Four Point Contact Ball Slewing Ring Bearing With Inside Gear, 1428mm By 1712mm By 89mm Inner Gear Slewing Bearing For Heavy Machinery, 56 Inch Diameter Rotary Bearing For Slow Turning Or Oscillating Loads, High Load Capacity And Precision

This 56-inch ball slewing ring bearing with inside gear is a heavy-duty rotation solution used to turn large platforms. Typical applications include cranes, wind turbine hubs, track systems, and other machinery requiring slow, controlled rotation with high load capacity.

✅ Outer diameter 1428 mm
✅ Overall width 89 mm (face to face)
✅ Inside gear configuration for precise drive
✅ Four-point contact design handles heavy radial and axial loads
✅ Suitable for cranes, wind turbines, and industrial platforms

💡 What is a slewing ring bearing used for in heavy machinery and large industrial equipment?

It’s a handy solution for turning big, heavy platforms with controlled motion.

• Rotates large structures such as cranes, wind turbine hubs, and rotating worktables
• Four-point contact design increases stiffness and load capacity under slow-turning operation
• Inner gear option enables direct drive with the gear ring, reducing backlash and simplifying integration