GN 491 Double Tube Linear Actuators Steel, With Right Hand Thread, Single Slider


Product description


In addition to the standard travel lengths specified in the above table for the double tube linear actuator GN 491 any length inside the maximum length is available.

In order to measure the movement and positioning of the sliders, digital position indicators can be added.


Guide tubes DIN 2391
Steel, chrome-plated finishSCR

End pieces / Slider
  • powder coated
    black, RAL 9005, textured finish
  • Fixing surface / mounting surface
    machined, blank

Spindle with trapezoidal thread
  • Steel, blank
  • with ball-bearing
  • Positioning accuracy ±0,2 mm / 300 mm travel

Follower nut
Steel, Gun metal finish

Cylinder head screws DIN 912
Steel, zinc plated

Hexagon nuts DIN 985
Steel, zinc plated

RoHS compliant


Installation kits GN 491.1
(for position indicators)

On request

Version in Stainless Steel
Tube with longitudinal scale
Right hand thread, two shaft ends
Left hand thread, single shaft end
Left hand thread, two shaft end
Long shaft ends for position indicator
1 x short shaft end
1 x long shaft end for position indicator

Technical drawing

Hide technical drawing
GN 491 Steel, Double Tube Linear Actuators, With Right Hand Thread, Single Slider sketch

Part Options / Table


R1Right hand thread, shaft journal at one end
R2*Right hand thread, shaft journal at both ends
L1*Left hand thread, shaft journal at one end
L2*Left hand thread, shaft journal at both ends
Show / Hide columns


Dimensions in: Inch | Metric
(Adjustable stroke of the slider)
Standard length
bd2d3 **d4 ***d5d6
DIN 912
.713.945.917.879.8416.54TR10x31.10.24-M 5.21--
1.183.945.917.8711.8159.06TR14x41.97.31M 6M 6.26.35M 5
1.573.945.917.8711.81104.33TR20x42.36.47M 8M 8.33.53M 6
1.973.945.917.8711.81108.66TR20x42.83.47M 10M 8.33.53M 8
2.3611.8115.7519.69-107.87TR25x53.15.55M 10M 10.41.53M 8
Show / Hide columns
Dimensions in: Inch | Metric
1.57.53M 82.362.
1.97.53M 82.832.
2.36.65M 103.393.
Show / Hide columns
Dimensions in: Inch (change to Metric)
DIN 6885
-.79.71-.18.31A2x2x12GN 955-GN 923.18
1.381. 954GN 9054GN 923.30
1.501.542. 953GN 9053GN 924.40
1.971.812. 953GN 9053GN 924.50
2.362. 953GN 9053GN 924.60
* usually not available from stock
*** usable depth of thread min. 1,5 x d4
** usable depth of thread from both sides min. 2 x d3

Build & Price

Diameter d1
Length l1


Selected Part

Total USD (net)
In stock: 0
Call / Email for Delivery Time
Please note our quantity discounts (USD).
≥ 25$412.54
Weight: 1.411 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
RoHS compliant: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
All Prices are in US Dollars. Taxes Not Included.

CAD Download

Email CAD File

To receive an email with a CAD download without creating an account, please enter your e-mail address. Max of 3 CAD files per day unless you create an account.

Please enter the code you can find in the picture.

Save as Favorites

Please enter the code you can find in the picture.

Need Help?

Our service team is available from Monday to Friday between 7:30 AM and 5:00 PM Central Time:800-877-8351

Special Requests | Contact our sales team

This could also be interesting...

Hinweis zur Weiterleitung

Für diese Landesversion verlassen Sie die aktuelle Webseite und werden zur jeweiligen Landesvertretung weitergeleitet. Bitte beachten Sie, dass es zu Abweichungen von Darstellung und Inhalten kommen kann.

Sie werden nicht automatisch weitergeleitet. Bitte klicken Sie den unten genannten Link.

Note about forwarding

For this country version you leave the current website and are forwarded to the respective country representation. Please note that there may be deviations in presentation and content.

You will not be redirected automatically. Please click on the link below.

JW Winco, USA
JW Winco - Contact

United States
Phone: 800-877-8351
Fax: 800-472-0670
Hours M-F 7:30 AM - 5:00 PM CT

Request Callback:

Privacy Policy

Request a Catalog

Request one of our many catalogs! For an overview of our products request the Product Overview Catalog (POC).

Request Free Catalogs

Sales Contacts

You are looking for a Winco partner near you? Please select the country.