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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.

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  • Product category - Roller bearing slewing rings

  • External diameter - 4,363.2 mm

  • Rolling element diameter - 40 mm

  • Raceway diameter - 4,000 mm

  • Gear module - 24 mm

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Product category
Roller bearing slewing rings
External diameter
4,363.2 mm
Rolling element diameter
40 mm
Gear module
24 mm
Number of raceways
3
Total height
220.0 mm
Inner pitch circle diameter
3,840 mm
Number of bores, external
72
Number of bores, internal
72
Size of bolts, internal
M36
Number of teeth
179
Static load rating
59,066 kN
Raceway diameter
4,000 mm
Size of bolts, external
M36
Inner diameter
3,762 mm
Tooth width
170.0 mm
External pitch circle diameter
4,165 mm
Dynamic load rating
5,529 kN
Weight
4,805 kg
Profile shift
12.0 mm