Mini Free Mount Cylinder, ø4, ø6, ø8, ø10, CUJ Series (Part Numbers - CAD Download)

Promotional pricing ends 31/12/2024

An air cylinder manufactured by SMC.
[Features]
· Miniature body.
· Concentrates wiring and piping on one side.
· Allows installation from 4 directions.

(i)Remark

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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
CUJB10-8D
CUJB10-8DM
CUJB10-8S
CUJB10-8SM
CUJB10-10D
CUJB10-10D-XB6
CUJB10-10DM
CUJB10-10DM-XB6
CUJB10-10S
CUJB10-10SM
CUJB10-15D
CUJB10-15DM
CUJB10-15DM-XB6
CUJB10-20D
CUJB10-20D-XB6
CUJB10-20DM
CUJB10-20DM-XB6
CUJB10-25D
CUJB10-25DM
CUJB10-25DM-XB6
CUJB10-30D
CUJB10-30D-XB6
CUJB10-30DM

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
30.23 €	1	4 Days	[Double Acting] Double Acting	10	8	-10～70	0.1～0.7	None	-	-	Female rod end	None	Without magnet
31.19 €	1	22 Days	[Double Acting] Double Acting	10	8	-10～70	0.1～0.7	None	-	-	Male rod end	None	Without magnet
30.23 €	1	26 Days	Single Acting (Extruded)	10	8	-10～70	0.2～0.7	None	-	-	Female rod end	None	Without magnet
31.19 €	1	26 Days	Single Acting (Extruded)	10	8	-10～70	0.2～0.7	None	-	-	Male rod end	None	Without magnet
30.23 €	1	4 Days	[Double Acting] Double Acting	10	10	-10～70	0.1～0.7	None	-	-	Female rod end	None	Without magnet
36.48 €	1	26 Days	[Double Acting] Double Acting	10	10	-10～70	0.1～0.7	None	-	-	Female rod end	Heat resistant cylinder (-10 to 150°C)	Without magnet
31.19 €	1	4 Days	[Double Acting] Double Acting	10	10	-10～70	0.1～0.7	None	-	-	Male rod end	None	Without magnet
37.52 €	1	26 Days	[Double Acting] Double Acting	10	10	-10～70	0.1～0.7	None	-	-	Male rod end	Heat resistant cylinder (-10 to 150°C)	Without magnet
30.23 €	1	4 Days	[Double Acting] With Return Spring	10	10	-10～70	0.2～0.7	None	-	-	Female rod end	None	Without magnet
31.19 €	1	26 Days	Single Acting (Extruded)	10	10	-10～70	0.2～0.7	None	-	-	Male rod end	None	Without magnet
30.23 €	1	3 Days	[Double Acting] Double Acting	10	15	-10～70	0.1～0.7	None	-	-	Female rod end	None	Without magnet
31.19 €	1	4 Days	[Double Acting] Double Acting	10	15	-10～70	0.1～0.7	None	-	-	Male rod end	None	Without magnet
37.52 €	1	26 Days	[Double Acting] Double Acting	10	15	-10～70	0.1～0.7	None	-	-	Male rod end	Heat resistant cylinder (-10 to 150°C)	Without magnet
30.23 €	1	4 Days	[Double Acting] Double Acting	10	20	-10～70	0.1～0.7	None	-	-	Female rod end	None	Without magnet
36.90 €	1	26 Days	[Double Acting] Double Acting	10	20	-10～70	0.1～0.7	None	-	-	Female rod end	Heat resistant cylinder (-10 to 150°C)	Without magnet
31.19 €	1	22 Days	[Double Acting] Double Acting	10	20	-10～70	0.1～0.7	None	-	-	Male rod end	None	Without magnet
39.68 €	1	26 Days	[Double Acting] Double Acting	10	20	-10～70	0.1～0.7	None	-	-	Male rod end	Heat resistant cylinder (-10 to 150°C)	Without magnet
32.03 €	1	4 Days	[Double Acting] Double Acting	10	25	-10～70	0.1～0.7	None	-	-	Rod-end female threaded (without thread for ø4)	None	Without magnet
33.00 €	1	4 Days	[Double Acting] Double Acting	10	25	-10～70	0.1～0.7	None	-	-	Male rod end	None	Without magnet
39.60 €	1	26 Days	[Double Acting] Double Acting	10	25	-10～70	0.1～0.7	None	-	-	Male rod end	Heat resistant cylinder (-10 to 150°C)	Without magnet
31.98 €	1	4 Days	[Double Acting] Double Acting	10	30	-10～70	0.1～0.7	None	-	-	Rod-end female threaded (without thread for ø4)	None	Without magnet
32.39 €	1	26 Days	[Double Acting] Double Acting	10	30	-10～70	0.1～0.7	None	-	-	Female rod end	Heat resistant cylinder (-10 to 150°C)	Without magnet
32.94 €	1	26 Days	[Double Acting] Double Acting	10	30	-10～70	0.1～0.7	None	-	-	Male rod end	None	Without 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

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

2 pcs.
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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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Type
- CDUJB
- CUJB
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Optional Attributes

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