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GN491 Double Tube Linear Actuators Single Slider specified length maximum

Standard Machine Elements > Guides, Spindles, Ball Rollers, Slide Units, Guide Rails & Linear Actuators > Linear Actuators / Linear Actuator Connectors
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GN491 Double Tube Linear Actuator, Single Slider



Type R1 - Right hand thread, single shaft end

Type R2* - Right hand thread, double shaft end

Type L1 - Left hand thread, single shaft end

Type L2* - Left hand thread, double shaft end


Identification No 1 - short shaft end

Identification No 2* - long shaft end (for position indicator)

Identification No 3* - short shaft end and long shaft end (for position indicator)

* Available on Request

Select Values to Buy:

Tech Spec:


GN491 Double Tube Linear Actuator, Single Slider, with Right or Left Hand Thread

In addition to the standard travel lengths specified in the attached pdf table, 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 SCR

End pieces/Slider - Aluminium, plastic 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 - Gun metal

Cylinder head screws DIN 912 - Steel, zinc plated

Hexagon nuts DIN 985 - Steel, zinc plated


Installation kits GN491.1 are available, in order to mount position indicators, for example, GN953 & GN954

RoHS compliant

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