Double Tube Linear Actuators GN 491

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

Standard Sheet GN 491 Print This Page Mounting Options Overview of Types Operating Instruction GN 491 / GN 492 Additional Information / Load Data

Product description

In addition to the standard stroke lengths of the double tube linear actuators GN 491 specified in the table, any stroke within the maximum stroke lengths is available.

In order to measure the movement or the position of the slider, digital position indicators can be attached.

Specification

Guide tubes DIN 2391
Steel, chrome plated finishSCR

End pieces / slider
Aluminum

Powder coated
Black, RAL 9005, textured finish
Mounting surfaces
Machined, plain finish

Trapezoidal thread spindle
Steel, plain finish

Ball-bearing
Position accuracy ±0.2 mm / 300 mm stroke

Lead nut
Gunmetal

Socket cap screws DIN 912
Steel, zinc plated

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

RoHS

Accessory

Installation Kits GN 491.1

On request

Version in stainless steel
Tube with longitudinal scale
Right-hand thread, shaft journal at both ends
Left-hand thread, shaft journal at one end
Left-hand thread, shaft journal at both ends

Hide technical drawing

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

Part 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

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Metric

Dimensions in: Inch (change to Metric)

d₁	l₁ Stroke (adjustment travel of the slider) Standard lengths				Max. stroke	Threaded spindle	b	d₂	d₃ **	d₄ ***	d₅	d₆	For screw DIN 912

0.71	3.94	5.91	7.87	9.84	16.54	TR10x3	1.10	0.24	-	M 5	0.21	-	-
1.18	3.94	5.91	7.87	11.81	59.06	TR14x4	1.97	0.31	M 6	M 6	0.26	0.35	M 5
1.57	3.94	5.91	7.87	11.81	104.33	TR20x4	2.36	0.47	M 8	M 8	0.33	0.53	M 6
1.97	3.94	5.91	7.87	11.81	108.66	TR20x4	2.83	0.47	M 10	M 8	0.33	0.53	M 8
2.36	11.81	15.75	19.69	-	107.87	TR25x5	3.15	0.55	M 10	M 10	0.41	0.53	M 8

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Dimensions in: Inch (change to Metric)

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

0.71	-	-	1.10	1.14	0.04	0.57	0.03	3xb+l1	3.19	0.63	2xb+l1	2.68	-	0.79
1.18	0.41	M 6	2.05	2.13	0.08	1.06	0.03	3xb+l1	5.12	0.63	2xb+l1	4.49	3.62	1.18
1.57	0.53	M 8	2.36	2.48	0.12	1.24	0.04	3xb+l1	7.09	0.67	2xb+l1	6.30	5.20	1.54
1.97	0.53	M 8	2.83	2.99	0.16	1.50	0.05	3xb+l1	8.11	0.71	2xb+l1	7.24	5.91	1.81
2.36	0.65	M 10	3.39	3.46	0.08	1.73	0.05	3xb+l1	9.45	0.75	2xb+l1	8.50	7.28	2.17

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Dimensions in: Inch (change to Metric)

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

0.71	-	0.79	0.71	-	0.18	0.31	A2x2x12	GN 491.1	EN 955	-	GN 9234
1.18	1.38	1.18	1.65	0.37	0.47	0.39	A2x2x12	GN 491.1	EN 954	EN 9054	GN 9234
1.57	1.50	1.54	2.44	0.49	0.47	0.51	A4x4x12	GN 491.1	EN 953	EN 9053	GN 9234
1.97	1.97	1.81	2.44	0.51	0.59	0.51	A4x4x12	GN 491.1	EN 953	EN 9053	GN 9234
2.36	2.36	2.17	2.91	0.55	0.65	0.67	A5x5x16	GN 491.1	EN 953	EN 9053	GN 9234

*Usually not available from stock

**Usable thread depth on both sides min. 2 x d₃

***Usable thread depth min. 1.5 x d₄

Build & Price

Mounting Options of 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

Mounting Options at the Slider

Mounting with screws for thread d₄ or bore d₅

Assembly of Position Indicator and Handwheel

Usage of installation kit, position indicator and handwheel

Load Capacity

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d	Fx	Fy l = 500 mm 19.69	l = 1000 mm 39.37	l = 1500 mm 59.06	Mx in Nm	My in Nm	Mz in Nm

18	95.54 lbf (425 N)	48.33 lbf (215 N)	24.73 lbf (110 N)	-	22	35	40
30	191 lbf (850 N)	247 lbf (1100 N)	202 lbf (900 N)	124 lbf (550 N)	100	100	100
40	247 lbf (1100 N)	832 lbf (3700 N)	629 lbf (2800 N)	315 lbf (1400 N)	150	140	170
50	427 lbf (1900 N)	866 lbf (3850 N)	540 lbf (2400 N)	472 lbf (2100 N)	180	220	290
60	607 lbf (2700 N)	1551 lbf (6900 N)	1281 lbf (5700 N)	1147 lbf (5100 N)	320	350	500

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d	Fz l = 500 mm 19.69	l = 1000 mm 39.37	l = 1500 mm 59.06	Mx in Nm	My in Nm	Mz in Nm

18	23.60 lbf (105 N)	17.98 lbf (80 N)	-	22	35	40
30	135 lbf (600 N)	78.68 lbf (350 N)	33.72 lbf (150 N)	100	100	100
40	472 lbf (2100 N)	135 lbf (600 N)	40.47 lbf (180 N)	150	140	170
50	697 lbf (3100 N)	157 lbf (700 N)	44.96 lbf (200 N)	180	220	290
60	1416 lbf (6300 N)	629 lbf (2800 N)	80.93 lbf (360 N)	320	350	500

Selected Part

Part Number

Total (net)

US$653.11

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Quantity

Please note our quantity discounts (US Dollars).

Min	Max	Price
1	4	US$653.11
5	9	US$598.68
10	24	US$544.26
≥ 25		US$489.83

Prop 65: Not compliant

WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov

RoHS: Compliant

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)).

Weight: 1.411 lbs

If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351

All Prices are in US Dollars. Taxes Not Included.