< SEW Eurodrive S-Series Helical-Worm Gearmotors <
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SEW Eurodrive

S-Series Helical-Worm Gearmotors

Product Range
Power ratings from 0.08 to 47 HP
Output speeds from 0.01 to 516 rpm (based on 4 pole motor)
Output torques to 35,400 lb-in.
Overview   Standard Features   Optional Features   Sales Contact  


SEW-Eurodrive's S-Series gearmotors (right angle) offer helical-before-worm gearing combining durability with power-packed performance in a compact design that requires no motor belts or couplings.

Standard Features

  • Worm shaft and helical gears manufactured from certified steel, heat treated to a case hardness of 58-62 Rockwell C for long gear life
  • Gears are milled, hardened and ground to assure maximum efficiency (up to 94%), minimum noise and heat generation
  • High capacity anti-friction bearings for optimum load carrying capacity and long life
  • Captured keys on input and output shafts
  • Gearcases made of high strength gray cast iron, SAE Class 30
  • High cross-section modulus design with stiffening webs for maximum rigidity
  • S-Series reducers are continuous duty at rated thermal capacity, based on ratio and input speed
  • Center tapped holes on output shafts
  • Double output seal design consisting of patented bi-helix inner seal made of Viton® and double-lip Nitrile (Buna-N) outer seal*
  • NEMA Design B/C
  • Inverter duty
  • Connection terminals
  • Extremely low motor inertia
  • Mark for shipment into Europe
Mounting Configurations
  • Foot or flange mounts
  • Suitable for mounting in any position
  • Available as a gearmotor or a gear brakemotor

Optional Features

  • TorqLOC®
  • Hollow or solid output shafts available in metric sizes
  • Severe duty protection
  • Long-term storage protection
  • Torque arm
  • High cycling capacity fail-safe brake
  • Severe duty construction
  • 50 Hz motors for worldwide use
  • Forced cooling for low frequency operation
  • Thermostat or thermistor protection
  • Plug connector terminal box for fast motor replacement

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Valley Park, MO 63088
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Phone: (636) 537-0202
Fax: (636) 537-1405
E:mail: [email protected]