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GN 1408 Telescopic Slides with Full Extension, Load Capacity up to 250 N


GN 1408 Telescopic Slides with Full Extension, Load Capacity up to 250 N

Product description


Telescopic slides GN 1408 are installed vertically and in pairs. The stroke reaches ≈ 100 % of the nominal length l1 (full extension).

The telescopic slides are delivered in pairs. They can be installed on the extension on either the left or right side due to the mechanics. All mounting holes are easy to reach through auxiliary holes. Only the mounting holes are shown, but other production-related holes may be present.


Slide profile
Steel, Zinc plated, blue passivatedZBZB

Roller bearing steel, hardened

Ball cage, outer slide

Ball cage, inner slide
Steel, zinc plated

Rubber stop and detach function
Plastic / Elastomer

Operating temperature -20 °C to 100 °C


On request

Other lengths and hole spacing
Other attachment options
Other surfaces

Technical drawing

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GN 1408 Telescopic Slides with Full Extension, Load Capacity up to 250 N sketch

Article options / Table


FWith rubber stop, locking device in back, detach function

Identification no.

1Mounting with through holes
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l1l2 +3 / -3
l3Fs per pair in N
at 10,000 cycles

at 100,000 cycles

Build & Price

Open 3D configurator
Length l1

Identification no.


Mounting holes - outer slide

Mounting holes - outer slide GN 1408
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Mounting holes - inner slide

Mounting holes - inner slide GN 1408
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Fastening screws

For the said loading forces FS to be absorbed reliably in the surrounding structure, all available through-holes of the outer slide having a diameter (Ø) of 4.2 and of the inner slide having a diameter (Ø) of 4.4 must be used. The elongated holes, Ø 4.2 x 4.4 of the outer slide and Ø 4.4 x 4.6 of the inner slide, are used likewise for fastening and facilitate adjustment during mounting when needed. Failure to use fastening screws reduces the specified load capacity accordingly. The following screws can be used for mounting:

Designation - standard
Hexagon socket button
head screw ISO 7380
Pan head screw,
Phillips ISO 7045
Pan head tapping screw,
Phillips ISO 7049

Outer slide

M 4

M 4

ST 3,9 / 4,2

Inner slide

M 4

M 4

ST 3,9 / 4,2

Rubber stop, locking device in back

Rubber stop, locking device in back

The rubber stops of type F dampen the impact of the slide in the respective end position. This feature minimizes noise development and increases the lifespan. Attached to the slides in a partially concealed, partially visible manner, the stops meet each of the requirements in regard to shape, material, and hardness.
The rubber stop takes on also a locking function in the back stop position. This feature is noticeable through a slight resistance on opening and closing the slide.
If larger static or dynamic loads occur in the direction of extension, they should be absorbed by external stop elements.

Detach function

Detach function

Type F has additionally a detach function through which the extension slides can be completely separated from one another in the area of the middle and inner slide. This feature not only facilitates mounting. It also allows the extension to be quickly removed, for example, when frequent maintenance work is performed on the components located behind.

The telescopic slide can be quickly and easily detached in the extracted position through activation of the release lever, allowing the inner slide to be removed from the front.

For reattaching the slides, the ball cages need to be moved to the front end position. Then the inner slide is inserted to the back end stop where it locks into place automatically.

The protected arrangement of the release mechanism prevents accidental detachment of the slide.

Detach function

Information on load capacity

The maximum load capacity of telescopic slides depends on the slide profile, the nominal length l1, and the resulting stroke l2. Furthermore, the extension width, the slide materials used, and the parts of the component options, such as the dampened self-retracting mechanism, have a considerable influence.
The information on the maximum load capacity of the telescopic slides was determined in fatigue tests under the following conditions:

  • Slide arrangement vertical in pairs
  • Observance of all mounting information
  • Warp-resistant test set-up
  • Equal distribution of the load FS throughout the extension finish
  • Standard slide spacing of 450 mm
  • 10,000, 50,000 or 100,000 test cycles
    (one extraction and retraction = one cycle)
  • Gradual increasing of load

Information on load capacity

Wear, performance, and maximum bending were assessed after every test segment.

Selected Part (How to order)

Total (net)
plus VAT 3,06 €
gross 19,17 €
Ask for delivery time
incl. material surcharge: 0,47 €
The material surcharge is already included in the price.
Weight: 0,595 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone +49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/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).
Please note our order discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 30 % discount

Surcharge for small volume purchases:
-> 15,00 Euro
for value of goods less than 25,00 €
-> 10,00 Euro
for value of goods from 25,00 to 50,00 €
All prices in accordance with our price list No. 55, valid from 1 September 2022, plus VAT only valid for Germany.

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