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Double Row Ball Slewing Bearing

Double Row Ball Slewing Bearing

Increase the load capacity up to 80% compared to the same-sized single row ball slewing bearing

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There are two kinds of double-row ball slewing bearings. One is with different ball diameters used in light weight application. The other one is eight-point contact bearings with two same ball raceways. You can simply think of it as two single-row ball bearings stacked together.

 

The double row ball slewing ring has three seat rings. It could also bear axial load, radial load, and tilting moment simultaneously. This structure increases the load capacity up to 80% compared to the same-sized single row ball slewing bearing, but has a smaller profile than a three-row roller slewing bearing design.

 

They can accommodate greater axial load, provide higher safety, which makes them particularly suitable for heavy-duty applications, like large diameter tower cranes, truck mounted cranes etc.

  • Eight-point contact, double row ball slewing ring bearing series

  • For mid-to-heavy load applications

  • Suitable for vibration conditions

  • Insensitive to rough mounting structure

  • Provide high load for a restricted installation space

  • Available in no-geared, internally geared and externally gear versions

  • Available in gears induction hardened versions

  • Available in outer diameters of 300mm-2000mm. Other sizes are available upon request.

  • Available in different corrosion protection coatings

  • Matching pinions are available for all slewing bearings. 

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