JPM Series


Worm gear unit available with torque capacities of up to 520Nm (4kW motor) and with a standard gear ratio range of 5:1 to 70:1.  Available as foot, flange and shaft mounted types.

  • Motorised and speed reducer types for all applications
  • Variable mounting options allow design flexibility
  • Unique Holroyd gear tooth profile for high efficiency and long life
  • High torque capacities, yet compact design
  • Wide ratio range gives speeds to match design demands
  • Long life synthetic lubricant factory filled
  • Optional case protection for use in hostile and arduous environments
  • Hollow output shaft option for direct shaft mounting
  • Plug-in and solid output shafts single and double extension

JPM Product Features

  • Heavy duty ball and taper roller bearings combining maximum load capacity with long life.
  • Unique Holroyd tooth form for maximum torque capacity and optimum efficiency.
  • One piece output sleeve with electron beam welded bronze wormwheel rim to ensure maximum strength under shock load conditions.
  • Accepts standard B5 and B14 motors via plug-in polymer bush for durability, quietness and strength.
  • Machined surfaces on all sides of gear case, plus detachable feet and B5 output flange for wide range of mounting options. 
  • Close grain cast iron gear case for strength and absorption of vibration for quiet running.
  • Hollow output shaft with option of single or double extension plug-in or solid output shaft.
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+44(0)28 90 618511