103 Inch Four Point Contact Ball Slewing Ring Bearing With Inside Gear 2625 By 2978 By 144 mm Heavy Duty Industrial Slewing Bearing For Large Equipment And Construction Machinery

103-Inch Four-Point Slewing Bearing with Inside Gear
✔️ Inside-gear four-point slewing bearing; 2625×2978×144 mm (Single)

This heavy-duty four-point contact ball slewing bearing with inside gear supports large, slow-turning loads. It’s commonly used on cranes, wind turbine bases, and other rotating platforms where a stable, long-lasting pivot matters. This is a single-bearing solution for direct mounting.

✅ Outer diameter 2978 mm (117.36 in), inner diameter 2625 mm (103.35 in)
✅ Width/height 144 mm (5.67 in)
✅ Inside gear configuration for direct mounting
✅ Four-point contact geometry for high radial and axial loads
✅ Suitable for cranes, wind turbines, and industrial turntables

💡 What is a slewing bearing used for in heavy equipment like cranes and wind turbines? This pivot device enables rotation of large platforms while handling heavy, multi-axis loads.

- Provides rotation for large platforms with stable load support - Handles radial and axial loads in a single compact unit - Inside-gear design simplifies mounting and gear interface - Common in cranes, wind turbines, and heavy machinery