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SEW Eurodrive

R-Series Parallel Gearmotors

Product Range
Power ratings from 0.08 to 434 HP
Output speeds from 0.01 to 1093 rpm (based on 4 pole motor)
Output torques to 159,300 lb-in.
Overview   Standard Features   Optional Features   Sales Contact  


SEW-Eurodrive's R-Series parallel gearmotors deliver exceptional performance and reliability combined with low maintenance. Available in many configurations, they continually distinguish themselves with their efficiency and durable gearing.

Standard Features

  • Gears manufactured from certified steel, heat treated to a case hardness of 58-62 Rockwell C for long gear life
  • Finished ground or shaved gear teeth to assure maximum mechanical efficiency (1-1/2% loss/gear stage), minimum noise and heat generation
  • High capacity anti-friction bearings for optimum load carrying capacity and long life
  • Captured keys on output shafts
  • Gearcases are made of high-strength, gray cast iron, SAE Class 30; R27 and smaller are made of high-strength, pressure-cast aluminum
  • High cross-section modulus design, with center wall for maximum rigidity
  • 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, foot/flange mounts available on selected sizes
  • Suitable for mounting in any position
  • Available as a gearmotor or a gear brakemotor

Optional Features

  • Output shafts available in metric sizes
  • Severe duty protection
  • Long-term storage protection
  • 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

203 Vest Avenue
Valley Park, MO 63088
Toll Free: (888) SPECTECH
Phone: (636) 537-0202
Fax: (636) 537-1405
E:mail: [email protected]