Worm Gear Drives

Worm Gear Drive S20 and S24

The worm gear drives are suitable for a large variety of applications for moving or rotating loads, as gear drives for rope drums or chain and sprocket or slewing drives.

The S20 is with cast iron housing mounted into a mounting bracket. With machined worm wheel and hardened worm shaft running on bronze brushes. 

The S24 is with diecast aluminium housing suitable for use in hostile environments. Machined phosphor bronze worm wheel and hardened worm shaft fitted with Teflon sintered bearings to reduce effort.  


  • Easy and safe operation.
  • Load is held securely due to self-locking worm gear.
  • Enclosed housing retains grease lubrication and protects the worm gear drive components.
  • Precisely machined worm gear set for little operator effort, long service life and secure load holding.
Model S20 S24
Ratio 20:1 24:1
Driving torque (daNm) 12 36
Crank Effort (kg) 11 22
Total Shaft Length (mm) 196 200
Shaft Diameter (mm) 25 36
Mounting Hole Distance (mm) 170 135x60
Mounting Hole Diameter (mm) 13 13
Weight (kg) 5 8


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