Components

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 - 4,411.2 mm

  • Rolling element diameter - 50 mm

  • Raceway diameter - 4,000 mm

  • Gear module - 24 mm

Product category
Roller bearing slewing rings
External diameter
4,411.2 mm
Rolling element diameter
50 mm
Raceway diameter
4,000 mm
Gear module
24 mm
Number of raceways
3
Weight
6,578 kg
Inner diameter
3,735 mm
Total height
268.0 mm
External pitch circle diameter
4,200 mm
Inner pitch circle diameter
3,825 mm
Number of bores, external
60
Number of bores, internal
60
Size of bolts, external
M42
Size of bolts, internal
M42
Number of teeth
181
Profile shift
12.0 mm
Tooth width
203.0 mm
Static load rating
73,992 kN
Dynamic load rating
7,442 kN