---
title: Shrink discs
url: "https://www.wittenstein-group.com/en-us/product/shrink-discs"
date: 2026-02-12
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-US-94cdaeff86a2.webp "alpha Accessories Product Catalog") alpha Accessories Product Catalog | Brochure /Catalog | American English | [ Download (8 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3982&dl=1&st=1739&lg=0&token=080bb5acac28cdc964ca96300fe3658880c655e0)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3982&st=1739&lg=0&token=bafba44bf1a04f9c57829539faba417771b64054) |
| ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-ACCESSORIES-SHRINK-DISCS-0e8499fd52b2.webp "alpha Accessories Product Catalog – Shrink discs") alpha Accessories Product Catalog – Shrink discs | Brochure /Catalog | Neutral | [ Download (990 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3236&dl=1&st=1739&lg=0&token=f9f0e646156c447243117e35014b5d074467d450)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3236&st=1739&lg=0&token=4743cd4380c233080b4392f037478df6d6e7bccf) |
| ![Instruction sheet Shrink disc](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/INFORMATION-SHRINK-DISC-66c8b5c5bb58.webp "Shrink disc") Shrink disc  Instruction sheet Shrink disc | Operating manual | Neutral | [ Download (773 B) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3294&dl=1&st=1739&lg=0&token=3872098efd6a39566a23ddb2c6f1c36c44f6b42d)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3294&st=1739&lg=0&token=ac5c669c6354873f103deed402f24d63840c8070) |

<a id="c6072"></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-us.com](#)

[ 1 630 540-5300 ](tel:16305405300)

[ To the contact form ](https://www.wittenstein-group.com/en-us/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-us/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-us/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-us/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-us/product/cvh)

alpha Basic Line

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