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Your advantages

Greater cost-effectiveness
over the entire service life thanks to wear-free gearing and the long maintenance-free service life.

High power rating
in a compact design is offered by a total of 16 sizes with torques from 80 Nm to 53,000 Nm.

More energy efficiency
thanks to the high efficiency in both directions of torque and at any input speed.

Real lightweights
are the sizes K..19 and K..29, as their housing is made of aluminium.

S series worm gearboxes SPIROPLAN® right-angle gear units W series

Bevel gearboxes: high efficiency and durable gearing

The compact design of our gear units is demonstrated by the bevel gearbox most clearly. In mechanical engineering applications where space is limited, for example, this feature becomes interesting for you. Then you need powerful drive technology in a compact design. Exactly the right operating conditions for our bevel gearboxes with a torque range from 80 Nm to 53,000 Nm.

With their high efficiency in both directions of torque and at any input speed, these right-angle gear units are energy-efficient. Their fatigue-resistant gearing is wear-free and lasts the life of the gearbox. And for precise positioning tasks, choose the bevel gearboxes in the reduced backlash design.

The long maintenance-free service life amplifies this economy and efficiency. That is why our bevel gearboxes are used in such a wide range of users. Worldwide!

The particularly robust sizes K..39 and K..49 complete our quotation for two-stage bevel gearboxes. Together with sizes K..19 and K..29, they set the standards: Four sizes enable torques from 80 Nm to 500 Nm.

NEW: Higher torques for even higher power ratings

The bevel gearboxes in sizes 37, 47, 57 and 67 achieve an increase in torque of up to + 15 %.

Higher maximum torques are achieved through extensive revision of the gearing, adjustments to the bearing concept and new calculation methods. The increased torques were verified in very intensive test procedures and achieve an increase of up to +15 % compared to the previously permitted torques.

Thanks to the increased torques, in some cases you can even go down a size when selecting the gearbox size.


Only half the solution without a motor? Then use our modular system and combine the bevel gearboxes K series bevel gearboxes with an AC motor to create a K..DR. helical-bevel gearmotor. or with a servomotor to a K..CMP.. helical-bevel servo gearmotor. of your choice. Or you can simply select the separate motor suitable for your requirements. AC motor or servomotor.

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Drive selection TorqLOC® hollow shaft mounting system Adapters Surface and corrosion protection Long-term warranty Lubricants DUO diagnostic unit
A product recommendation with just a few clicks Find out more about the advantages of ECO2 drives

Bevel gearbox (two-stage, three-stage)

  • High efficiency
  • Fatigue-resistant gearing design
  • Long maintenance-free service life
  • Can be combined with our complete range of motors

sizes K..37 to K..187 (three-stage)

  • Double gearbox also possible for the lowest output speeds
  • reduced backlash design
  • possible designs:
    • Foot or flange-mounted design
    • B5 or B14 flange-mounted design
    • Full wave or hollow shaft
    • Hollow shaft with keyway connection, shrink disc, splined hollow shaft or TorqLOC®-clamp connection

Size K..19, K..29 and K..39, K..49 (two-stage)

  • Low-loss two-stage design with high gearing efficiency of over 90 %
  • sizes K..19 and K..29 are particularly light thanks to their aluminium housing
  • sizes K..39 and K..49 are particularly robust and torsional stiffness due to the grey cast iron housing
  • three base strips enable optimum connection to the customer's machine, even in critical installation situations
  • possible designs:
    • foot or B5 flange-mounted design
    • Full wave or hollow shaft
    • Hollow shaft with keyway connection, shrink disk or TorqLOC®-clamp connection

K series / sizes 37 / 47 / 57 / 67 / 77 / 87 / 97 / 107 / 127 / 157 / 167 / 187 (three-stage)

Gear unit ratio i 3.98 - 197.37
Gear unit ratio Double gearbox i 94 - 32 625
Max. output torque Nm 200 - 53 000*
Motor power range (attachment via motor adapter AM) kW 0.12 - 90

*also reduced backlash

K series / sizes 19 / 29 / 39 / 49 (two-stage)

  K..19 K..29 K..39 K..49
Gear unit ratio i 4.50 - 58.68 3.19 - 71.93 2.81 - 58.24 4.0 - 75.20
Max. output torque Nm 80 130 300 500
Motor power range (attachment via motor adapter AM) kW 0.12 - 1.1 0.12 - 2.2 0.12 - 4.0 0.12 - 7.5
  • Pallet conveyors
  • Belt conveyors
  • Chain conveyors
  • Vertical drives and lifting stations
  • Scissor lift tables
  • Goods lifts
  • Travelling and lifting drives in storage/retrieval systems