---
title: Shrink discs
url: "https://www.wittenstein-group.com/en-uk/product/shrink-discs"
date: 2026-02-16
modified: 2026-02-24
lastUpdated: 2026-04-13
---

# Shrink discs

Accessories

Shrink discs are the ideal solution for compact hollow shaft or blind hollow shaft connections. They transmit torques reliably and backlash-free – without a keyway. Maximum performance with minimum installation space.

 Downloads

![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/9/0/csm_SHRINK-DISC_18428c1904.webp)

### 51 – 2450 Nm

Max. transmittable torque T

### 18 – 68 mm

Selectable load shaft diameters D

### Tolerance h6

Recommendation for the load shaft

[ Technical details ](#tech-details)

[ Related products ](#related)

[ Request consultation ](#consultation)

![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/4-11-compact.svg)

###### Maximum installation space efficiency

Direct connection to the hollow shaft gearbox enables an extremely compact design

![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/44-3-reliableTorqueTransmission.svg)

###### Reliable torque transmission

Validated calculations ensure a force-fit, backlash-free connection – even under dynamic loads

###### Outstanding radial runout

Precisely manufactured, symmetrical components ensure good radial runout properties and low imbalance

- Available options
- Downloads

| **Versions**  • Standard  • Nickel-plated  • Stainless steel |
|---|

| Document name | Document type | Language | Downloads |
|---|---|---|---|
| ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-ACCESSORIES-EN-231b819c98db.webp "alpha Accessories Product Catalog") alpha Accessories Product Catalog | Brochure /Catalog | English | [ Download (8 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=933&dl=1&st=1&lg=2&token=b82b74cb226714d579155e23623213b49879d464)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=933&st=1&lg=2&token=51c3395b7d59c6c5a1f91fb75f5e42a37d8dce6c) |
| ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-ACCESSORIES-SHRINK-DISCS-EN-2957876ee919.webp "alpha Accessories Product Catalog – Shrink discs") alpha Accessories Product Catalog – Shrink discs | Brochure /Catalog | English | [ Download (990 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=934&dl=1&st=1&lg=2&token=9551afe579215d820674da5c490086544adafb45)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=934&st=1&lg=2&token=43c5c099d51b4110e244618763e59bbed51119ba) |
| ![Instruction sheet Shrink disc](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/INFORMATION-SHRINK-DISC-EN-e9f0806a74c2.webp "Shrink disc") Shrink disc  Instruction sheet Shrink disc | Operating manual | English | [ Download (773 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1040&dl=1&st=1&lg=2&token=6fd5633ddb0b82cc4a3db2576c1979714a3ca826)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1040&st=1&lg=2&token=45cd31fe7b98d8a8b4c2381ad351e8c1c6301406) |

<a id="c2319"></a>![](https://www.wittenstein-group.com/fileadmin/_processed_/9/c/csm_logo-sculpture_e38190faf6.webp)

 Contact us
------------

Would you like to learn more about our solutions?
We would be happy to advise you—personally, competently, and tailored to your requirements.

[info@wittenstein.co.uk](#)

[ +44 1275 395-600 ](tel:+441275395-600)

[ To the contact form ](https://www.wittenstein-group.com/en-uk/contact-locations/contact)

With our shrink discs, you can rely on a backlash-free, compact, and reusable connection solution—for maximum performance in the drive train.

![](https://www.wittenstein-group.com/fileadmin/_processed_/3/7/csm_shrink-disc-main-image_7ac9c6acd0.webp)

**Compact & force-fit** Backlash-free torque transmission with minimal installation space—perfect for space-saving drive solutions.

**Quick to install & reusable** Tool-friendly screw system for easy assembly and multiple use without loss of quality.

**Precise & durable** Symmetric components ensure excellent radial runout and long-term operational reliability.

 Related products
------------------

![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/0/a/csm_HG-PLUS-IMAGE_d11c8bbd6f.webp)##### [ HG+](https://www.wittenstein-group.com/en-uk/product/hg)

alpha Advanced Line

Ratio3 – 100Max. torque20 – 768 NmBacklash≤ 4 arcmin

![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/c/9/csm_VH-PLUS-IMAGE_520aa6a78e.webp)##### [ VH+](https://www.wittenstein-group.com/en-uk/product/vh)

alpha Advanced Line

Ratio4 – 400Max. torque74 – 1505 NmBacklash≤ 2 – 3 arcmin

![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/f/f/csm_NVH-IMAGE_4a44172372.webp)##### [ NVH ](https://www.wittenstein-group.com/en-uk/product/nvh)

alpha Value Line

Ratio4 – 400Max. torque74 – 365 NmBacklash≤ 6 arcmin

![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/1/b/csm_CVH-IMAGE_d51e2ce717.webp)##### [ CVH ](https://www.wittenstein-group.com/en-uk/product/cvh)

alpha Basic Line

Ratio7 – 40Max. torque68 – 301 NmBacklash≤ 15 arcmin