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Compact Air Cylinders


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Mini Free Mount Cylinder CUJ/CDUJ

Features
    ・Space saving: Total length reduced by 64% and capacity by 70% (Compared to the CU series)
    ・With auto switch (CDUJ series: CDUJ)
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
  • Mini Free Mount Cylinder CUJ/CDUJ
    Symbol Specifications Download
    -XA1・2・6・7・11・17・18 Simple Specials CUJ(φ6 to φ20):Change of rod end shape PDF
  • Mini Free Mount Cylinder CUJ/CDUJ
    Symbol Specifications Download
    -XB6 Made to Order Common Specifications Heat resistant cylinder (－10 to 150℃) PDF
    -XC22 Made to Order Common Specifications Fluororubber seals PDF
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Quick Selection Table
Simple Specials　Made to Order Common Specifications　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCUJDouble acting, Single rod4，6，8，10，12，16，20
StandardCUJSingle acting (Spring return)4，6，8，10，12，16，20

Longer Life Cylinder CUJ-XB24

Features
    ・New technology offers at least 4 times better durability.
    　The maintenance intervals will be extended.
    ・Employs the same specification and dimensions as the existing models,
    　CUJ Mini Free Mount Cylinder series
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
Longer lifeCUJ-XB24Double acting, Single rod4，6，8，10，12，16，20

Free Mount Cylinder CU/CDU

Features
    ・Space-saving cylinder that enables the direct mounting of cylinders on multiple sides
    ・With auto switch (CDU series: CDU, CDUW, CDUK, CDUKW, CDU-A, ZCDUK)
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
  • Free Mount Cylinder CU/CDU
    Manual
    Type Series Action Bore size (mm) View search result
    StandardCUDouble acting, Single rod6，10，16，20，25，32View search result
    StandardCUSingle acting (Spring return/extend)6，10，16，20，25，32View search result
    StandardCUWDouble acting, Double rod6，10，16，20，25，32View search result
    Non-rotating rodCUKDouble acting, Single rod6，10，16，20，25，32View search result
    Non-rotating rodCUKSingle acting (Spring return/extend)6，10，16，20，25，32View search result
    Non-rotating rodCUKWDouble acting, Double rod6，10，16，20，25，32View search result
    Long stroke/StandardCUDouble acting, Single rod6，10，16，20，25，32View search result
    Long stroke/
    Non-rotating rod    		CUKDouble acting, Single rod6，10，16，20，25，32View search result
    With air cushionCU-ADouble acting, Single rod20，25，32View search result
    For vacuumZCUKDouble acting, Single rod10，16，20，25，32
  • Free Mount Cylinder CU/CDU
    Symbol Specifications Download
    -XB6 Made to Order Common Specifications Heat resistant cylinder (－10 to 150℃) PDF
    -XB7 Made to Order Common Specifications Cold resistant cylinder (－40 to 70℃) PDF
    -XB9 Made to Order Common Specifications Low speed cylinder (10 to 50 mm/s) PDF
    -XB13 Made to Order Common Specifications Low speed cylinder (5 to 50 mm/s) PDF
    -XC8 Made to Order Common Specifications Adjustable stroke cylinder/Adjustable extension type PDF
    -XC19 Made to Order Common Specifications Intermediate stroke (Spacer type) PDF
    -XC22 Made to Order Common Specifications Fluororubber seals PDF
    -XC34 Made to Order Common Specifications Non-rotating plate with workpiece mounting screw (No extended part on the rod end) PDF
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Quick Selection Table
Simple Specials　Made to Order Common Specifications　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCUDouble acting, Single rod6，10，16，20，25，32
StandardCUSingle acting (Spring return/extend)6，10，16，20，25，32
StandardCUWDouble acting, Double rod6，10，16，20，25，32
Non-rotating rodCUKDouble acting, Single rod6，10，16，20，25，32
Non-rotating rodCUKSingle acting (Spring return/extend)6，10，16，20，25，32
Non-rotating rodCUKWDouble acting, Double rod6，10，16，20，25，32
Long stroke/StandardCUDouble acting, Single rod6，10，16，20，25，32
Long stroke/
Non-rotating rod		CUKDouble acting, Single rod6，10，16，20，25，32
With air cushionCU-ADouble acting, Single rod20，25，32
For vacuumZCUKDouble acting, Single rod10，16，20，25，32

Longer Life Cylinder CU-XB24

Features
    ・New technology offers at least 4 times better durability.
    　The maintenance intervals will be extended.
    ・Employs the same specification and dimensions as the existing models, CU Free Mount Cylinder series
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
Longer lifeCU-XB24Double acting, Single rod6，10，16，20，25，32

Square Shape Compact Cylinder CU-X3160

    ・Now, more compact and lightweight due to the adoption of a square shape piston!
    　Weight: 59% reduction (170 g→70 g)
    　Overall length: 25% reduction 132 mm a 99.5 mm
    ・Reduced cover dimensions (1 size smaller than the existing model) but with increased output
    ・Small auto switches can be mounted on 4 surfaces.

    ∗ The CU-X3160 series will be discontinued in June 2023.
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCU-X3160Double acting single rod20

Free Mount Cylinder/Compact Type CDU-X3178

    ・Now, more compact and lightweight due to the adoption of a rectangular shape piston!
    ・Weight: 49% reduction
    ・Width: 35% reduction
    ・Overall length: 10% reduction
    ・Mounting is possible from 5 directions.
    　The pitch and diameter of the mounting holes for lateral mounting are the same as those of the existing CU series model.
    ・The dedicated spacer allows for interchangeable height when laterally
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
Compact typeCDU-X3178Double acting single rod20，32

Compact Cylinder/Compact Type CQS/CDQS

Features
    ・With this compact square type cylinder, auto switch mounting on 3 or 4 sides is possible.
    　This compact cylinder does not protrude from the body when mounting an auto switch.
    ・Newly added compact type foot brackets and double clevis pivot bracket
    ・With auto switch (CDQS series: CDQS, CDQSW, CDQSK, CDQSKW, CDQS□S)
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
  • Compact Cylinder/Compact Type CQS/CDQS
    Symbol Specifications Download
    -XA1・2・6・7・11・17・18 Simple Specials CQS/CQS-XB24/CQ2/CQ2-XB24/RQ/CLQ(φ12 to φ25):Change of rod end shape PDF
  • Compact Cylinder/Compact Type CQS/CDQS
    Symbol Specifications Download
    -XB6 Made to Order Common Specifications Heat resistant cylinder (－10 to 150℃) PDF
    -XB7 Made to Order Common Specifications Cold resistant cylinder (－40 to 70℃) PDF
    -XB9 Made to Order Common Specifications Low speed cylinder (10 to 50 mm/s) PDF
    -XB10 Made to Order Common Specifications Intermediate stroke (Using exclusive body) PDF
    -XB13 Made to Order Common Specifications Low speed cylinder (5 to 50 mm/s) PDF
    -XC6 Made to Order Common Specifications Made of stainless steel PDF
    -XC8 Made to Order Common Specifications Adjustable stroke cylinder/Adjustable extension type PDF
    -XC9 Made to Order Common Specifications Adjustable stroke cylinder/Adjustable retraction type PDF
    -XC10 Made to Order Common Specifications Dual stroke cylinder/Double rod type PDF
    -XC11 Made to Order Common Specifications Dual stroke cylinder/Single rod type PDF
    -XC26 Made to Order Common Specifications With split pins for double clevis pin/double knuckle joint pin and flat washers PDF
    -XC27 Made to Order Common Specifications Double clevis and double knuckle joint pins made of stainless steel PDF
    -XC92 Made to Order Common Specifications Dust resistant actuator PDF
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Quick Selection Table
Simple Specials　Made to Order Common Specifications　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCQSDouble acting, Single rod12，16，20，25
StandardCQSSingle acting (Spring return/extend)12，16，20，25
StandardCQSWDouble acting, Double rod12，16，20，25
Non-rotating rodCQSKDouble acting, Single rod12，16，20，25
Non-rotating rodCQSKWDouble acting, Double rod12，16，20，25
Anti-lateral loadCQS□SDouble acting, Single rod12，16，20，25

Longer Life Cylinder CQS-XB24

Features
    ・New technology offers at least 4 times better durability.
    　The maintenance intervals will be extended.
    ・Employs the same specification and dimensions as the existing models,
    　CQS Compact Cylinder series
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
  • Longer Life Cylinder CQS-XB24
    Symbol Specifications Download
    -XA1・2・6・7・11・17・18 Simple Specials CQS/CQS-XB24/CQ2/CQ2-XB24/RQ/CLQ(φ12 to φ25):Change of rod end shape PDF
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions　Model Selection/Technical Data　Quick Selection Table　Simple Specials　Made to Order Common Specifications　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
Longer lifeCQS-XB24Double acting, Single rod12, 16, 20, 25

Compact Cylinder JCQ/JCDQ

Features
    ・Compact: Overall length shortened by 6.5 mm, Width shortened by 6 mm, Height shortened by 4 mm
    ・Weight: Max. 46% lighter (382 g → 204 g) (Flange mounting)
    ・Volume: Max. 40% reduction
    ・With auto switch (JCDQ series: JCDQ)
    ・An axial foot type and a flange type have been added. (ø32 to ø100)
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardJCQDouble acting, Single rod12，16，20，25，32，40，50，63，80，100

Compact Cylinder CQ2/CDQ2

Features
    ・Sizes ø4, ø6, and ø10 have been added. [New]
    ・ø4 to ø200 lineup
    ・Space-saving cylinder designed with a compact body
    ・Small auto switches can be mounted on 4 surfaces.
    　(1 surface for ø6 and ø10, 2 surfaces for ø12 to ø25)
    ・No projection of the auto switch
    ・Weight: Reduced by 5 to 13% (Compared with the existing CQ2 series)
    ・Newly added compact type foot brackets and double clevis pivot bracket
    ・Part numbers with a rod end bracket and/or mounting bolt are available.
    　(It is not necessary to order a bracket for the applicable cylinder
    　separately.)
    ・With auto switch (CDQ2 series: CDQ2, CDQ2W, CDQ2K, CDQ2KW, CDQP2,
    　CDQ2□S, CDBQ2)
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
  • Compact Cylinder CQ2/CDQ2
    Symbol Specifications Download
    -XA1・2・6・7・11・17・18 Simple Specials CQS/CQS-XB24/CQ2/CQ2-XB24/RQ/CLQ(φ12 to φ25):Change of rod end shape PDF
    -XA1 to XA23/-XA26 to XA30 Simple Specials CQ2/CQ2-XB24/RQ/CLQ(φ32 to φ100)/CQ2 Large bore size(φ125 to φ200):Change of rod end shape PDF
  • Compact Cylinder CQ2/CDQ2
    Symbol Specifications Download
    -XB6 Made to Order Common Specifications Heat resistant cylinder (－10 to 150℃) PDF
    -XB7 Made to Order Common Specifications Cold resistant cylinder (－40 to 70℃) PDF
    -XB9 Made to Order Common Specifications Low speed cylinder (10 to 50 mm/s) PDF
    -XB10 Made to Order Common Specifications Intermediate stroke (Using exclusive body) PDF
    -XB10A Made to Order Common Specifications Intermediate stroke (Spacer-installed type) PDF
    -XB11 Made to Order Common Specifications Long stroke type PDF
    -XB13 Made to Order Common Specifications Low speed cylinder (5 to 50 mm/s) PDF
    -XB14 Made to Order Common Specifications Cylinder with heat resistant auto switch PDF
    -XC2（A） Made to Order Common Specifications Rod end length extended 10 mm PDF
    -XC4 Made to Order Common Specifications With heavy duty scraper PDF
    -XC6 Made to Order Common Specifications Made of stainless steel PDF
    -XC8 Made to Order Common Specifications Adjustable stroke cylinder/Adjustable extension type PDF
    -XC9 Made to Order Common Specifications Adjustable stroke cylinder/Adjustable retraction type PDF
    -XC10 Made to Order Common Specifications Dual stroke cylinder/Double rod type PDF
    -XC11 Made to Order Common Specifications Dual stroke cylinder/Single rod type PDF
    -XC26 Made to Order Common Specifications With split pins for double clevis pin/double knuckle joint pin and flat washers PDF
    -XC26□ Made to Order Common Specifications Double clevis width/Double knuckle width 12.5 mm 16.5 mm 19.5 mm: With double clevis double knuckle joint PDF
    -XC27 Made to Order Common Specifications Double clevis and double knuckle joint pins made of stainless steel PDF
    -XC35 Made to Order Common Specifications With coil scraper PDF
    -XC36 Made to Order Common Specifications With boss in rod side PDF
    -XC85 Made to Order Common Specifications Grease for food processing equipment PDF
    -XC88 Made to Order Common Specifications Spatter resistant coil scraper Lube-retainer Grease for welding (Piston rod: Stainless steel 304) PDF
    -XC89 Made to Order Common Specifications Spatter resistant coil scraper Lube-retainer Grease for welding (Piston rod: S45C) PDF
    -XC91 Made to Order Common Specifications Spatter resistant coil scraper Grease for welding (Piston rod: S45C) PDF
    -XC92 Made to Order Common Specifications Dust resistant actuator PDF
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Quick Selection Table
Simple Specials　Made to Order Common Specifications　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCQ2-ZDouble acting, Single rod4，6，10，12，16，20，25，32，40，50，63，80，100
StandardCQ2W-ZDouble acting, Double rod12，16，20，25，32，40，50，63，80，100
StandardCQ2-ZSingle acting (Spring return/extend)12，16，20，25，32，40，50
Large bore sizeCQ2-ZDouble acting, Single rod125，140，160，180，200
Large bore sizeCQ2W-ZDouble acting, Double rod125，140，160，180，200
Long strokeCQ2-ZDouble acting, Single rod32，40，50，63，80，100
Non-rotating rodCQ2K-ZDouble acting, Single rod12，16，20，25，32，40，50，63
Non-rotating rodCQ2KW-ZDouble acting, Double rod12，16，20，25，32，40，50，63
Water resistantCQ2-R/VDouble acting, Single rod20，25，32，40，50，63，80，100
Water resistantCQ2W-R/VDouble acting, Double rod40，50，63，80，100
Axial piping
（Common piping）		CQP2Double acting, Single rod12，16，20，25，32，40，50，63，80，100
Axial piping
（Common piping）		CQP2Single acting (Spring return/extend)12，16，20，25，32，40，50
Anti-lateral loadCQ2□S-ZDouble acting, Single rod32，40，50，63，80，100
With end lockCBQ2Double acting, Single rod20，25，32，40，50，63，80，100

Longer Life Cylinder CQ2-XB24

Features
    ・New technology offers at least 4 times better durability.
    　The maintenance intervals will be extended.
    ・Employs the same specification and dimensions as the existing models,
    　CQ2 Compact Cylinder series
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
  • Longer Life Cylinder CQ2-XB24
    Symbol Specifications Download
    -XA1・2・6・7・11・17・18 Simple Specials CQS/CQS-XB24/CQ2/CQ2-XB24/RQ/CLQ(φ12 to φ25):Change of rod end shape PDF
    -XA1 to XA23/-XA26 to XA30 Simple Specials CQ2/CQ2-XB24/RQ/CLQ(φ32 to φ100)/CQ2 Large bore size(φ125 to φ200):Change of rod end shape PDF
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
Longer lifeCQ2-XB24Double acting, Single rod12，16，20，25，32，40

Compact Cylinder / High Power Type CQE

Features
    ・Theoretical output: Max. 1.5 times
    ・This is done even with the same external dimensions of the CQ2 series.
    ・The theoretical output of the next larger bore sized cylinder is made
    　possible with the polygonal piston shape.
    ・Contributes to a lower pressure air line, Supply pressure decreased by
    　0.17 MPa
    　The same theoretical output is available even when the supply pressure
    　to the cylinder is decreased.
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
  • Compact Cylinder / High Power Type CQE
    Manual
    Type Series Action View search result
    High power typeCQEDouble acting, Single rodView search result
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size [mm]
High power typeCQEDouble acting, Single rod20，25，32，40

Compact Cylinder/Polygonal Piston Square Type CDQ2B-X3162

    ・Now, more compact and lightweight due to the adoption of a polygonal piston!
    　Weight: 30% reduction (199 g→139 g)
    　Height: 15% reduction (49.5 mm→42 mm)
    　Width: 13% reduction (45 mm→39 mm)
    　Overall length: 11% reduction (50 mm→44.5 mm)
    ・Small auto switches can be mounted on 4 surfaces.
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCDQ2B-X3162Double acting single rod32，40，50

Compact Cylinder/Polygonal Piston Rectangle Type CDQ2B-X3164

    ・Now, more compact and lightweight due to the adoption of a polygonal piston!
    ・The same height as the existing model but with reduced width and overall length
    　Weight: 28% reduction (278 g→200 g)
    　Width: 27% reduction (45 mm→33 mm)
    　Overall length: 7% reduction (50 mm→46.5 mm)
    ・Small auto switches can be mounted on 2 surfaces.
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCDQ2B-X3164Double acting single rod32，40，50

Compact Cylinder/Double Force Type CDQ2B-X3166

    ・This product is capable of providing double the force of the CQ2 series, without changing the width, due to the adoption of a rectangular piston.
    ・Weight: 51% reduction* (648 g→317 g)
    ・Overall length: 50% reduction* (130.5 mm→65 mm)
    　* Comparison with the existing model
    　　(CDQ2B32-25+0DCZ-XC11 Dual stroke cylinder)
    ・Small auto switches can be mounted on 4 surfaces.
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCDQ2B-X3166Double acting single rod45 (Equiv. ø32 x 2 piston area)
57 (Equiv. ø40 x 2 piston area)
71 (Equiv. ø50 x 2 piston area)

Compact Cylinder/Air Saving Type CDQ2B-X3150

    ・Air consumption: Max. 46% reduction
    　Uses the air exhausted from the extension side to supply the retraction side, thus reusing the air
    　(Built-in exhaust return circuit)
    ・Allows for increased energy savings just by piping to the product
    ・The dimensions and mounting dimensions are the same as those of the existing CDQ2 series model.
    　* For the through-hole mounting type only
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCDQ2B-X3150Double acting single rod32，40，50

Compact Cylinder Air Saving Type/Polygonal Piston Square Type
 CDQ2B-X3205

    ・Air saving and more compact! Improvements due to the adoption of a built-in exhaust return circuit and a polygonal piston
    ・Air consumption: Max. 46% reduction
    ・Uses the air exhausted from the extension side to supply the retraction side, thus reusing the air (Built-in exhaust return circuit)
    ・Reduce air consumption just by piping to the product
    ・Compact (Now with a polygonal piston)
    　Width: 13% reduction*
    　Height: 11% reduction*
    　Overall length: 11% reduction*
    　* Compared with the CDQ2 series, ø32, 10 mm stroke
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCDQ2B-X3205Double acting single rod32，40，50

Compact Cylinder Air Saving Type/Polygonal Piston Rectangle Type
 CDQ2B-X3206

    ・Air saving and more compact! Improvements due to the adoption of a built-in exhaust return circuit and a polygonal piston
    ・Air consumption: Max. 46% reduction
    ・Uses the air exhausted from the extension side to supply the retraction side, thus reusing the air (Built-in exhaust return circuit)
    ・Reduce air consumption just by piping to the product
    ・Compact (Now with a polygonal piston)
    　Width: 27% reduction*
    　Overall length: 7% reduction*
    　* Compared with the CDQ2 series, ø32, 10 mm stroke
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCDQ2B-X3206Double acting single rod32，40，50

Compact Cylinder Air Saving Type/Double Force Type CDQ2B-X3207

    ・Air saving and more compact! Improvements due to the adoption of a built-in exhaust return circuit and a polygonal piston (new size)
    ・Air consumption: Max. 46% reduction
    ・Uses the air exhausted from the extension side to supply the retraction side, thus reusing the air (Built-in exhaust return circuit)
    ・Reduce air consumption just by piping to the product
    ・Compact (Now with a polygonal piston)
    　This product is capable of providing double the force of the CQ2 series without changing the width.
    　Overall length: 50% reduction*
    　* Compared with the existing model (CDQ2B32-25+0DCZ-XC11 Dual stroke cylinder)
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCDQ2B-X3207Double acting single rod45(ø32×2piston area)
57(ø40×2piston area)
71(ø50×2piston area)

End Power Cylinder CDQ2A-X3260

Features
    ・Air consumption: Max. 73% reduction
    　3.6 L (ANR) → 2.3 L (ANR), Compared with the CQ2 series, ø50, 200 mm stroke
    ・Output is generated from 5 mm in front of the stroke end. (Extending operation only)
    　Energy saving can be achieved by using the assist cylinder to reach the output stroke position.
    ・Smooth operation even when output is generated
    ・Small auto switches can be mounted on 4 surfaces of the assist cylinder.
    ・The CQ2 series rod flange type is mountable.
    ・Optimal for applications such as press fitting and clamping that require force at the stroke end
    ・Controllable by a single solenoid valve in the same way as a conventional cylinder
Safety Instructions　Actuators/Precautions
Auto Switches/Precautions　Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCDQ2A-X3260Double acting, Single rodOutput cylinder: 40, 50
Assist cylinder: 20, 25

Compact Cylinder with Air Cushion RQ/RDQ

    ・The air cushion mechanism has been added to the CQS and
    　CQ2 series compact cylinders, extending the
    body length only + 2.5 mm to 13 mm.
    ・Absorbs nearly triple the amount of absorbable allowable kinetic energy (Compared to the rubber bumper of the CQS and CQ2 series)
    ・Newly added compact type foot brackets
    ・With auto switch (RDQ series: RDQ)
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
  • Compact Cylinder with Air Cushion RQ/RDQ
    Symbol Specifications Download
    -XA1・2・6・7・11・17・18 Simple Specials CQS/CQS-XB24/CQ2/CQ2-XB24/RQ/CLQ(φ12 to φ25):Change of rod end shape PDF
    -XA1 to XA23/-XA26 to XA30 Simple Specials CQ2/CQ2-XB24/RQ/CLQ(φ32 to φ100)/CQ2 Large bore size(φ125 to φ200):Change of rod end shape PDF
  • Compact Cylinder with Air Cushion RQ/RDQ
    Symbol Specifications Download
    -XC4 Made to Order Common Specifications With heavy duty scraper PDF
    -XC35 Made to Order Common Specifications With coil scraper PDF
Safety Instructions　Actuators/Precautions
Auto Switches/Precautions　Model Selection/Technical Data
Simple Specials　Made to Order Common Specifications　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardRQDouble acting, Single rod20，25，32，40，50，63，80，100

Compact Cylinder/Guide Rod Type CQM/CDQM

    ・Built-in guide rod in the CQS and CQ2 series compact cylinders
    ・Non-rotating accuracy: ±0.2° or less
    ・2 to 4 times the lateral load resistance
    　∗ Compared to the CQ series compact cylinder
    ・Loads can be directly mounted.
    ・Mounting dimensions are compatible with the CQS and CQ2 series.
    ・With auto switch (CDQM series: CDQM)
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
Safety Instructions　Actuators/Precautions
Auto Switches/Precautions　Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCQMDouble acting12，16，20，25，32，40
50，63，80，100

Compact Cylinder/Plate Type CQU

    ・The oval piston design reduces the width by a maximum of 40%.
    　(Compared with the CQ2 series)
    ・Weight: Reduced by up to 36% (Compared with the MU series)
    ・A small type auto switch can be mounted from 4 directions.
    ・No protrusion of the auto switch from the mounting slot
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
Safety Instructions　Actuators/Precautions
Auto Switches/Precautions　Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardCQUDouble acting, Single rod20，25，32，40

Plate Cylinder MU/MDU

    ・The oval piston design saves space. Cylinders can be mounted from multiple directions.
    ・It is possible to mount small auto switches in 4 directions.
    ・No protrusion of the auto switch from the mounting slot
    ・Available with a stroke of up to 300 mm
    ・With auto switch (MDU series: MDU, MDUW)
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
  • Plate Cylinder MU/MDU
    Symbol Specifications Download
    -XA1・6・7・11・17・18 Simple Specials MU(φ25 to φ63):Change of rod end shape PDF
  • Plate Cylinder MU/MDU
    Symbol Specifications Download
    -XC6 Made to Order Common Specifications Made of stainless steel PDF
Safety Instructions　Actuators/Precautions　Auto Switches/Precautions
Model Selection/Technical Data　Quick Selection Table　Simple Specials
Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardMU-ZDouble acting, Single rod25，32，40，50，63
StandardMU-ZSingle acting (Spring return/extend)25，32，40，50，63
StandardMUW-ZDouble acting, Double rod25，32，40，50，63

ISO Standard Compact Cylinder C55/CD55

    ・Compliant with ISO Standards (21287)
    ・It is possible to mount small auto switches on 4 surfaces.
    ・With auto switch (CD55 series: CD55)

    ∗ Standard type double-acting single rod C55 Series is to be discontinued
    　at the end of June 2025.
    　Please select C55-Z Series instead. ▶Click here for details.
  • 2D/3D CAD

    The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.

    Click here for 2D/3D CAD
    2D CAD
    Click here for 2D CAD
Safety Instructions　Actuators/Precautions
Auto Switches/Precautions　Model Selection/Technical Data　Green Procurement (RoHS)
TypeSeriesActionBore size (mm)
StandardC55Double acting, Single rod20，25，32，40，50，63，80，100

Compact Cylinder NCQ8

Safety Instructions　Green Procurement (RoHS)

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