Four-point contact ball bearings

SKF Bearings: Precision Solutions with Slewing Bearings and Four-Point Contact Ball Bearings

 

SKF Bearings is a globally recognized leader in bearing technology, offering high-performance solutions for demanding industrial applications. Among its diverse product portfolio, slewing bearings and four-point contact ball bearings stand out for their reliability, versatility, and engineering excellence.

Slewing bearings manufactured by SKF are designed to support axial, radial, and moment loads simultaneously, making them ideal for heavy-duty applications such as cranes, excavators, wind turbines, and rotating machinery. These bearings are engineered to provide smooth rotational movement and excellent load-handling capacity, even under extreme operating conditions. SKF’s advanced sealing technology and surface treatments help ensure long service life and minimal maintenance requirements, which is critical for industries where uptime and durability are key. S

Within this category, four-point contact ball bearings play a vital role. These bearings are uniquely designed to accommodate axial loads in both directions, as well as limited radial loads. The internal construction features a single row of balls with a split inner or outer ring, enabling contact at four points. This design minimizes friction and enhances efficiency, especially in compact or space-constrained assemblies. SKF’s four-point contact ball bearings are often integrated into slewing rings, where their compact design and high load capacity offer significant performance benefits.

SKF’s commitment to innovation and quality ensures that every bearing is manufactured to the highest standards. Whether it’s in construction, energy, transportation, or industrial automation, SKF slewing bearings and four-point contact ball bearings provide dependable motion and support where it matters most. Backed by SKF’s global engineering expertise and technical support, customers can rely on these components to deliver optimal performance and long-term reliability.

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Designation Bore diameter Outside diameter Width Mass
KDN.RK6-33E1Z
734.06 mm
944.88 mm
56.007 mm
68.9 kg
KDN.RK6-16P1Z
304.038 mm
517.906 mm
56.007 mm
26.3 kg
KDN.RK6-22N1Z
447.04 mm
647.954 mm
56.007 mm
40.8 kg