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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.

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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.
  • 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
CG3LN40-300
CG3LN50-25
CG3LN50-25F
CG3LN50-30
CG3LN50-40
CG3LN50-50
CG3LN50-50F
CG3LN50-50G
CG3LN50-65
CG3LN50-125F
CG3LN50-150
CG3LN50-210
CG3LN50-250
CG3LN50-300
CG3LN63-25
CG3LN63-50
CG3LN63-75
CG3LN63-75F
CG3LN63-100
CG3LN63-125
CG3LN63-125F
CG3LN63-150
CG3LN63-150F
CG3LN63-180F
CG3LN63-200
CG3LN80-10
CG3LN80-50
CG3LN80-50F
CG3LN80-50G
CG3LN80-70
CG3LN80-75
CG3LN80-75G
CG3LN80-100
CG3LN80-125
CG3LN80-150
CG3LN80-200
CG3LN80-240
CG3LN80-250
CG3LN100-10F
CG3LN100-25
CG3LN100-25F
CG3LN100-50
CG3LN100-50F
CG3LN100-75F
CG3LN100-100
CG3LN100-150
CG3LN100-150F
CG3LN100-200
CG3LN100-250
CG3LN100-300
CG3LN100-300F
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 40300Without magnet---FootMale thread

-

1 Piece(s) Quote 5025Without magnet---FootMale thread

-

1 Piece(s) Quote 5025Without magnet---FootFemale Thread

-

1 Piece(s) Quote 5030Without magnet---FootMale thread

-

1 Piece(s) Quote 5040Without magnet---FootMale thread

-

1 Piece(s) Quote 5050Without magnet---FootMale thread

-

1 Piece(s) Quote 5050Without magnet---FootFemale Thread

-

1 Piece(s) Quote 5050Without magnet---FootMale thread, long

-

1 Piece(s) Quote 5065Without magnet---FootMale thread

-

1 Piece(s) Quote 50125Without magnet---FootFemale Thread

-

1 Piece(s) Quote 50150Without magnet---FootMale thread

-

1 Piece(s) Quote 50210Without magnet---FootMale thread

-

1 Piece(s) Quote 50250Without magnet---FootMale thread

-

1 Piece(s) Quote 50300Without magnet---FootMale thread

-

1 Piece(s) Quote 6325Without magnet---FootMale thread

-

1 Piece(s) Quote 6350Without magnet---FootMale thread

-

1 Piece(s) Quote 6375Without magnet---FootMale thread

-

1 Piece(s) Quote 6375Without magnet---FootFemale Thread

-

1 Piece(s) Quote 63100Without magnet---FootMale thread

-

1 Piece(s) Quote 63125Without magnet---FootMale thread

-

1 Piece(s) Quote 63125Without magnet---FootFemale Thread

-

1 Piece(s) Quote 63150Without magnet---FootMale thread

-

1 Piece(s) Quote 63150Without magnet---FootFemale Thread

-

1 Piece(s) Quote 63180Without magnet---FootFemale Thread

-

1 Piece(s) Quote 63200Without magnet---FootMale thread

-

1 Piece(s) Quote 8010Without magnet---FootMale thread

-

1 Piece(s) Quote 8050Without magnet---FootMale thread

-

1 Piece(s) Quote 8050Without magnet---FootFemale Thread

-

1 Piece(s) Quote 8050Without magnet---FootMale thread, long

-

1 Piece(s) Quote 8070Without magnet---FootMale thread

-

1 Piece(s) Quote 8075Without magnet---FootMale thread

-

1 Piece(s) Quote 8075Without magnet---FootMale thread, long

-

1 Piece(s) Quote 80100Without magnet---FootMale thread

3,880,200 IDR

1 Piece(s) 20 Day(s) 80125Without magnet---FootMale thread

-

1 Piece(s) Quote 80150Without magnet---FootMale thread

-

1 Piece(s) Quote 80200Without magnet---FootMale thread

-

1 Piece(s) Quote 80240Without magnet---FootMale thread

-

1 Piece(s) Quote 80250Without magnet---FootMale thread

-

1 Piece(s) Quote 10010Without magnet---FootFemale Thread

-

1 Piece(s) Quote 10025Without magnet---FootMale thread

-

1 Piece(s) Quote 10025Without magnet---FootFemale Thread

-

1 Piece(s) Quote 10050Without magnet---FootMale thread

-

1 Piece(s) Quote 10050Without magnet---FootFemale Thread

-

1 Piece(s) Quote 10075Without magnet---FootFemale Thread

-

1 Piece(s) Quote 100100Without magnet---FootMale thread

-

1 Piece(s) Quote 100150Without magnet---FootMale thread

-

1 Piece(s) Quote 100150Without magnet---FootFemale Thread

-

1 Piece(s) Quote 100200Without magnet---FootMale thread

-

1 Piece(s) Quote 100250Without magnet---FootMale thread

-

1 Piece(s) Quote 100300Without magnet---FootMale thread

-

1 Piece(s) Quote 100300Without magnet---FootFemale 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

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