Right-angle planetary gear units: When the motor gets in your way.
Our premium planetary gear units paired with our high efficiency helical bevel gear units. The result: STOBER right-angle planetary gear units!
- The motor as a disturbance contour
- PK: For high precision
- PKX: High precision for small installation spaces
- PHK: For high performance
- PHKX: High performance for small installation spaces
- PHQK: Quattro Power for highest power density
If the motor in coaxial design represents an interference contour, the combination of a STOBER planetary gear unit with a bevel gear unit is the best choice for the highest demands on dynamics, backlash stability and robustness.
Performat. Precise. Precise fit. Around the corner!
PK gear units are available either as compact servo planetary angular gearmotors for direct mounting or can be attached to all common synchronous servomotors via corresponding adapters.
The PKX series is the compact variant of the PK series: equally precise, also with high-quality helical gearing, exceptionally stable and perfect for tight installation situations.
PKX gears are available as either compact servo or direct-mount lean planetary angle gearmotors.
Maximum flexibility: The gear units can be attached to all common synchronous servomotors via corresponding adapters.
PHK series features a high-performance right-angle servo drive unit with high-quality helical gearing and very high torsional and tilting rigidity.
Compared to the PHKX series, the PHK drives are ideal for larger gear ratios.
PHK drives are available either as compact servo planetary angular drives for direct mounting or can be attached to all common synchronous servomotors via corresponding adapters.
The PHKX series is the compact version of the PHK series: also very torsionally and tilt-resistant, absolutely high-performance, with high-quality helical gearing and perfect for confined installation situations.
PHKX drives are available either as compact servo planetary angular gearmotors for direct mounting or can be attached to all common synchronous servomotors via corresponding adapters.
Our innovative 4-planet servo right-angle gearbox with high-quality helical gearing and very high torsional and tilting rigidity.
The same applies to the Quattro Power transmission – it is ideal for large gear ratios.
PHQK drives are available either as compact servo planetary angular drive motors for direct mounting or can be attached to all common synchronous servo motors via corresponding adapters.
Power density:
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- Total ratio: 12 – 561
- Allowed acceleration torque: 200 – 3105 Nm
- Backlash: 1.5 – 5 arcmin
- Efficiency: 94%
Find your right fit!
Power density:
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- Total ratio: 3 – 300
- Allowed acceleration torque: 21 – 3300 Nm
- Backlash: 2 – 8.5 arcmin
- Efficiency: 94 – 96%
Find your right fit!
Power density:
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- Total ratio: 16 – 561
- Allowed acceleration torque: 355 – 7500 Nm
- Backlash: 1.5 – 4.5 arcmin
- Efficiency: 92 – 93%
Find your right fit!
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- Total ratio: 4 – 300
- Allowed acceleration torque: 60 – 6975 Nm
- Backlash: 1 – 6 arcmin
- Efficiency: 92 – 95%
Find your right fit!
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- Total ratio: 22 – 2242
- Allowed acceleration torque: 316 – 43000 Nm
- Backlash: 1.5 – 4 arcmin
- Efficiency: 90 – 93%
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
- 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 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:
- FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation
- Shaft: Flange shaft
- Bearing: Standard or reinforced (PH3K – PH5K)
- 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
- 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
- Bearing: Standard or reinforced (PH3K – PH5K)
- 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:
- FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation
- Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
- Shaft: Flange shaft
- Bearing: Standard or reinforced (PHQ4K – PHQ5K)
- 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
- 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
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 more| Title | Version | ID | Date | Language | Size / Type | |
|---|---|---|---|---|---|---|
 | Catalog ServoStop servo gear units with brake | 02 | 443234 | 2023 04 | EN | 15.15 MB |
 | Catalog STOBER compact | 05 | 442655 | 2023 03 | EN | 9.86 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 P23KX - P93KX gear units and geared motors | 00 | 443361 | 2023 07 | EN | 2.48 MB |
 | Operating manual MB23 - MB53 ServoStop Motor adapter with brake | 02 | 443287 | 2023 07 | EN | 6.39 MB |
 | Operating manual P53K - P93K gear units and geared motors | 00 | 443360 | 2023 07 | EN | 2.14 MB |
 | Operating manual PH33KX-PH83KX PH94KX-PH104KX gear units geared motors | 00 | 443359 | 2023 02 | EN | 2.59 MB |
 | Operating manual PH53K-PH83K PH94K-PH104K gear units geared motors | 00 | 443358 | 2023 02 | EN | 2.32 MB |
 | Operating manual PHQ53K-PHQ83K PHQ94K-PHQ124K gear units geared motors | 00 | 443357 | 2023 02 | EN | 2.32 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 | 16 | 441871 | 2021 08 | EN | 1.23 MB |
| Title | Version | ID | Date | Language | Size / Type | |
|---|---|---|---|---|---|---|
 | UK declaration of incorporation gear units | 00 | 443299 | 2021 10 | EN | 74.12 KB |
 | Declaration of Incorporation gear units | 00 | 442718 | 2015 04 | EN | 48.83 KB |
| Title | Version | ID | Date | Language | Size / Type | |
|---|---|---|---|---|---|---|
| No results were found. | ||||||
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.
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 Feed Technology, Schuler Pressen GmbH
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.
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