---
title: "Hollow shaft gearboxes – precise & compact with large hollow shaft"
url: "https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes"
description: "Hollow shaft gearboxes from WITTENSTEIN: Large hollow shaft ✓ Compact design ✓ Right-angle gearbox & coaxial variants ✓ Flexible & efficient ► Get advice now!"
date: 2026-02-12
modified: 2026-02-24
lastUpdated: 2026-04-13
---
# Hollow shaft gearboxes – precise & compact with large hollow shaft
Hollow shaft gearboxes
======================
The enlarged hollow shaft allows supply lines, shafts, or cables for further drive systems to be routed through it. High positioning accuracy guarantees stable machine characteristics.
Field Of Application - [Convection cooling](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=appField%3AConvection+cooling)
- [Corrosion-resistant](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=appField%3ACorrosion-resistant)
- [Food-grade lubrication](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=appField%3AFood-grade+lubrication)
- [Liquid cooling](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=appField%3ALiquid+cooling)
Field Of Application
Output Shape - [Flanged hollow shaft](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=outputShape%3AFlanged+hollow+shaft)
- [Hollow shaft](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=outputShape%3AHollow+shaft)
- [Hollow shaft interface](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=outputShape%3AHollow+shaft+interface)
- [Keyed hollow shaft](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=outputShape%3AKeyed+hollow+shaft)
- [Output on both sides](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=outputShape%3AOutput+on+both+sides)
Output Shape
Price Level - [$](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=priceLevel%3A%24)
- [$$](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=priceLevel%3A%24%24)
- [$$$](https://www.wittenstein-group.com/en-us/products/servo-gearboxes/hollow-shaft-gearboxes?tx_solr%5Bfilter%5D%5B0%5D=priceLevel%3A%24%24%24)
Price Level
Max. Torque (Nm)
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Max. Torque (Nm)
Backlash (arcmin)
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Backlash (arcmin)
Ratio
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Ratio
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[ Galaxie® GS ](https://www.wittenstein-group.com/en-us/product/galaxie-gs)
Ratio24 – 31Max. torque350 – 6000 NmBacklash0 arcmin The Galaxie® GS sets new standards in precision and hollow shaft size
[ Galaxie® GH ](https://www.wittenstein-group.com/en-us/product/galaxie-gh)
Ratio72 – 240Max. torque1086 – 4050 NmBacklash0 arcmin The Galaxie® GH offers unbeatable performance characteristics
[ Miniaturized Galaxie®](https://www.wittenstein-group.com/en-us/product/miniaturized-galaxie)
Ratio60 – 61Max. torque150 – 250 NmBacklash0 arcmin The miniaturized Galaxie® – with maximum torsional rigidity, zero backlash and the largest hollow…
[ CVH ](https://www.wittenstein-group.com/en-us/product/cvh)alpha Basic Line
Ratio7 – 40Max. torque68 – 301 NmBacklash≤ 15 arcmin Worm gearbox with hollow shaft interface
[ NVH ](https://www.wittenstein-group.com/en-us/product/nvh)alpha Value Line
Ratio4 – 400Max. torque74 – 365 NmBacklash≤ 6 arcmin Worm gearbox with hollow shaft interface
[ VH+](https://www.wittenstein-group.com/en-us/product/vh)alpha Advanced Line
Ratio4 – 400Max. torque74 – 1505 NmBacklash≤ 2 – 3 arcmin Worm gearbox with hollow shaft interface
[ TK+](https://www.wittenstein-group.com/en-us/product/tk)alpha Advanced Line
Ratio3 – 100Max. torque20 – 768 NmBacklash≤ 4 arcmin Hypoid gearbox with hollow shaft and output flange
[ HG+](https://www.wittenstein-group.com/en-us/product/hg)alpha Advanced Line
Ratio3 – 100Max. torque20 – 768 NmBacklash≤ 4 arcmin Wide range of hypoid gearboxes with hollow shaft
### cymex® select
### cymex® 5
Finding the right gearbox is easier than ever:
Based on a few application parameters, our innovative quick design tool cymex® select makes a recommendation for a gearbox without calculation.
[Learn More](https://stage.wittenstein-group.com/int-en/product/cymex-select "Learn More")
Discover our comprehensive sizing software:
cymex® 5 enables the fast, precise, and safe sizing of complete drive systems – proven in use worldwide.
[Learn More](https://stage.wittenstein-group.com/int-en/product/cymex-5 "Learn More")
##### Flexibility
Cables, media, or shafts can be routed through the hollow shaft. Additional components can also be integrated.
##### Compactness
Additional interfaces are avoided, minimizing space requirements.
##### Efficiency
Cost reduction for the entire axis through direct integration in the hollow shaft.
> The hollow shaft combines high functionality with design efficiency—it not only creates space, but also saves weight at the same time.
WITTENSTEIN hollow shaft drives feature a particularly large hollow shaft, enabling new drive shaft designs.
### Largest hollow shaft
WITTENSTEIN galaxie drive solutions in particular offer the largest hollow shaft diameters available in the field of high-performance precision drives.
### Space savers
The generous interior space allows cables, media lines, or even additional shafts to be routed through the drive for maximum space efficiency and compact machine designs.
### Wide variety
Whether as right angle drives or coaxial gearboxes, WITTENSTEIN's hollow shaft solutions offer tailor-made solutions for a wide variety of applications.
### Smart applications
Hollow shaft solutions offer clear advantages in precision robotics, machine tool construction, and the packaging industry—anywhere where compact design and high power density are required.
Our hollow shaft gearboxes combine high precision with maximum use of installation space. Thanks to the integrated hollow shaft, supply lines and mechanical elements can be routed through the gearbox in a space-saving manner – for particularly compact machine designs. Whether as a hollow shaft drive or a hollow shaft right angle gearbox: WITTENSTEIN offers modular solutions for maximum flexibility.
The wide variety of variants and the option for customization make our hollow shaft gearboxes the ideal choice for future-oriented applications in automation, robotics, or packaging technology. Take advantage of the hollow shaft for integration, weight savings, and increased efficiency.