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Your benefits

Comprehensive offer
because 6 single-stage and 15 two- and three-stage frame sizes offer finely stepped torque ratings and gear ratios.

Easy combination
because you can easily combine your helical gear unit with an AC motor or a servomotor of your choice from our modular motor system.

F series parallel-shaft helical gear units

R series helical gear units: high efficiency and wide range of gear unit ratios

Helical gear units are the "hidden classics" in our gear unit portfolio: 6 single-stage and 15 two- and three-stage frame sizes cover a torque range from 50 to 20 000 Nm. This gear unit series is also far ahead in terms of gear unit ratios: from i = 1.30 to i = 289.74, in double gear units even i = 27 001. Torque ratings and gear unit ratios this finely stepped are hard to find in the market.

The demand for high output speeds or low weight is met by the R gear units as well, of course. Always with a high level of efficiency, our helical gear units offer an optimum ratio between torque output and installation space. This means: a helical gear unit almost always fits your application.

Only half the solution without a motor? Then use our modular concept and combine the gear units of the R series with an AC motor to a R..DR.. helical gearmotor, or with a servomotor to an R..CMP helical servo gearmotor of your choice. Or simply choose the separate AC motor or servomotor that meets your requirements.

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Variants of the helical gear unit series RX / R / RM

  • Highly efficient helical gear units in 6 frame sizes
  • High output speed, torque up to 830 Nm
  • Gear unit ratios up to i = 8.65
  • Available in foot- or flange-mounted design

Sizes 57 / 67 / 77 / 87 / 97 / 107

Gear unit ratio i 1.30 – 8.65
Max. output torque Nm 69 – 830
Motor power range (Mounting via AM motor adapter) kW 0.12 – 45
  • Roller conveyors
  • Belt conveyors
  • Chain conveyors
  • 15 sizes
  • Optimum ratio between performance and space requirements
  • Finally stepped sizes and gear ratios
  • Also available with reduced backlash

Sizes 07 / 17 / 27 / 37 / 47 / 57 / 67 / 77 / 87 / 97 / 107 / 127 / 137 / 147 / 167

Gear unit ratio i 3.21 – 289.74
Double gear unit reduction ratio i 90 – 27 001
Max. output torque
R07 – R167
Nm
50 – 20 000*
Motor power range (Mounting via AM motor adapter) kW 0.12 – 90

*Also with reduced backlash

  • Rotary tables
  • Pumps and fans
  • Waste water and sewage treatment plants
  • Roller conveyors
  • Belt conveyors
  • Chain conveyors
  • Corner transfer unit
  • Helical gear units with extended output bearing hub
  • Specifically designed for agitators
  • Ten frame sizes
    • Offering gear unit ratios up to i = 289.74
    • Allowing for high overhung and axial loads as well as bending moments

Sizes 57 / 67 / 77 / 87 / 97 / 107 / 127 / 137 / 147 / 167

Gear unit ratio i 4.29 – 289.74
Double gear unit reduction ratio i 134 – 27 001
Max. output torque Nm 450 – 20 000
Motor power range (Mounting via AM motor adapter) kW 0.12 – 160
  • Agitators
  • Blenders
  • Mixers
  • Kneaders