Double tube linear actuators, single slider (491-40-300-R1-SCR)

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.

see also...
• Mounting facilities of the end pieces
• Technical information / Load data
• Double tube linear actuators GN 492 (with double slider)
• Handwheels for linear actuators
• Position indicators GN 953 / GN 954
• Position indicators GN 9053 / GN 9054

SCR • Guide tube DIN 2391
 Steel, chrome-plated
• End pieces / Slider
 Aluminum
  - 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 / Hexagon nuts DIN 985
 Steel, zinc plated
• RoHS compliant














 

• Installation kits GN 491.1 (for position indicators)

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

 

d1	d7		h1	h2	h3	h4	h5	l2	l3	l4	m1	m2	m3	m4
		for screw DIN 912						Total length
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	88	2	44	1.35	3xb+l1	240	19	2xb+l1	216	185	55

 

d1	m5	m6	m7	m8	m9	s Hexagon	Key DIN 6885	Installation kit	Position indicator		Handwheel
18	-	20	18	-	4.5	8	A2x2x12	GN 491.1	GN 955	-	GN 923.18
30	35	30	42	9.5	12	10	A2x2x12	GN 491.1	GN 954	GN 9054	GN 923.30
40	38	39	62	12.5	12	13	A4x4x12	GN 491.1	GN 953	GN 9053	GN 923.40 / GN 924.40
50	50	46	62	13	15	13	A4x4x12	GN 491.1	GN 953	GN 9053	GN 924.50
60	60	55	74	14	16.5	17	A5x5x16	GN 491.1	GN 953	GN 9053	GN 924.60

*** usable depth of thread min. 1.5 x d₄   ** usable depth of thread from both sides min. 2 x d₃   * normally not available from stock

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 with screws for thread d₄ or bore d₅

Usage of installation kit, position indicator and handwheel