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Liebherr roller bearing slewing rings are suitable for medium to high loads. The linear load transfer allows them to transfer much higher forces in the same installation space compared to four-point bearings and makes them particularly suitable for larger diameters. Typical applications are mining excavators or large crawler cranes, offshore and mobile harbour cranes. Roller bearings by Liebherr have also been tried and tested in drilling rigs and deep foundation machines.

  • Product category - Roller bearing slewing rings

  • External diameter - 4,238 mm

  • Rolling element diameter - 40 mm

  • Raceway diameter - 4,000 mm

  • Gear module - 24 mm

Product category
Roller bearing slewing rings
External diameter
4,238 mm
Rolling element diameter
40 mm
Raceway diameter
4,000 mm
Gear module
24 mm
Number of raceways
3
Weight
4,810 kg
Inner diameter
3,624 mm
Total height
220.0 mm
External pitch circle diameter
4,160 mm
Inner pitch circle diameter
3,835 mm
Number of bores, external
72
Number of bores, internal
72
Size of bolts, external
M36
Size of bolts, internal
M36
Number of teeth
-,152
Tooth width
170.0 mm
Static load rating
59,066 kN
Dynamic load rating
5,529 kN

Production sites

Liebherr manufactures customised slewing bearings at the following locations:

Contact

Production sites

Liebherr manufactures customised slewing bearings at the following locations:

Engineering expertise

As an engineering partner for slewing bearings, Liebherr uses state-of-the-art processes - starting from development through to production.

Engineering for slewing bearings

Contact

Please contact us – we will answer your questions and put together an individual offer for you. If you need a component as a spare part for your Liebherr machine, please contact your local service partner.

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Engineering expertise

As an engineering partner for slewing bearings, Liebherr uses state-of-the-art processes - starting from development through to production.

Engineering for slewing bearings