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Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series (Part Numbers)

Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series

A standard type short double action, single rod cylinder.
[Features]
· An air cylinder with an overall length reduced by up to 51 mm and weight reduced by up to 24% (compared to CG1).
· Female rod end available as standard.
*See the SMC catalog for specification details.
*Product pictures are representative images. CAD data is not supported for some model numbers.

(i)Caution

  • ■ 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.
  • Product images may be representative images. Refer to the manufacturer's catalog for shape details.​
  • CAD data is not supported for some model numbers.

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Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series Specifications

Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series external appearance

Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series external appearance

JIS symbol (rubber bumper)

JIS symbol (rubber bumper)

Specifications

Tube Inner Diameter (mm)20253240506380100
ActionDouble acting, single rod
LubricationNot required (non-lubricated)
FluidAir
Proof Pressure1.0 MPa
Maximum operating pressure0.7 MPa
Minimum operating pressure0.05 MPa
Ambient and Fluid TemperatureWithout auto switch: -10°C to 70°C (No freezing)
With auto switch: -10°C to 60°C (No freezing)
Piston Speed50 to 1,000 mm/s30 to 700 mm/s
Stroke Length Tolerance0 to +1.4 mm
CushioningRubber cushion
Mount Support TypeBasic type, foot type, rod-end flange type,
head-end flange type, clevis type
Allowable Kinetic
Energy
Rod end male thread0.2 J0.29 J0.46 J0.84 J1.4 J2.38 J4.13 J6.93 J
Rod end female thread0.11 J0.18 J0.29 J0.52 J0.91 J1.54 J2.71 J4.54 J

*Only use the cylinder within the allowable kinetic energy range. See the SMC catalog for details.

Stroke Table

Tube Inner Diameter (mm)Standard Stroke (mm)*
2025, 50, 75, 100, 125, 150, 200
2525, 50, 75, 100, 125, 150, 200, 250, 300
32
40
50
63
80
100

*Contact the SMC support center regarding intermediate strokes of 1‑mm increments. (Spacers are not used.)

Theoretical Output Table

 

(Unit: N)

 

Tube Internal Diameter
D (mm)
Rod Diameter
d (mm)
Operating DirectionPiston Area
(mm2)
Operating Pressure (MPa)
0.20.30.40.50.60.7
208OUT31462.894.2125.6157188.4219.8
IN26452.879.2105.6132158.4184.8
2510OUT49198.2147.3196.4245.5294.6343.7
IN41282.4123.6164.8206247.2288.4
3212OUT804160.8241.2321.6402482.4562.8
IN691138.2207.3276.4345.5414.6483.7
4014OUT1,257251.4377.1502.8628.5754.2879.9
IN1,103220.6330.9441.2551.5661.8772.1
5018OUT1,964392.8589.2785.69821,178.41,374.8
IN1,709341.8512.7683.6854.51,025.41,196.3
6318OUT3,117623.4935.11,246.81,558.51,870.22,181.9
IN2,863572.6858.91,145.21,431.51,717.82,004.1
8022OUT5,0271,005.41,508.12,010.82,513.53,016.23,518.9
IN4,646929.21,393.81,858.42,3232,787.63,252.2
10026OUT7,8541,570.82,356.23,141.63,9274,712.45,497.8
IN7,3231,464.62,196.92,929.23,661.54,393.85,126.1

*Theoretical output (N) = Pressure (MPa) × Piston area (mm2).

Weight Table

 

(Unit: kg)

 

Tube Inner Diameter (mm)20253240506380100
Basic weightBasic type0.090.140.200.320.660.921.752.74
Rod-End Long Type (G)0.100.150.210.340.700.971.842.85
Rod End Female Thread Type (F)0.080.120.190.290.600.851.612.53
Additional Bracket WeightFoot type0.110.130.160.220.480.720.961.75
Flange type0.080.100.140.200.340.500.711.35
Clevis Type0.050.080.150.230.400.680.711.28
Pivot bracket0.080.090.170.250.440.800.981.75
Single Knuckle Joint0.050.090.090.100.220.220.390.57
Double knuckle joint (with pin)0.050.090.090.130.260.260.641.31
Additional weight per 50 strokes0.050.070.090.130.190.230.310.43
Additional Switch Magnet Weight0.010.010.010.010.010.020.020.04

Calculation Example) CDG3FN20-100 (built-in magnet, flange type, ø20 mm, 100 stroke)

  • Basic weight: 0.09 kg (basic type, ø20 mm)
  • Additional bracket weight: 0.08 kg (flange type)
  • Additional stroke weight: 0.05 kg / 50 mm
  • Air cylinder stroke: 100 mm
  • Additional switch magnet weight: 0.01 kg

0.09 + 0.08 + 0.05 × (100/50) + 0.01 = 0.28 kg

Mounting Procedure

Mounting procedure for clevis: (ø20 to 63 mm)

Mounting procedure for clevis: (ø20 to 63 mm)

Mounting procedure for clevis: (ø80 to 100 mm)

Mounting procedure for clevis: (ø80 to 100 mm)

Mounting procedure for rod end nut

Mounting procedure for rod end nut

  1. *1: Tighten the clevis bracket mounting bolts to the proper tightening torques detailed below.
      ø20 mm: 1.5 N·m, ø25 to 32 mm: 2.9 N·m, ø40 mm: 4.9 N·m
      ø50 mm: 11.8 N·m, ø63 to 80 mm: 24.5 N·m, ø100 mm: 42.2 N·m
  2. *2: Mount the flange type and foot type so that the distance 't' (clearance) of the rod end nut is at least 1 mm.
  3. *3: The direction of the rod end nut (for male thread) when mounting should be with the hexagonal part at the rod end. Apply the wrench to the hexagonal part.

Diagram

With rubber bumper diagram

With rubber bumper diagram

NumberNameMaterialNotes
1Rod coverAluminum alloyHard anodized aluminum
2Tube CoverAluminum alloyHard anodized aluminum
3PistonAluminum alloyChromate
4Piston rodCarbon steel*Hard chrome plated*
5BushingResin/Copper alloy (Multiple layers)-
6Bumper AResin-
7Damper BResin-
8Wear RingResin-
9Rod End NutCarbon steelNickel plated
10Rod sealNBR-
11Piston SealNBR-
12Tube GasketNBR-

*For cylinders with auto switches, a magnet is attached to the piston.
*The material for ø20 mm and ø25 mm cylinders with auto switches is stainless steel.

Dimensions

 

(Units: mm)

 

Basic type / CG3BN tube inner diameter, stroke, with rubber bumper dimensional drawing

Basic type / CG3BN tube inner diameter, stroke, with rubber bumper dimensional drawing

 
Rod-end female thread / Long rod-end male thread dimensional drawing

Rod-end female thread / Long rod-end male thread dimensional drawing

 
Foot type / CG3LN tube inner diameter, stroke, with rubber bumper dimensional drawing

Foot type / CG3LN tube inner diameter, stroke, with rubber bumper dimensional drawing

  • *See the manufacturer's catalog for dimensional drawings and values other than those provided above.
Part Number
CDG3LN32-250F-H7BAL
CDG3LN32-250F-M9BL
CDG3LN32-260
CDG3LN32-260-M9BL
CDG3LN32-260G
CDG3LN32-270
CDG3LN32-270-M9N
CDG3LN32-270F-M9BWZ
CDG3LN32-280-M9BW
CDG3LN32-300
CDG3LN32-300-M9B
CDG3LN32-300-M9BL
CDG3LN32-300-M9BWL
CDG3LN32-300-M9N
CDG3LN32-300-M9NWM
CDG3LN32-300F
CDG3LN32-300F-M9BW
CDG3LN32-300F-M9BWS
CDG3LN40-15
CDG3LN40-25
CDG3LN40-25-M9B
CDG3LN40-25-M9BWL
CDG3LN40-25F-A93L
CDG3LN40-40-M9BL
CDG3LN40-50-A93
CDG3LN40-50-A93L
CDG3LN40-50-M9BL
CDG3LN40-50-M9BW
CDG3LN40-50F-M9BWS
CDG3LN40-50G-M9NW
CDG3LN40-75
CDG3LN40-75-M9BL
CDG3LN40-75-M9BW
CDG3LN40-75-M9BWL
CDG3LN40-75-M9BWM
CDG3LN40-75-M9BWZ
CDG3LN40-75F-A93
CDG3LN40-75F-M9B
CDG3LN40-75F-M9BW
CDG3LN40-90
CDG3LN40-90-M9NM
CDG3LN40-100-A93
CDG3LN40-100-M9B
CDG3LN40-100-M9BL
CDG3LN40-100-M9BW
CDG3LN40-100-M9BZS
CDG3LN40-100F-A93
CDG3LN40-100F-A93Z
CDG3LN40-100F-M9BW
CDG3LN40-100F-M9BWL
CDG3LN40-100F-M9BWZ
CDG3LN40-100F-M9NWZ
CDG3LN40-120
CDG3LN40-125
CDG3LN40-125-A93L
CDG3LN40-125-M9BL
CDG3LN40-125-M9NL
CDG3LN40-125F-M9BW
CDG3LN40-125F-M9BWL
CDG3LN40-150-A93
CDG3LN40-150-A93Z
CDG3LN40-150-M9B
CDG3LN40-150-M9BL
CDG3LN40-150-M9BW
CDG3LN40-150-M9BWL
CDG3LN40-160
CDG3LN40-170-M9BWL
CDG3LN40-175-M9B
CDG3LN40-175F-M9BL
CDG3LN40-200
CDG3LN40-200-A93
CDG3LN40-200-A93L
CDG3LN40-200-H7BAZ
CDG3LN40-200-M9B
CDG3LN40-200-M9BL
CDG3LN40-200-M9BM
CDG3LN40-200-M9BW
CDG3LN40-200-M9BWL
CDG3LN40-200-M9N
CDG3LN40-200F
CDG3LN40-200F-M9BL
CDG3LN40-205-M9BL
CDG3LN40-220-M9BM
CDG3LN40-230-M9BW
CDG3LN40-250
CDG3LN40-250-M9BL
CDG3LN40-250-M9BW
CDG3LN40-250F-M9BZ
CDG3LN40-260
CDG3LN40-265
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Specifications Auto Switches Lead Wire The number of the switches Type of Mount Support Rod Tip Shape

-

1 Piece(s) Quote 32250Built-in magnetH7BA32FootFemale Thread

-

1 Piece(s) Quote 32250Built-in magnetM9B32FootFemale Thread

-

1 Piece(s) Quote 32260Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 32260Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 32260Built-in magnetWithout switch--FootMale thread, long

-

1 Piece(s) Quote 32270Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 32270Built-in magnetM9N0.52FootMale thread

-

1 Piece(s) Quote 32270Built-in magnetM9BW52FootFemale Thread

-

1 Piece(s) Quote 32280Built-in magnetM9BW0.52FootMale thread

-

1 Piece(s) Quote 32300Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 32300Built-in magnetM9B0.52FootMale thread

-

1 Piece(s) Quote 32300Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 32300Built-in magnetM9BW32FootMale thread

-

1 Piece(s) Quote 32300Built-in magnetM9N0.52FootMale thread

-

1 Piece(s) Quote 32300Built-in magnetM9NW12FootMale thread

-

1 Piece(s) Quote 32300Built-in magnetWithout switch--FootFemale Thread

-

1 Piece(s) Quote 32300Built-in magnetM9BW0.52FootFemale Thread

-

1 Piece(s) Quote 32300Built-in magnetM9BW0.51FootFemale Thread

-

1 Piece(s) Quote 4015Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 4025Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 4025Built-in magnetM9B0.52FootMale thread

-

1 Piece(s) Quote 4025Built-in magnetM9BW32FootMale thread

-

1 Piece(s) Quote 4025Built-in magnetA9332FootFemale Thread

-

1 Piece(s) Quote 4040Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 4050Built-in magnetA930.52FootMale thread

-

1 Piece(s) Quote 4050Built-in magnetA9332FootMale thread

-

1 Piece(s) Quote 4050Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 4050Built-in magnetM9BW0.52FootMale thread

-

1 Piece(s) Quote 4050Built-in magnetM9BW0.51FootFemale Thread

-

1 Piece(s) Quote 4050Built-in magnetM9NW0.52FootMale thread, long

-

1 Piece(s) Quote 4075Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 4075Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 4075Built-in magnetM9BW0.52FootMale thread

-

1 Piece(s) Quote 4075Built-in magnetM9BW32FootMale thread

-

1 Piece(s) Quote 4075Built-in magnetM9BW12FootMale thread

-

1 Piece(s) Quote 4075Built-in magnetM9BW52FootMale thread

-

1 Piece(s) Quote 4075Built-in magnetA930.52FootFemale Thread

-

1 Piece(s) Quote 4075Built-in magnetM9B0.52FootFemale Thread

-

1 Piece(s) Quote 4075Built-in magnetM9BW0.52FootFemale Thread

-

1 Piece(s) Quote 4090Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 4090Built-in magnetM9N12FootMale thread

-

1 Piece(s) Quote 40100Built-in magnetA930.52FootMale thread

-

1 Piece(s) Quote 40100Built-in magnetM9B0.52FootMale thread

-

1 Piece(s) Quote 40100Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 40100Built-in magnetM9BW0.52FootMale thread

-

1 Piece(s) Quote 40100Built-in magnetM9B51FootMale thread

-

1 Piece(s) Quote 40100Built-in magnetA930.52FootFemale Thread

-

1 Piece(s) Quote 40100Built-in magnetA9352FootFemale Thread

-

1 Piece(s) Quote 40100Built-in magnetM9BW0.52FootFemale Thread

-

1 Piece(s) Quote 40100Built-in magnetM9BW32FootFemale Thread

-

1 Piece(s) Quote 40100Built-in magnetM9BW52FootFemale Thread

-

1 Piece(s) Quote 40100Built-in magnetM9NW52FootFemale Thread

-

1 Piece(s) Quote 40120Built-in magnetWithout switch--FootMale thread

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1 Piece(s) Quote 40125Built-in magnetWithout switch--FootMale thread

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1 Piece(s) Quote 40125Built-in magnetA9332FootMale thread

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1 Piece(s) Quote 40125Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 40125Built-in magnetM9N32FootMale thread

-

1 Piece(s) Quote 40125Built-in magnetM9BW0.52FootFemale Thread

-

1 Piece(s) Quote 40125Built-in magnetM9BW32FootFemale Thread

-

1 Piece(s) Quote 40150Built-in magnetA930.52FootMale thread

-

1 Piece(s) Quote 40150Built-in magnetA9352FootMale thread

-

1 Piece(s) Quote 40150Built-in magnetM9B0.52FootMale thread

-

1 Piece(s) Quote 40150Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 40150Built-in magnetM9BW0.52FootMale thread

-

1 Piece(s) Quote 40150Built-in magnetM9BW32FootMale thread

-

1 Piece(s) Quote 40160Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 40170Built-in magnetM9BW32FootMale thread

-

1 Piece(s) Quote 40175Built-in magnetM9B0.52FootMale thread

-

1 Piece(s) Quote 40175Built-in magnetM9B32FootFemale Thread

-

1 Piece(s) Quote 40200Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetA930.52FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetA9332FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetH7BA52FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetM9B0.52FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetM9B12FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetM9BW0.52FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetM9BW32FootMale thread

-

1 Piece(s) Quote 40200Built-in magnetM9N0.52FootMale thread

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1 Piece(s) Quote 40200Built-in magnetWithout switch--FootFemale Thread

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1 Piece(s) Quote 40200Built-in magnetM9B32FootFemale Thread

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1 Piece(s) Quote 40205Built-in magnetM9B32FootMale thread

-

1 Piece(s) Quote 40220Built-in magnetM9B12FootMale thread

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1 Piece(s) Quote 40230Built-in magnetM9BW0.52FootMale thread

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1 Piece(s) Quote 40250Built-in magnetWithout switch--FootMale thread

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1 Piece(s) Quote 40250Built-in magnetM9B32FootMale thread

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1 Piece(s) Quote 40250Built-in magnetM9BW0.52FootMale thread

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1 Piece(s) Quote 40250Built-in magnetM9B52FootFemale Thread

-

1 Piece(s) Quote 40260Built-in magnetWithout switch--FootMale thread

-

1 Piece(s) Quote 40265Built-in magnetWithout switch--FootMale thread

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Standard
Additional Function Standard Environment, Applications Standard Cushion Rubber cushion
Operating Pressure(MPa) 0.05 to 0.7

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations)
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