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Air Cylinder, Non-Rotating Rod Type: Double Acting, Single Rod CA2K Series (Part Numbers)

Air Cylinder, Non-Rotating Rod Type: Double Acting, Single Rod CA2K Series

[Features]
· Weight has been reduced by up to 15% by changing the shape of the rod cover and head cover
· Easy air cushion control
· Various switches such as compact auto switches and strong magnetic field resistant switches can be mounted
· With auto switch (CDA2K)

(i)Caution

  • See catalog for specification details.
  • CAD data is not supported for some model numbers.
  • Product pictures are representations.

PDF

Model Number Notation

Model Number Notation

Model Number Notation

Air Cylinder, Non-Rotating Rod Type: Double Acting, Single Rod, CA2K Series Specifications

CA2K Series external appearance

CA2K Series external appearance

CA2K Series (air cushion) JIS symbol

CA2K Series (air cushion) JIS symbol

Tube Inner Diameter (mm)405063
Applicable FluidsAir
Proof Pressure1.5 MPa
Maximum Operating Pressure1.0 MPa
Minimum Operating Pressure0.05 MPa
Ambient Temperature and Operating Fluid TemperatureWithout auto switch: -10°C to 70°C, with auto switch: -10°C to 60°C*
Piston Speed50 to 500 mm/s
CushionAir cushion
Stroke Length ToleranceUp to 250st: (0 to +1.0), 251 to 600st: (0 to +1.4)
Rod Non-rotating Accuracy±0.8°
Allowable Rotational Torque0.44N·m or Less
LubricationNot required (non-lubricated)
Mounting Support TypeBasic type, axial foot type, rod-end flange type, head-end flange type, single clevis type, double clevis type, center trunnion type
  • * No freezing.

Weights

 

(Unit: kg)

 

Tube Inner Diameter (mm)405063
Basic WeightBasic Type0.881.321.91
Axial Foot Type1.071.542.25
Flange Type1.251.772.70
Single Clevis Type1.111.662.54
Double Clevis Type1.151.752.70
Trunnion Type1.241.802.71
Additional Weight Per 50 Strokes0.200.250.30
AccessoriesSingle Knuckle Joint0.230.260.26
Double Knuckle Joint (With Pin)0.370.430.43

Calculation method

E.g. CA2KL40-100

  • Basic weight: 1.07 (axial footø40 [40-mm tube inner diameter])
  • Additional weight: 0.20 / 50 stroke
  • Cylinder stroke: 100 stroke

1.07 + 0.20 × 100/50 = 1.47 kg

Bellows Material

  • Bellows material (J): nylon tarpaulin, maximum ambient temperature 70°C
  • Bellows material (K): heat-resistant tarpaulin, maximum ambient temperature 110°C*
  • * Maximum ambient temperature for the bellows unit.

Structural Drawing

CA2K Series structural drawing

CA2K Series structural drawing

NumberNameMaterialNotes
1Rod coverAluminum alloyMetallic coating
2Head coverDie-cast aluminumMetallic coating
3Cylinder tubeAluminum alloyHard anodized aluminum
4Piston rodCarbon steelHard chrome plating
5PistonAluminum alloyChromate
6Cushion ring ARolled steelZinc chromate
7Cushion ring BRolled steelZinc chromate
8Non-rotating guideOil-impregnated sintered alloy-
9Cushion valveSteel wireZinc trivalent chromate
10Tie-rodCarbon steelZinc trivalent chromate
11Spring washerSteel wireZinc trivalent chromate
12Piston nutRolled steelZinc trivalent chromate
13Retaining ringSpring steelPhosphate coated
14Spring washerSteel wireZinc trivalent chromate
15Tie-rod nutRolled steelZinc trivalent chromate
16Wear ringResin-
17Cushion packing holderAluminum alloy-
18Cushion sealUrethane-
19Rod packingNBR-
20Piston packingNBR-
21Cushion valve sealNBR-
22Cylinder tube gasketNBR-
23Piston gasketNBRO-ring
24Rod end nutRolled steelZinc trivalent chromate
  • * Do not disassemble the trunnion type. See the catalog for details.

Drawing

 

(Unit: mm)

 

Basic type CA2KB dimensional drawing

Basic type CA2KB dimensional drawing

 

(Unit: mm)

 

Tube Inner Diameter
(mm)
Stroke Range (mm)AALBB1CDEFGH1JKAMMM
Without BellowsWith Bellows
40to 50020 to 5003027602244163210158M8 × 1.251411M14 × 1.5
50to 60020 to 60035327027522040101711M8 × 1.251811M18 × 1.5
63to 60020 to 60035328527642040101711M10 × 1.251814M18 × 1.5

 

(Unit: mm)

 

Tube Inner Diameter
(mm)
NPSWithout BellowsWith Bellows
HZZdefhLZZ
40271/48451146564311.2591/4 stroke154
50303/89058159645211.2661/4 stroke167
63313/89858170645211.2661/4 stroke178
  • * The external dimensions for each mounting type and the dimensions of accessories (options) are the same as the standard type double acting single rod model. Refer to the manufacturer's catalog.

Notes

Minimum Stroke for Auto Switch Mounting

  • * The minimum stroke for mounting varies with the auto switch type and cylinder mounting type. In particular, the center trunnion type requires careful attention. (Refer to the catalog for details.)

Precautions for Use

  • *Avoid applying rotational torque to the piston rod. The non-rotating guide may become deformed, compromising the accuracy. Also, when screwing the nut onto the thread of the piston rod end, ensure the piston rod is fully retracted and use a wrench flat on the part protruding from the parallel part of the rod.
    At this time, be careful not to apply tightening torque to the non-rotating guide.
Correct mounting diagram

Correct mounting diagram

Incorrect mounting diagram

Incorrect mounting diagram

Disassembly/Replacement

  • * Contact the SMC support center when exchanging the rod packing. Air leaks may occur according to the position in which the rod packing is incorporated, so contact the SMC support center when exchanging the rod packing.
    Do not exchange the non-rotating guide. The non-rotating guide is press-fitted, so use a cover assembly when exchanging.

Other

  • * Before using, please refer to the "Safety Precautions," the "Actuator Precautions," and the "Auto Switch Precautions."
  • * Product images are representative models.
  • * Refer to the manufacturer's catalog for information not detailed above.
■ Refer to the table below for details about lead wire / connector specifications.

■ Made-to-order specifications: For details regarding a change to the trunnion bracket mounting location, please see below.

Part Number
CA2KD40-25
CA2KD40-40
CA2KD40-50
CA2KD40-75
CA2KD40-100
CA2KD40-1000
CA2KD40-125
CA2KD40-150
CA2KD40-175
CA2KD40-200
CA2KD40-240
CA2KD40-250
CA2KD40-300
CA2KD40-350
CA2KD40-400
CA2KD40-450
CA2KD40-500
CA2KD40-600
CA2KD40-800
CA2KD50-10
CA2KD50-20
CA2KD50-25
CA2KD50-35
CA2KD50-35J
CA2KD50-36J
CA2KD50-50
CA2KD50-50J
CA2KD50-75
CA2KD50-80
CA2KD50-100
CA2KD50-125
CA2KD50-150
CA2KD50-175
CA2KD50-200
CA2KD50-250
CA2KD50-300
CA2KD50-350
CA2KD50-400
CA2KD50-450
CA2KD50-500
CA2KD50-550
CA2KD50-600
CA2KD50-650
CA2KD63-25
CA2KD63-50
CA2KD63-75
CA2KD63-80
CA2KD63-100
CA2KD63-125
CA2KD63-150
CA2KD63-150J
CA2KD63-150K
CA2KD63-175
CA2KD63-200
CA2KD63-205
CA2KD63-250
CA2KD63-275
CA2KD63-290
CA2KD63-300
CA2KD63-400
CA2KD63-450
CA2KD63-500
CA2KD63-600
CA2KD63TN-115
CA2KF40-25
CA2KF40-25-XC28
CA2KF40-30
CA2KF40-35
CA2KF40-35-XC28
CA2KF40-40
CA2KF40-45-XC28
CA2KF40-50
CA2KF40-50-XC28
CA2KF40-50J
CA2KF40-50N
CA2KF40-55-XC28
CA2KF40-60
CA2KF40-70
CA2KF40-75
CA2KF40-75-XC28
CA2KF40-80
CA2KF40-90
CA2KF40-100
CA2KF40-1000
CA2KF40-100N
CA2KF40-110
CA2KF40-115
CA2KF40-125
CA2KF40-125J
CA2KF40-125N
Part NumberMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Cushion Specifications Port thread type Auto Switches Lead Wire The number of the switches Type of Mount Support Bellows Custom-made Specifications
1 Piece(s) Quote 4025Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 4040Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 4050Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 4075Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40100Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 401,000Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40125Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40150Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40175Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40200Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40240Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40250Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40300Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40350Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40400Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40450Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40500Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40600Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 40800Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 5010Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 5020Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 5025Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 5035Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 5035Air cushionWithout magnetRc---U-Shaped Clevis TypeNylon tarpaulinNone
1 Piece(s) Quote 5036Air cushionWithout magnetRc---U-Shaped Clevis TypeNylon tarpaulinNone
1 Piece(s) 31 Day(s) 5050Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 5050Air cushionWithout magnetRc---U-Shaped Clevis TypeNylon tarpaulinNone
1 Piece(s) Quote 5075Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 5080Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50100Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50125Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50150Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50175Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50200Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50250Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50300Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50350Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50400Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50450Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50500Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50550Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50600Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 50650Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 6325Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 6350Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 6375Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 6380Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63100Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63125Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) 31 Day(s) 63150Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63150Air cushionWithout magnetRc---U-Shaped Clevis TypeNylon tarpaulinNone
1 Piece(s) Quote 63150Air cushionWithout magnetRc---U-Shaped Clevis TypeHeat-resistant tarpaulinNone
1 Piece(s) Quote 63175Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63200Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63205Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63250Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63275Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63290Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63300Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63400Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63450Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63500Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63600Air cushionWithout magnetRc---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 63115Air cushionWithout magnetNPT---U-Shaped Clevis TypeNoneNone
1 Piece(s) Quote 4025Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4025Air cushionWithout magnetRc---Rod-end flange typeNoneCompact type with SS400 flange
1 Piece(s) Quote 4030Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4035Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4035Air cushionWithout magnetRc---Rod-end flange typeNoneCompact type with SS400 flange
1 Piece(s) Quote 4040Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4045Air cushionWithout magnetRc---Rod-end flange typeNoneCompact type with SS400 flange
1 Piece(s) 31 Day(s) 4050Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4050Air cushionWithout magnetRc---Rod-end flange typeNoneCompact type with SS400 flange
1 Piece(s) Quote 4050Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 4050Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4055Air cushionWithout magnetRc---Rod-end flange typeNoneCompact type with SS400 flange
1 Piece(s) Quote 4060Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4070Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4075Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4075Air cushionWithout magnetRc---Rod-end flange typeNoneCompact type with SS400 flange
1 Piece(s) Quote 4080Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4090Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) 31 Day(s) 40100Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 401,000Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40100Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40110Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40115Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40125Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40125Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 40125Without cushionWithout magnetRc---Rod-end flange typeNoneNone

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Standard
Additional Function With rod detent function Environment, Applications Standard Operating Pressure(MPa) 0.05 to 1.0

Tech Support