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 - 2,421 mm

  • Rolling element diameter - 26 mm

  • Raceway diameter - 2,240 mm

  • Gear module - 18 mm

Product category
Roller bearing slewing rings
External diameter
2,421 mm
Rolling element diameter
26 mm
Raceway diameter
2,240 mm
Gear module
18 mm
Number of raceways
3
Weight
1,406 kg
Inner diameter
1,944 mm
Total height
147.0 mm
External pitch circle diameter
2,355 mm
Inner pitch circle diameter
2,115 mm
Number of bores, external
48
Number of bores, internal
48
Size of bolts, external
M30
Size of bolts, internal
M30
Number of teeth
-,109
Tooth width
117.0 mm
Static load rating
21,409 kN
Dynamic load rating
2,294 kN