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You are here: Product Overview > 3.8 Adjusting, Moving with Guides, Spindles and Ball Rollers > Linear Actuators, Linear Actuator Connectors > GN 491 Double Tube Linear Actuators previous product next product

GN 491 Double Tube Linear Actuators with Right or Left Hand Thread, Single Slider

Photo

GN 491 Double Tube Linear Actuators, Single Slider

Standard sheet GN 491 Print this page Mounting facilities Other designs Operating instruction GN 491 / GN 492 Further information / Load data

Product description

Information

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 travel length is available.

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

Specification

Guide tubes DIN 2391
Steel, chrome-platedSCR

End pieces / Slider
Aluminum

Powder coated
Black, RAL 9005, textured finish
Fixing surface / mounting surface
Machined, plain finish

Spindle with trapezoidal thread

Steel, plain finish
with ball-bearing
Positioning accuracy ±0,2 mm / 300 mm travel

Follower nut
Gun metal

Socket cap screws DIN 912
Steel, zinc plated

Hex nuts DIN 985
Steel, zinc plated
Self-locking with polyamide ring

RoHS

Accessory

Installation Kits GN 491.1

Technical drawing

GN 491 Double Tube Linear Actuators, Single Slider sketch

Hide technical drawing

GN 491 Double Tube Linear Actuators, Single Slider sketch

Article options / Table

Type

R1	Right 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

d₁	l₁ Travel (Adjustable stroke of the slider) Standard length				max. travel	Shaft thread	b	d₂	d₃ **	d₄ ***	d₅	d₆	for screw DIN 912

18	100	150	200	250	420	TR10x3	28	6	-	M 5	5,3	-	-
30	100	150	200	300	1500	TR14x4	50	8	M 6	M 6	6,5	9	M 5
40	100	150	200	300	2650	TR20x4	60	12	M 8	M 8	8,5	13,5	M 6
50	100	150	200	300	2760	TR20x4	72	12	M 10	M 8	8,5	13,5	M 8
60	300	400	500	-	2740	TR25x5	80	14	M 10	M 10	10,5	13,5	M 8

Show / Hide columns

d₁	d₇	for socket cap screw DIN 912	h₁	h₂	h₃	h₄	h₅	l₂ Total length	l₃	l₄	m₁	m₂	m₃	m₄

18	-	-	28	29	1	14,5	0,75	3xb+l1	81	16	2xb+l1	68	-	20
30	10,5	M 6	52	54	2	27	0,85	3xb+l1	130	16	2xb+l1	114	92	30
40	13,5	M 8	60	63	3	31,5	1,05	3xb+l1	180	17	2xb+l1	160	132	39
50	13,5	M 8	72	76	4	38	1,2	3xb+l1	206	18	2xb+l1	184	150	46
60	16,5	M 10	86	90	4	45	1,35	3xb+l1	240	19	2xb+l1	216	185	55

Show / Hide columns

d₁	m₅	m₆	m₇	m₈	m₉	s Hexagon	Parallel key DIN 6885	Installation kit	Position indicator		Handwheel

18	-	20	18	-	4,5	8	A2x2x12	GN 491.1	GN 955	-	GN 9234
30	35	30	42	9,5	12	10	A2x2x12	GN 491.1	GN 954	GN 9054	GN 9234
40	38	39	62	12,5	12	13	A4x4x12	GN 491.1	GN 953	GN 9053	GN 9234
50	50	46	62	13	15	13	A4x4x12	GN 491.1	GN 953	GN 9053	GN 9234
60	60	55	74	14	16,5	17	A5x5x16	GN 491.1	GN 953	GN 9053	GN 9234

* usually not available from stock

** usable depth of thread from both sides min. 2 x d₃

*** usable depth of thread min. 1,5 x d₄

Build & Price

Open 3D configurator

Mounting facilities of the end pieces

Horizontal

with screws for thread d₄ or bore d₅

Vertical

From outside, with screws for thread d₃
From inside, with screws for bore d₆
From inside, with screws for bore d₅ / d₇

Sketch GN 491 horizontal

Sketch GN 491 vertical

Mounting facilities at the slider

Mounting with screws for thread d₄ or bore d₅

Sketch GN 491 slider

Assembly of position indicator and handwheel

Usage of installation kit, position indicator and handwheel

Sketch GN 491 handweehl

Load capacity

Technische Beschreibung

Show / Hide columns

d	Fx in N	Fy in N l = 500	l = 1000	l = 1500	Mx in Nm	My in Nm	Mz in Nm

18	425	215	110	-	22	35	40
30	850	1100	900	550	100	100	100
40	1100	3700	2800	1400	150	140	170
50	1900	3850	2400	2100	180	220	290
60	2700	6900	5700	5100	320	350	500

Show / Hide columns

d	Fz in N l = 500	l = 1000	l = 1500	Mx in Nm	My in Nm	Mz in Nm

18	105	80	-	22	35	40
30	600	350	150	100	100	100
40	2100	600	180	150	140	170
50	3100	700	200	180	220	290
60	6300	2800	360	320	350	500

Selected Part (How to order)

Part number

Total (net)

340,41 €

plus VAT 64,68 €
gross 405,09 €

In stock

Weight: 0,640 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).

Customs tariff number

84879059

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 49,99 €

Quantity

All prices in accordance with our price list No. 56, valid from 1 September 2024, plus VAT only valid for Germany.

CAD data

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