Helical bevel geared Lean motors: Efficient without any compromises.
Save on everything without reducing performance and energy efficiency!
When you use the encoderless Lean motor coupled with a first-class STOBER helical bevel gear unit, you can reduce the size of your drives while achieving a motor efficiency of up to 96%.
- Helical bevel gear unit with Lean motor
- KLM: Versatile and highly rigid, for exceptional backlash stability
- KLLM: Elegant, compact and completely without offset
This compact and very stable drive unit offers the best conditions for energy-efficient tasks in areas such as packaging and machine tools, automation or robotics.
And it also enables extremely space-saving machine and assembly concepts.
The very rigid gear units in this series feature high-quality helical gears that guarantee unsurpassed smooth operation and backlash stability.
K gear units paired with Lean motors are a winning combination, especially due to the extremely compact, rugged geometry of the housing at an exceptionally low weight. And its efficiency is excellent thanks to the motor’s IE5 classification rating.
The jointless, torsion-resistant block design and directly attached Lean motor form an extremely stable drive unit.
The motor shaft and gear unit output are on the same level, which makes the design of your machine or system so much simpler.
The geared motors of this series are mainly used when applications call for low weight, a small installation space and, above all, high energy efficiency. For more productivity and profitability.
Power density
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- Total ratio: 4 – 294
- Allowed acceleration torque: 17 – 6820 Nm
- Backlash: 1.5 – 12 arcmin
- Efficiency: 94 – 97%
Find your right fit!
Power density
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Price category
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- Total ratio: 4 – 16
- Allowed acceleration torque: 35 – 60 Nm
- Backlash: 16 – 20 arcmin
- Efficiency: 97%
Find your right fit!
- To the features of K gear units
- To the features of Lean motors
- To the features of KL gear units
- To the features of Lean motors
We get your visions moving – in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
Learn moreWe get your visions moving – in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
Learn moreWe get your visions moving – in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
Learn moreWe get your visions moving – in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
Learn more| Title | Version | ID | Date | Language | Size / Type | |
 | Catalog STOBER compact | 04 | 442655 | 2022 10 | EN | 10.24 MB |
 | Catalog Lean Motors LM | 05 | 443016 | 2022 06 | EN | 12.84 MB |
| Title | Version | ID | Date | Language | Size / Type | |
 | Mounting instructions Hollow shafts with shrink disk for F K KL KS S gear units | 11 | 440711 | 2023 02 | EN | 1.28 MB |
 | Operating manual Gear units and geared motors C F K S | 02 | 443027 | 2020 11 | EN | 288.54 KB |
 | Operating manual PK PKX PHK PHKX PHQK KS KL gear units and geared motors | 00 | 443150 | 2019 10 | EN | 1.69 MB |
 | BAL Lean-Motor LM | 01 | 443048 | 2019 05 | en | 867.02 KB |
 | Assembly instructions Lubrication connections of gear units C K S | 11 | 441631 | 2017 11 | EN | 105.08 KB |
| Title | Version | ID | Date | Language | Size / Type | |
 | Connection plan LM_AT on SI6 | 00 | 443017 | 2017 11 | EN | 41.51 KB |
 | Connection plan LM_AR on SC6 | 00 | 442783 | 2017 11 | EN | 35.78 KB |
| Title | Version | ID | Date | Language | Size / Type | |
 | UK declaration of conformity synchronous servo motors and synchronous servo geared motors EZ ED EK LM | 00 | 443297 | 2021 10 | EN | 71.46 KB |
 | Certificate UL - cURus Lean motors LM | 00 | 443098 | 2017 12 | EN | 1.27 MB |
 | EU Declaration of conformity synchron motors LM | 02 | 443082 | 2020 11 | EN | 39.12 KB |
 | Certificate Free of CCC | zh-cn | 442072 | 2020 08 | EN | 354.37 KB |
Take advantage of the expertise of our application engineers in the Sales Centers or contact our first level support.
OPENsystemsupport@stoeber.de
With SERVOsoft®, you have a tool at your fingertips that lets you design your drive systems with precise scaling in just a few steps. Electrical as well as mechanical design, and simple and fast at the same time.
OPENWith the intuitive STOBER product configurator, you can filter, compare, save and share the right drive solutions with ease.
OPENAre you looking for CAD data? With the STOBER CAD tool, the drawings you need are ready for download in just a few clicks.
OPENSTOBER is present in over 40 countries worldwide with 12 locations and 80 service partners. No matter where, no matter when, we’re always at your service and on the move!
OPENDo you need competent help with replacement parts, replacement drives, repairs and retrofitting? Feel free to contact us! We also offer a 24-hour hotline for urgent cases.
OPENOne partner. All the possibilities.
Get the benefits of precise, practical system solutions for drives and automation with uncompromising quality and expert individual consultation.
Need special solutions?
Our product portfolio is modular and freely scalable, offering a very wide range of combination options. A drive system for custom-fit, compact machine concepts. With the option to make adjustments to fit the project.
More than helical bevel geared lean motors: This might also interest you
Offset Helical Geared Lean Motors
Geared motors for tight spaces that are also extremely energy efficient, encoderless and include just one cable.
A compact, universally applicable helical gear unit. Directly attached with an IE5-classified motor.
Helical Bevel Servo Geared Motors
Helical bevel gear units and synchronous servo motors as an integrated, compact unit with very convenient installation dimensions and a high power density.
6th Generation Drive Controllers
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