R series helical gear units

They feature an ideal ratio between performance and space requirements – also in your application: Twenty frame sizes of the helical gear unit portfolio, with finely stepped torque ratings and gear unit ratios. High efficiency included.

The classics: high efficiency and wide range of gear unit ratios

R series helical gear units
The figure shows gearmotors with helical gear units
The figure shows gearmotors with helical gear units

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 18 000 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.

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

  • Single- or multi-stage
  • Foot- or flange-mounted
  • Foot- and flange-mounted
  • Flange-mounted with extended bearing housing

Configure your individual product

  • Detailed information about your individual product
  • CAD data and documentation for your configuration
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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.

RX series (single-stage)

Features

RX series helical gear units (one stage)
  • 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

Technical data

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

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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
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Areas of application

  • Roller conveyors
  • Belt conveyors
  • Chain conveyors

R series (two and three stages)

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RM series (two and three stages)

Features

RMa series helical gear units
  • 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

Technical data

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

Close table
Gear unit ratio i 4.29 – 289.74
Double gear unit reduction ratio i 134 – 27 001
Max. output torque Nm 450 – 18 000
Motor power range (Mounting via AM motor adapter) kW 0.12 – 160
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Areas of application

  • Agitators
  • Blenders
  • Mixers
  • Kneaders
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