Liebherr Slewing Drives

The new product line contains worm slewing drive units, spur gear slewing drive units and belt slewing drive units, and was unveiled at bauma 2019.

Liebherr Slewing Drive Units 300dpi

Liebherr Components presents a line of slewing drive units, expanding its existing bearing portfolio.

  • Maximum torque and easy servicing are the top benefits
  • Includes worm slewing drive units, spur gear slewing drive units and belt slewing drive units 
  • Driven by a hydraulic or electric motor
  • Available with one or more drives and with single or double-start worm shafts
  • Brake or position sensing unit can be optionally adapted in all units
  • Lubrication can be carried out with grease or oil

Worm slewing drive units

  • Ultra-compact units with high power density
  • Suitable for transmission of extremely high forces and torques within limited installation space
  • Find use in steering gear units for running gear of crane and heavy-duty vehicles, as well as in construction, forestry and agricultural machinery
  • Combines slewing bearings with drive worm
  • Worm gearing allows torque to be transmitted to slewing ring with optional backlash reduction
  • Offered with raceway diameters of up to 725 mm (28.5 in.)

Spur gear slewing drive units

  • Usually moved by one or more pinions, which are supported by bearings
  • Characterized by fast rotation speed with low heat development
  • Combines slewing bearings and drives

Belt slewing drive unit

  • Suited for high circumferential speeds
  • Features high degree of efficiency with particularly low-noise operation 
  • Use of special materials enable application in ambient conditions with low temperatures
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