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Compact Low-Friction Cylinder MQQ Series (Part Numbers)

Compact Low-Friction Cylinder MQQ Series

A compact low-friction cylinder suitable for low pressures, low speeds, uniform speeds and low friction actuation.
[Features]
· Covers a range of actuation speeds and output controls thanks to its metal seal structure with minimal sliding resistance.
· Its minimal sliding resistance allows for low-pressure actuation at 0.005 MPa.
· Smooth and uniform-speed actuation ranges as low as 0.3 mm/s.
· Long lifespan: Long service life of 10,000 km or 100 million full cycles.
· Lateral load resistance: Features built-in ball bushings in the bearings for improved lateral load resistance. (MQQL)
· Its low sliding resistance allows output control in approximately 0.05‑N increments. (Based on cylinder piston area × pressure accuracy)
· No change to sliding resistance, even after extended periods of non-use.

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  • ■ SMC Product Line
    Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.
  • Refer to the manufacturer's catalog for specification and material details.
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PDF

Compact Low-Friction Cylinder MQQ Series Specifications

Compact Low-Friction Cylinder MQQ Series external appearance

Compact Low-Friction Cylinder MQQ Series external appearance

Symbol: Double acting, single rod

Symbol: Double acting, single rod

Specifications

Standard Type: MQQT

Tube Inner Diameter (mm)101620253040
Seal ConstructionMetal seal
ActionDouble acting, single rod
FluidAir
Proof Pressure1.05 MPa
Maximum operating pressure0.5 MPa
Minimum operating pressure0.005 MPa
Ambient and Fluid Temperature-10 to 80°C
CushioningRubber bumper (equipped as standard)
LubricationNot required (non-lubricated)
Rod-end threadFemale thread
Stroke Length Tolerance+1.0
0
Piston Speed0.3 to 300 mm/s
Total Leakage RateSupply Pressure 0.1 MPa150 cm3/min200 cm3/min300 cm3/min400 cm3/min
Supply pressure 0.3 MPa800 cm3/min1,000 cm3/min1,200 cm3/min1,600 cm3/min
Supply pressure 0.5 MPa1,500 cm3/min2,000 cm3/min3,000 cm3/min4,000 cm3/min

Lateral-Load-Resistant Type: MQQL

Tube Inner Diameter (mm)101620253040
Seal ConstructionMetal seal
ActionDouble acting, single rod
FluidAir
Proof Pressure1.05 MPa
Maximum operating pressure0.7 MPa
Minimum Operating Pressure*10.005 MPa
Ambient and Fluid Temperature-10 to 80°C
CushioningRubber bumper (Standard)
Lubrication*2Not required (non-lubricated)
Rod-end threadFemale thread
Stroke Length Tolerance+1.0
0
Operating Piston Speed*30.5 to 300 mm/s
Total Leakage Rate*4Supply Pressure 0.1 MPa150 cm3/min200 cm3/min300 cm3/min400 cm3/min
Supply pressure 0.3 MPa800 cm3/min1,000 cm3/min1,200 cm3/min1,600 cm3/min
Supply pressure 0.5 MPa1,500 cm3/min2,000 cm3/min3,000 cm3/min4,000 cm3/min

*1: Value when horizontal. (Use clean, dry and nonfreezing air) However, as the stroke increases, it will likely be affected by the weight of its moving parts and the pressure will likely increase by approximately 0.003 to 0.005 MPa due to an offset load from the weight of the rod.
*2: See p. 339 in the SMC catalog regarding information on lubrication. This product uses turbine oil as an initial lubricant. Lubricant may seep out of the rod or the piping port.
*3: Control low speed actuation with differential pressure, speed controllers, etc. (Refer to the recommended circuit example on p. 319 of the SMC catalog for details.)
*4: The values are only for reference and are not guaranteed.

Diagram

Standard type / MQQT diagram

Standard type / MQQT diagram

Lateral-load-resistant type / MQQL (built-in ball bushing type) diagram

Lateral-load-resistant type / MQQL (built-in ball bushing type) diagram

Component Parts

NumberPart NameMaterialNotes
1RodCarbon steelHard chrome plated
2PistonSpecial stainless steel-
3LinerSpecial stainless steel-
4SleeveSpecial stainless steel-
5Sleeve RetainerAluminum alloy-
6PlateAluminum alloyHard anodized aluminum
7GuideFluororesin-
8Cylinder TubingAluminum alloyHard anodized aluminum
9Bumper APolyurethane-
10Bumper BPolyurethane-
11BushingAluminum alloy-
12Bottom PlateAluminum alloyHard anodized aluminum
13O-ringNBR-
14Retaining RingCarbon tool steelPhosphate conversion coating
15BoltCarbon tool steelChromate
16Ball Bushing--

Mounting method

a) Mounting type A (when using the mounting plate threads)

a) Mounting type A (when using the mounting plate threads)

*Always use a flat washer for mounting type A.

b) Mounting type B (when using the cylinder tube threads)

b) Mounting type B (when using the cylinder tube threads)

Applicable Mounting Bolt Dimensions Table

ModelMounting Type AMounting Type B
Mounting Bolt SizeC (mm)D: Thread Length (mm)Mounting Bolt SizeE (mm)
Standard Type
MQQT
MQQTB10-□DM3 × 0.5735 + strokeM4 × 0.78 to 11
MQQTB16-□DM5 × 0.8735 + strokeM6 × 113 to 17
MQQTB20-□D8.540 + stroke
MQQTB25-□D945 + stroke
MQQTB30-□D7.550 + stroke
MQQTB40-□DM6 × 1650 + strokeM8 × 1.2516 to 22
Lateral-Load-Resistant Type
MQQL
(Built-In Ball Bushing Type)
MQQLB10-□DM3 × 0.5765 + strokeM4 × 0.78 to 11
MQQLB16-□DM5 × 0.85.570 + strokeM6 × 113 to 17
MQQLB20-□D880 + stroke
MQQLB25-□D6.585 + stroke
MQQLB30-□D7105 + stroke
MQQLB40-□DM6 × 17105 + strokeM8 × 1.2516 to 22

□: stroke

*See the SMC catalog for details of other specifications, structures, dimensional drawings, etc.

Part Number
MQQTB20-15D
MQQTB20-15DM
MQQTB20-16D
MQQTB20-16DM
MQQTB20-20D
MQQTB20-20DM
MQQTB20-25D
MQQTB20-25DM
MQQTB20-29D
MQQTB20-30D
MQQTB20-30DM
MQQTB20-35D
MQQTB20-35DM
MQQTB20-38DM
MQQTB20-40D
MQQTB20-40DM
MQQTB20-45DM
MQQTB20-50D
MQQTB20-50DM
MQQTB20-55D
MQQTB20-60D
MQQTB20-60DM
MQQTB25-1DM
MQQTB25-5D
MQQTB25-10D
MQQTB25-10DM
MQQTB25-15D
MQQTB25-15DM
MQQTB25-16D
MQQTB25-16DM
MQQTB25-18D
MQQTB25-19D
MQQTB25-20D
MQQTB25-20DM
MQQTB25-25D
MQQTB25-25DM
MQQTB25-26D
MQQTB25-30D
MQQTB25-30DM
MQQTB25-31D
MQQTB25-35D
MQQTB25-35DM
MQQTB25-38D
MQQTB25-40D
MQQTB25-40DM
MQQTB25-45D
MQQTB25-50D
MQQTB25-50DM
MQQTB25-55D
MQQTB25-60D
MQQTB25-60DM
MQQTB25-65D
MQQTB25-65DM
MQQTB25-70DM
MQQTB25-75D
MQQTB25-75DM
MQQTB25-80D
MQQTB25-80DM
MQQTB25-81D
MQQTB25-100D
MQQTB25-100DM
MQQTB25TF-10D
MQQTB25TF-30D
MQQTB25TF-30DM
MQQTB25TF-40D
MQQTB25TF-75D
MQQTB25TF-75DM
MQQTB25TF-100D
MQQTB25TF-100DM
MQQTB25TN-5D
MQQTB25TN-10D
MQQTB25TN-20D
MQQTB25TN-25D
MQQTB25TN-50D
MQQTB25TN-100D
MQQTB30-5D
MQQTB30-10D
MQQTB30-10DM
MQQTB30-15D
MQQTB30-15DM
MQQTB30-16D
MQQTB30-16DM
MQQTB30-18D
MQQTB30-20D
MQQTB30-20DM
MQQTB30-25D
MQQTB30-25DM
MQQTB30-26D
MQQTB30-30D
MQQTB30-30DM
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Operating Pressure
(MPa)
Support bracket Port thread type Rod Tip Shape Type Sealing materials

-

1 Piece(s) Quote 20150.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

-

1 Piece(s) Quote 20150.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

-

1 Piece(s) Quote 20160.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

-

1 Piece(s) Quote 20160.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

SGD 230.88

1 Piece(s) 32 Day(s) 20200.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

SGD 258.07

1 Piece(s) 32 Day(s) 20200.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

SGD 253.28

1 Piece(s) 32 Day(s) 20250.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

-

1 Piece(s) Quote 20250.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

-

1 Piece(s) Quote 20290.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

SGD 243.72

1 Piece(s) 32 Day(s) 20300.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

SGD 270.90

1 Piece(s) 32 Day(s) 20300.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

-

1 Piece(s) Quote 20350.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

-

1 Piece(s) Quote 20350.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

-

1 Piece(s) Quote 20380.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

SGD 256.55

1 Piece(s) 32 Day(s) 20400.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

SGD 283.73

1 Piece(s) 32 Day(s) 20400.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

-

1 Piece(s) Quote 20450.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

SGD 269.38

1 Piece(s) 32 Day(s) 20500.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

SGD 296.57

1 Piece(s) 32 Day(s) 20500.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

-

1 Piece(s) Quote 20550.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

SGD 282.22

1 Piece(s) 32 Day(s) 20600.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Standard type-

SGD 309.40

1 Piece(s) 32 Day(s) 20600.005 to 0.5Through-hole / both sides tapped common (standard)M ScrewMale threadStandard type-

-

1 Piece(s) Quote 2510.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 2550.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 289.45

1 Piece(s) 32 Day(s) 25100.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 321.53

1 Piece(s) 32 Day(s) 25100.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25150.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25150.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25160.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25160.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25180.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25190.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 303.92

1 Piece(s) 32 Day(s) 25200.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 336.00

1 Piece(s) 32 Day(s) 25200.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25250.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25250.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25260.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 318.38

1 Piece(s) 32 Day(s) 25300.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 350.47

1 Piece(s) 32 Day(s) 25300.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25310.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 342.42

1 Piece(s) 32 Day(s) 25350.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25350.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25380.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 332.85

1 Piece(s) 32 Day(s) 25400.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 364.93

1 Piece(s) 32 Day(s) 25400.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25450.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 347.32

1 Piece(s) 32 Day(s) 25500.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 379.40

1 Piece(s) 32 Day(s) 25500.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25550.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 385.82

1 Piece(s) 32 Day(s) 25600.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25600.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25650.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25650.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25700.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

SGD 385.82

1 Piece(s) 32 Day(s) 25750.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 418.02

1 Piece(s) 32 Day(s) 25750.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25800.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25800.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25810.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 419.65

1 Piece(s) 32 Day(s) 251000.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 451.85

1 Piece(s) 32 Day(s) 251000.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 25100.005 to 0.5Through-hole / both sides tapped common (standard)GFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25300.005 to 0.5Through-hole / both sides tapped common (standard)GFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25300.005 to 0.5Through-hole / both sides tapped common (standard)GMale threadStandard type-

-

1 Piece(s) Quote 25400.005 to 0.5Through-hole / both sides tapped common (standard)GFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25750.005 to 0.5Through-hole / both sides tapped common (standard)GFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25750.005 to 0.5Through-hole / both sides tapped common (standard)GMale threadStandard type-

-

1 Piece(s) Quote 251000.005 to 0.5Through-hole / both sides tapped common (standard)GFemale thread (standard)Standard type-

-

1 Piece(s) Quote 251000.005 to 0.5Through-hole / both sides tapped common (standard)GMale threadStandard type-

-

1 Piece(s) Quote 2550.005 to 0.5Through-hole / both sides tapped common (standard)NPTFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25100.005 to 0.5Through-hole / both sides tapped common (standard)NPTFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25200.005 to 0.5Through-hole / both sides tapped common (standard)NPTFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25250.005 to 0.5Through-hole / both sides tapped common (standard)NPTFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25500.005 to 0.5Through-hole / both sides tapped common (standard)NPTFemale thread (standard)Standard type-

-

1 Piece(s) Quote 251000.005 to 0.5Through-hole / both sides tapped common (standard)NPTFemale thread (standard)Standard type-

-

1 Piece(s) Quote 3050.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 438.55

1 Piece(s) 32 Day(s) 30100.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 473.55

1 Piece(s) 32 Day(s) 30100.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 30150.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 30150.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 30160.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 507.03

1 Piece(s) 32 Day(s) 30160.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 30180.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 462.47

1 Piece(s) 32 Day(s) 30200.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 497.47

1 Piece(s) 32 Day(s) 30200.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

SGD 495.95

1 Piece(s) 32 Day(s) 30250.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 530.95

1 Piece(s) 32 Day(s) 30250.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

-

1 Piece(s) Quote 30260.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

SGD 486.38

1 Piece(s) 32 Day(s) 30300.005 to 0.5Through-hole / both sides tapped common (standard)RcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 30300.005 to 0.5Through-hole / both sides tapped common (standard)RcMale threadStandard type-

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Plate Cylinder
Additional Function Standard Environment, Applications Standard / Low Friction (Internal Resistance) / Low Speed Cushion Rubber bumper (Standard)
Tube Material Aluminum alloy / hard anodized aluminum Specification of cylinder Compact low friction cylinder

Tech Support

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