direct drive
✅ Four-point contact design for stable load handling

💡 What is a slewing ring bearing used for? A handy, heavy-duty component that lets big structures rotate smoothly. - Heavy-load support for cranes and turbine hubs - Inside-gear design for compact drive integration - Four-point contact provides stable rotation under load - Long service life with sealing against dust and moisture