Mini Free Mount Cylinder, ø4, ø6, ø8, ø10, CUJ Series (CDUJB8-8DM)

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SMC

Product Details:

Manufacturer part number: CDUJB8-8DM

Brand: SMC

Price: 34.74 €

Delivery time: 4 Days

Technical Data:

Cylinder Operation Method: [Double Acting] Double Acting

Cylinder (Tube) Inner Diameter: 8 Ø

Stroke: 8 mm

Operating Temperature: -10～70 ℃

Operating Pressure: 0.15～0.7 MPa

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CDUJB8-8DM

Product specification
Part Numbers
Catalog

Mini Free Mount Cylinder ø4, ø6, ø8, ø10, CUJ Series Specifications

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Mini Free Mount Cylinder, o4, o6, o8, o10, CUJ Series

Double acting, single rod, without cushion

Single acting, spring return

Specifications

Bore size (mm)		4	6	10
Action		Double acting; Single acting, spring return
Fluid		Air
Proof pressure		1.05 MPa
Minimum operating pressure	Double acting	0.15 MPa		0.1 MPa
Minimum operating pressure	Single acting, spring return	0.35 MPa	0.3 MPa	0.2 MPa
Maximum operating pressure		0.7 MPa
Ambient and fluid temperature		Without auto switch: -10 to 70°C (No freezing) With auto switch: -10 to 60°C (No freezing)
Cushion		None
Lubrication		Non-lube
Piston speed		50 to 500 mm/s
Stroke length tolerance		0 to +0.5
Mounting		Through-hole

Standard Stroke

Action	Bore size (mm)	Standard stroke (mm)
Double acting	4	4, 6, 8, 10, 15, 20
	6	4, 6, 8, 10, 15, 20 25, 30
	8, 10
Single acting, spring return	4	4, 6
	6	4, 6, 8
	10	4, 6, 8, 10

Construction

Double Acting

Single Acting, Spring Return

Component Parts

No.	Description		Material	Note
1	Cylinder tube		Aluminum alloy	Hard anodized
2	Rod cover		Copper alloy	Electroless nickel plated
3	Piston	Without switch	Stainless steel
3	Piston	With switch	Aluminum alloy	Chromated
4	Piston rod		Stainless steel
5	Seal retainer		Aluminum alloy	Chromated (CUJB4 only)
6	Magnet retainer		Aluminum alloy	Chromated
7	Return spring		Piano wire
8	Bronze element		Sintered metallic BC
9	Magnet		-
10	Rod end nut		Iron	Chromated
11	Piston seal		NBR
12	Rod seal		NBR
13	Tube gasket		NBR

Replacement Parts: Seal Kit
Double Acting

Bore size (mm)	Kit no.	Contents
4	CUJB4-PS	Set of ⑪, ⑫, ⑬ and grease pack.
6	CUJB6-PS
8	CUJB8-PS
10	CUJB10-PS

∗ Seal kit ⑪ to ⑬ comes as a set. Use the kit number for each bore size.

Single Acting, Spring Return

Bore size (mm)	Kit no.	Contents
4	CUJB4-S-PS	Set of ⑪ and grease pack.
6	CUJB6-S-PS
8	CUJB8-S-PS
10	CUJB10-S-PS

∗ Use the following part number for ordering a grease pack only.
Grease part no.: GR-L-005 (5 g)

Dimensions: ø4 Double Acting; Single Acting, Spring Return

Dimensions: ø6 Double Acting; Single Acting, Spring Return

Dimensions: ø8 Double Acting; Single Acting, Spring Return

Dimensions: ø10 Double Acting; Single Acting, Spring Return

∗ Use caution especially when multiple cylinders are used in pararell such as stacking because the body width dimensions have plus tolerances. Contact SMC for a product with body width dimensions having different tolerances.

Data to be displayed: 30; 45; 60

Part Number
CDUJB8-8DM

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Cylinder Operation Method	Cylinder (Tube) Inner Diameter (Ø)	Stroke (mm)	Operating Temperature (℃)	Operating Pressure (MPa)	Auto Switch	Lead Wire Length (m)	Number of Switches	Rod Tip Shape	Custom-made Specifications	Lock unit magnet
	34.74 €	1		4 Days	[Double Acting] Double Acting	8	8	-10～70	0.15～0.7	None	-	-	Male rod end	None	Built-in magnet

Basic information

Rod Operation Method	Single Rods	Main Body Shape	Plate Cylinder	Additional Function	Standard
Environment, Applications	Standard	End Locking	NA	Valves	NA
Cushion	None	Type of Mount Support	Basic (through-hole type)

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Basic Attributes

Lead Wire Length(m)
- 0.5
- 3
- 5
- M8-3 pin plug connector / 0.5
Clear
Number of Switches
1 pc.

2 pcs.
Clear
Type
- CDUJB
- CUJB
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Cylinder Operation Method
- Double Acting
  - Double Acting
  - With Return Spring
- Single Acting (Extruded)
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Cylinder (Tube) Inner Diameter(Ø)
4

6

8

10
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Stroke(mm)
4

6

8

10

15

20

25

30
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Auto Switch
F8B

F8N

F8P

M9B

M9N

M9P

None
Clear
Rod Tip Shape
- Rod-end female threaded (without thread for ø4)
- Female rod end
- Male rod end
- Without thread
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Custom-made Specifications
- Heat resistant cylinder (-10 to 150°C)
- None
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Lock unit magnet
- Built-in magnet
- Without magnet
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Optional Attributes

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The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
CDUJB10-10D-F8BLS
CDUJB10-10D-F8NL
CDUJB10-10D-F8P
CDUJB8-8S
CDUJB8-8S-F8P
CDUJB8-8S-M9PSAPCS

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Cylinder Operation Method	Cylinder (Tube) Inner Diameter (Ø)	Stroke (mm)	Operating Temperature (℃)	Operating Pressure (MPa)	Auto Switch	Lead Wire Length (m)	Number of Switches	Rod Tip Shape	Custom-made Specifications	Lock unit magnet
85.11 €	1	26 Days	[Double Acting] Double Acting	10	10	-10～60	0.1～0.7	F8B	3	1 pc.	Female rod end	None	Built-in magnet
136.40 €	1	26 Days	[Double Acting] Double Acting	10	10	-10～60	0.1～0.7	F8N	3	2 pcs.	Female rod end	None	Built-in magnet
131.35 €	1	26 Days	[Double Acting] Double Acting	10	10	-10～60	0.1～0.7	F8P	0.5	2 pcs.	Female rod end	None	Built-in magnet
33.84 €	1	4 Days	[Double Acting] With Return Spring	8	8	-10～70	0.3～0.7	None	-	-	Rod-end female threaded (without thread for ø4)	None	Built-in magnet
131.35 €	1	26 Days	Single Acting (Extruded)	8	8	-10～60	0.3～0.7	F8P	0.5	2 pcs.	Female rod end	None	Built-in magnet
74.00 €	1	26 Days	Single Acting (Extruded)	8	8	-10～60	0.3～0.7	M9P	M8-3 pin plug connector / 0.5	1 pc.	Female rod end	None	Built-in magnet