30 Inch Four Point Contact Slewing Ring Bearing With Inside Gear 752x980x63 mm Ball Slewing Bearing For Heavy Loads And Slow Rotational Or Oscillating Operation Ideal For Construction Equipment Industrial Machinery Rotary Tables And Crane Assemblies

A slewing ring bearing is a large rotational bearing designed to handle heavy loads while allowing the platform to rotate smoothly. This model uses an inside gear for direct drive coupling, and it's a go-to choice for heavy-duty rotating platforms such as cranes, wind turbine yaw systems, and large machine tables. It’s sized around 752 mm id and 980 mm od with a 63 mm width, making it ideal for industrial floors and outdoor use.

✅ Outer diameter 980 mm (38.58 in)
✅ Inner diameter 752 mm (29.57 in)
✅ Width 63 mm (2.48 in)
✅ Inside gear for direct drive engagement
✅ Suitable for heavy cranes, wind turbines yaw systems and large tables

💡 What is a slewing ring bearing used for in heavy machinery?

Handy, rugged rotation support for large platforms where precision matters.

• Keeps heavy, slow-rotating loads stable and controllable
• Inner gear version integrates with gear-driven actuation systems
• Common in cranes, wind-turbine yaw gear, and large rotary tables
• Durable construction stands up to outdoor industrial use