Far more than just a planetary gear unit.
Since the 1980s, STOBER has specialized in the development of planetary gear units, the premier class of drive technology!
At the end of 2019, we presented the 3rd generation of planetary servo gear units, bringing drive solutions that are the most compact on the market for their performance range and enormous variety of combinations and options!
- High-performance. Precise. Perfect fit.
- P: For high precision and smooth operation
- PH: For the highest precision and performance
- PHV: Servo gear unit for large gear ratios
- PHQ: Quattro power for maximum power density
- PE: The attractive economy variant
STOBER planetary gear units score points above all for their exceptional performance, torsional backlash stability and ruggedness. Alongside that, the excellent housing and gearing quality ensures high acceleration torques and also the highest running accuracy and precision.
What’s more, our planetary gear units have an impressively flexible interface technology. Not only can the gear units be combined with different STOBER motors via direct attachment, they can also be attached to all third-party motors in any size using variable adapters.
As another advantage, you can also select the right bearings for the application you need. With our enormous variety, we give you all the options in the design phase to put together exactly the right drive solution for any application.
STOBER planetary gear units are ideal for machine tools and packaging machines as well as applications in automation and robotics.
High-performance. Precise. Perfect fit.
The decisive characteristic of the P series planetary gear unit is the high-quality helical gearing that gives the gear unit smooth operation and backlash stability that is second to none.
Another outstanding property is its extremely high efficiency. Due to the very low frictional torques, this series is ideal for continuous operation and high-speed applications.
P gear units are available as compact, directly attached planetary geared motors in either the servo or Lean version.
Maximum flexibility: The gear units can be attached to all common synchronous servo motors by suitable adapters.
The PH series planetary gear units are high-performance servo gear units with increased torsional and tilting stiffness.
Their inner workings are distinguished by our proven, high-quality helical gearing. The output shaft is designed as a flange.
The gear units are ideal for drive solutions that have the highest requirements for rigidity, precision and reliability.
PH gear units are either available as directly attached, compact planetary servo geared motors or they can be attached to all common synchronous servo motors by suitable adapters.
Quattro power stands for an innovative 4-planet system!
PHQ is a precise servo gear unit featuring high-quality helical gearing as well as the highest torsional and tilting stiffness. For maximum torque.
It is also especially ideal for drives in pick-and-place applications and is the perfect solution for tight installation spaces.
PHQ gear units are either available as directly attached, compact planetary servo geared motors or they can be attached to all common synchronous servo motors by suitable adapters.
PHV – a precise high-performance servo gear unit with proven high-quality helical gearing as well as very high torsional and tilting stiffness.
The gear units are very short, which is perfect for tight spaces. And they are especially ideal for large gear ratios.
PHV gear units are either available as directly attached, compact planetary servo geared motors or they can be attached to all common synchronous servo motors by suitable adapters.
This series is a highly cost-effective variant of the STOBER planetary gear units with high performance. It also has the helical gearing that is typical for STOBER, low noise development and the best smooth operation. It’s a unique feature on the market in this price and product class.
Especially in combination with the STOBER IE5-classified Lean motor, you get an unbeatably compact and economical unit!
STOBER PE gear units can be used for efficient applications in the fields of automation and robotics.
PE gear units are available as either directly attached, compact planetary geared Lean motors or planetary servo geared motors.
Maximum flexibility: The gear units can be attached to all common synchronous servo motors by suitable adapters.
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- Total ratio: 3 – 100
- Allowed acceleration torque: 21 – 3450 Nm
- Backlash: 1 – 8 arcmin
- Efficiency: 95 – 97%
Find your right fit!
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Power density: |
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- Total ratio: 4 – 100
- Allowed acceleration torque: 60 – 7500 Nm
- Backlash: 1 – 4 arcmin
- Efficiency: 93 – 96%
Find your right fit!
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Power density: |
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Price category: |
€ | € | € | € | € |
- Total ratio: 61 – 121
- Allowed acceleration torque: 4250 – 7500 Nm
- Backlash: 1 – 3 arcmin
- Efficiency: 90%
Find your right fit!
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€ | € | € | € | € |
- Total ratio: 5.5 – 600
- Allowed acceleration torque: 200 – 43000 Nm
- Backlash: 1 – 3 arcmin
- Efficiency: 90 – 96%
Find your right fit!
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Power density: |
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Price category: |
€ | € | € | € | € |
- Total ratio: 3 – 100
- Allowed acceleration torque: 17 – 250 Nm
- Backlash: 8 – 13 arcmin
- Efficiency: 95 – 97%
Find your right fit!
- Shaft: Solid shaft with or without feather key
- Bearing: Standard, axial or radial reinforced
- Backlash: Standard or reduced
- Mounting position: Any
- Lubricants and maintenance:
- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life and maintenance-free
- Paint: RAL 9005 Jet black
- Motor adapter:
- EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
- FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation
- ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
- Shaft: Flange shaft
- Bearing: Standard or reinforced (PH3 – PH5)
- Backlash: Standard or reduced
- Mounting position: Any
- Lubricants and maintenance:
- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life and maintenance-free
- Paint: RAL 9005 Jet black
- Motor adapter:
- EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
- FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation
- ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
- Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
- Shaft: Flange shaft
- Backlash: Standard or reduced
- Mounting position: Any
- Lubricants and maintenance:
- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life and maintenance-free
- Paint: RAL 9005 Jet black
- Motor adapter:
- EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
- ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
- Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
- Shaft: Flange shaft
- Backlash: Standard or reduced
- Mounting position: Any
- Lubricants and maintenance:
- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life and maintenance-free
- Paint: RAL 9005 Jet black
- Motor adapter:
- EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
- FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation
- ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
- Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
- Shaft: Solid shaft with feather key
- Mounting position: Any
- Lubricants and maintenance:
- Synthetic high performance gear grease
- Lubricated for life and maintenance-free
- Paint: RAL 9005 Jet black
- Motor adapter:
- EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
- Portal milling
- Horizontal machining units
- Tripods
- Laser cutting
- Tube bending
- Sheet metal bending
- Filling
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 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 | 06 | 442655 | 2024 10 | EN | 9.76 MB |
 | Catalog ServoStop servo gear units with brake | 02 | 443234 | 2023 04 | EN | 15.15 MB |
 | Catalog servo gear units | 05 | 443054 | 2023 03 | EN | 15.90 MB |
 | More than just a gearbox | 00 | 443157 | 2019 10 | EN | 1014.67 KB |
| Title | Version | ID | Date | Language | Size / Type | |
|---|---|---|---|---|---|---|
 | Operating manual PE22 - PE52 gear units and geared motors | 00 | 443252 | 2021 03 | EN | 764.29 KB |
 | Operating manual MB23 - MB53 ServoStop Motor adapter with brake | 03 | 443287 | 2024 01 | EN | 6.39 MB |
 | Operating manual PHV94-PHV104 gear units geared motors | 00 | 443355 | 2023 02 | EN | 2.15 MB |
 | Operating manual PH33-PH83 PH94-PH104 gear units geared motors | 00 | 443354 | 2023 02 | EN | 2.20 MB |
 | Operating manual PHQ43-PHQ83 PHQ94-PHQ124 gear units geared motors | 00 | 443353 | 2023 02 | EN | 2.29 MB |
 | Operating manual P23 - P93 gear units and geared motors | 00 | 443356 | 2023 07 | EN | 2.00 MB |
 | Safety instructions for gear units | 00 | 443108 | 2018 07 | EN | 70.76 KB |
 | Safety instructions for explosion-proof gear units | 00 | 443109 | 2018 07 | EN | 69.50 KB |
| Title | Version | ID | Date | Language | Size / Type | |
|---|---|---|---|---|---|---|
 | Lubricant fill volume | 17 | 441871 | 2023 10 | EN | 2.18 MB |
| Title | Version | ID | Date | Language | Size / Type | |
|---|---|---|---|---|---|---|
 | Declaration of Incorporation gear units | 01 | 442718 | 2024 03 | EN | 68.12 KB |
 | UK declaration of incorporation gear units | 00 | 443299 | 2021 10 | EN | 74.12 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 13 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.
OPENPlanetary gear units for highly dynamic applications.
“We work with STOBER because the wide selection of planetary gear units always gives us the right solution for all kinds of different servo tasks. We also appreciate the good advice and support and especially how quick it is. Working together with STOBER is always very enjoyable and productive.”
– Uwe Biermann, Mechanical Design Feeding Technology, Schuler Pressen GmbH
Dedicated and Solution-Oriented.
We support you in turning your visions and projects into reality.
In the process, we rely on our decades of experience and an exceptionally broad range of products. Take advantage of the expertise of our application engineers!
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