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

Promotional pricing ends 30/11/2024

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

(i)Remark

See catalog for specification details.
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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
CDUJB6-4S-F8N
CDUJB6-4S-M9PLS
CDUJB6-4SM-M9PS
CDUJB6-6S-F8N
CDUJB6-6SM
CDUJB6-6SM-F8BS
CDUJB6-6SM-F8P
CDUJB6-8S
CDUJB6-8S-F8PL
CDUJB6-8S-M9NS
CDUJB6-8SM
CDUJB6-8SM-F8PLS
CDUJB8-4S
CDUJB8-6SM
CDUJB8-8S-F8P
CDUJB8-8S-M9PSAPCS
CDUJB8-8SM
CDUJB8-10S-F8B
CDUJB8-10S-F8P
CDUJB8-10S-F8PL
CDUJB8-10S-F8PZ
CDUJB8-10SM
CDUJB10-4S-F8BS
CDUJB10-4S-F8P
CDUJB10-4S-F8PL
CDUJB10-4SM
CDUJB10-6SM
CDUJB10-8S-F8N
CDUJB10-8SM
CDUJB10-10S-F8BLS
CDUJB10-10S-F8PL
CDUJB10-10S-M9PS
CDUJB10-10SM-M9BS
CUJB8-4SM
CUJB8-6SM
CUJB8-8S
CUJB8-8SM
CUJB8-10SM
CUJB10-6SM
CUJB10-8S
CUJB10-8SM
CUJB10-10SM

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
128.34 €	1	26 Days	Single Acting (Extruded)	6	4	-10～60	0.3～0.7	F8N	0.5	2 pcs.	Female rod end	None	Built-in magnet
67.69 €	1	26 Days	Single Acting (Extruded)	6	4	-10～60	0.3～0.7	M9P	3	1 pc.	Female rod end	None	Built-in magnet
64.90 €	1	26 Days	Single Acting (Extruded)	6	4	-10～60	0.3～0.7	M9P	0.5	1 pc.	Male rod end	None	Built-in magnet
129.55 €	1	26 Days	Single Acting (Extruded)	6	6	-10～60	0.3～0.7	F8N	0.5	2 pcs.	Female rod end	None	Built-in magnet
32.94 €	1	26 Days	Single Acting (Extruded)	6	6	-10～70	0.3～0.7	None	-	-	Male rod end	None	Built-in magnet
81.77 €	1	26 Days	Single Acting (Extruded)	6	6	-10～60	0.3～0.7	F8B	0.5	1 pc.	Male rod end	None	Built-in magnet
130.52 €	1	26 Days	Single Acting (Extruded)	6	6	-10～60	0.3～0.7	F8P	0.5	2 pcs.	Male rod end	None	Built-in magnet
32.03 €	1	26 Days	Single Acting (Extruded)	6	8	-10～70	0.3～0.7	None	-	-	Female rod end	None	Built-in magnet
134.61 €	1	26 Days	Single Acting (Extruded)	6	8	-10～60	0.3～0.7	F8P	3	2 pcs.	Female rod end	None	Built-in magnet
63.94 €	1	26 Days	Single Acting (Extruded)	6	8	-10～60	0.3～0.7	M9N	0.5	1 pc.	Female rod end	None	Built-in magnet
32.94 €	1	26 Days	Single Acting (Extruded)	6	8	-10～70	0.3～0.7	None	-	-	Male rod end	None	Built-in magnet
84.29 €	1	26 Days	Single Acting (Extruded)	6	8	-10～60	0.3～0.7	F8P	3	1 pc.	Male rod end	None	Built-in magnet
33.73 €	1	22 Days	Single Acting (Extruded)	8	4	-10～70	0.3～0.7	None	-	-	Female rod end	None	Built-in magnet
34.74 €	1	26 Days	Single Acting (Extruded)	8	6	-10～70	0.3～0.7	None	-	-	Male rod end	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
34.74 €	1	26 Days	Single Acting (Extruded)	8	8	-10～70	0.3～0.7	None	-	-	Male rod end	None	Built-in magnet
130.15 €	1	26 Days	Single Acting (Extruded)	8	10	-10～60	0.3～0.7	F8B	0.5	2 pcs.	Female rod end	None	Built-in magnet
131.35 €	1	26 Days	Single Acting (Extruded)	8	10	-10～60	0.3～0.7	F8P	0.5	2 pcs.	Female rod end	None	Built-in magnet
136.40 €	1	26 Days	Single Acting (Extruded)	8	10	-10～60	0.3～0.7	F8P	3	2 pcs.	Female rod end	None	Built-in magnet
141.69 €	1	26 Days	Single Acting (Extruded)	8	10	-10～60	0.3～0.7	F8P	5	2 pcs.	Female rod end	None	Built-in magnet
34.74 €	1	26 Days	Single Acting (Extruded)	8	10	-10～70	0.3～0.7	None	-	-	Male rod end	None	Built-in magnet
82.60 €	1	26 Days	Single Acting (Extruded)	10	4	-10～60	0.2～0.7	F8B	0.5	1 pc.	Female rod end	None	Built-in magnet
130.16 €	1	26 Days	Single Acting (Extruded)	10	4	-10～60	0.2～0.7	F8P	0.5	2 pcs.	Female rod end	None	Built-in magnet
136.40 €	1	26 Days	Single Acting (Extruded)	10	4	-10～60	0.2～0.7	F8P	3	2 pcs.	Female rod end	None	Built-in magnet
34.74 €	1	26 Days	Single Acting (Extruded)	10	4	-10～70	0.2～0.7	None	-	-	Male rod end	None	Built-in magnet
34.74 €	1	26 Days	Single Acting (Extruded)	10	6	-10～70	0.2～0.7	None	-	-	Male rod end	None	Built-in magnet
131.35 €	1	26 Days	Single Acting (Extruded)	10	8	-10～60	0.2～0.7	F8N	0.5	2 pcs.	Female rod end	None	Built-in magnet
34.74 €	1	26 Days	Single Acting (Extruded)	10	8	-10～70	0.2～0.7	None	-	-	Male rod end	None	Built-in magnet
85.11 €	1	26 Days	Single Acting (Extruded)	10	10	-10～60	0.2～0.7	F8B	3	1 pc.	Female rod end	None	Built-in magnet
135.10 €	1	26 Days	Single Acting (Extruded)	10	10	-10～60	0.2～0.7	F8P	3	2 pcs.	Female rod end	None	Built-in magnet
65.74 €	1	26 Days	Single Acting (Extruded)	10	10	-10～60	0.2～0.7	M9P	0.5	1 pc.	Female rod end	None	Built-in magnet
65.82 €	1	26 Days	Single Acting (Extruded)	10	10	-10～60	0.2～0.7	M9B	0.5	1 pc.	Male rod end	None	Built-in magnet
31.08 €	1	26 Days	Single Acting (Extruded)	8	4	-10～70	0.3～0.7	None	-	-	Male rod end	None	Without magnet
31.19 €	1	26 Days	Single Acting (Extruded)	8	6	-10～70	0.3～0.7	None	-	-	Male rod end	None	Without magnet
30.23 €	1	26 Days	Single Acting (Extruded)	8	8	-10～70	0.3～0.7	None	-	-	Female rod end	None	Without magnet
31.19 €	1	26 Days	Single Acting (Extruded)	8	8	-10～70	0.3～0.7	None	-	-	Male rod end	None	Without magnet
31.19 €	1	26 Days	Single Acting (Extruded)	8	10	-10～70	0.3～0.7	None	-	-	Male rod end	None	Without magnet
31.19 €	1	26 Days	Single Acting (Extruded)	10	6	-10～70	0.2～0.7	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
31.19 €	1	26 Days	Single Acting (Extruded)	10	10	-10～70	0.2～0.7	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 (Tube) Inner Diameter(Ø)
4

6

8

10
Clear
Stroke(mm)
4

6

8

10

15

20

25

30
Clear
Auto Switch
F8B

F8N

F8P

M9B

M9N

M9P

None
Clear
Lead Wire Length(m)
- 0.5
- 3
- 5
- M8-3 pin plug connector / 0.5
Clear
Number of Switches
1 pc.

2 pcs.
Clear
Rod Tip Shape
- Rod-end female threaded (without thread for ø4)
- Female rod end
- Male rod end
- Without thread
Clear
Custom-made Specifications
- Heat resistant cylinder (-10 to 150°C)
- None
Clear
Lock unit magnet
- Built-in magnet
- Without magnet
Clear
Type
- CDUJB
- CUJB
Clear
Cylinder Operation Method
- Double Acting
  - Double Acting
  - With Return Spring
- Single Acting (Extruded)
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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 .