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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
CA2KF40-140
CA2KF40-150
CA2KF40-150N
CA2KF40-160J
CA2KF40-175
CA2KF40-175J
CA2KF40-200
CA2KF40-210
CA2KF40-250
CA2KF40-260
CA2KF40-300
CA2KF40-300N
CA2KF40-328
CA2KF40-350
CA2KF40-350-XC7
CA2KF40-400
CA2KF40-400J
CA2KF40-400JN
CA2KF40-400N
CA2KF40-443
CA2KF40-450
CA2KF40-460
CA2KF40-470
CA2KF40-500
CA2KF40-500K
CA2KF40-550
CA2KF40-600
CA2KF40-700
CA2KF40-750
CA2KF40TN-25J
CA2KF40TN-150
CA2KF40TN-175K
CA2KF40TN-200
CA2KF50-20
CA2KF50-25
CA2KF50-30
CA2KF50-40
CA2KF50-50
CA2KF50-50J
CA2KF50-50N
CA2KF50-70
CA2KF50-70-XC28
CA2KF50-75
CA2KF50-85
CA2KF50-90
CA2KF50-95
CA2KF50-100
CA2KF50-100J
CA2KF50-100K
CA2KF50-120
CA2KF50-125
CA2KF50-140
CA2KF50-150
CA2KF50-150K
CA2KF50-150N
CA2KF50-160
CA2KF50-175
CA2KF50-190
CA2KF50-200
CA2KF50-200J
CA2KF50-200N
CA2KF50-230
CA2KF50-230N
CA2KF50-250
CA2KF50-270
CA2KF50-300
CA2KF50-300J
CA2KF50-350
CA2KF50-400
CA2KF50-400J
CA2KF50-450
CA2KF50-500
CA2KF50-500J
CA2KF50-550
CA2KF50-600
CA2KF50-600J
CA2KF50-700
CA2KF50-800
CA2KF50TF-230N
CA2KF50TN-150
CA2KF63-1
CA2KF63-4
CA2KF63-10
CA2KF63-25
CA2KF63-40
CA2KF63-60
CA2KF63-65
CA2KF63-75
CA2KF63-100
CA2KF63-110
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 40140Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) 31 Day(s) 40150Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40150Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40160Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 40175Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40175Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 40200Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40210Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40250Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40260Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40300Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40300Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40328Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40350Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40350Air cushionWithout magnetRc---Rod-end flange typeNoneTie-rod, cushion valve, tie-rod nut, etc.: made of stainless steel
1 Piece(s) Quote 40400Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40400Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 40400Without cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 40400Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40443Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40450Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40460Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40470Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40500Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40500Air cushionWithout magnetRc---Rod-end flange typeHeat-resistant tarpaulinNone
1 Piece(s) Quote 40550Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40600Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40700Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 40750Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 4025Air cushionWithout magnetNPT---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 40150Air cushionWithout magnetNPT---Rod-end flange typeNoneNone
1 Piece(s) Quote 40175Air cushionWithout magnetNPT---Rod-end flange typeHeat-resistant tarpaulinNone
1 Piece(s) Quote 40200Air cushionWithout magnetNPT---Rod-end flange typeNoneNone
1 Piece(s) Quote 5020Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5025Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5030Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5040Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5050Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5050Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 5050Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5070Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5070Air cushionWithout magnetRc---Rod-end flange typeNoneCompact type with SS400 flange
1 Piece(s) Quote 5075Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5085Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5090Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 5095Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50100Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50100Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 50100Air cushionWithout magnetRc---Rod-end flange typeHeat-resistant tarpaulinNone
1 Piece(s) Quote 50120Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50125Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50140Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50150Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50150Air cushionWithout magnetRc---Rod-end flange typeHeat-resistant tarpaulinNone
1 Piece(s) Quote 50150Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50160Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50175Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50190Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) 31 Day(s) 50200Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50200Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 50200Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50230Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50230Without cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50250Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50270Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50300Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50300Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 50350Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50400Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50400Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 50450Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50500Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50500Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 50550Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50600Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50600Air cushionWithout magnetRc---Rod-end flange typeNylon tarpaulinNone
1 Piece(s) Quote 50700Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50800Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 50230Without cushionWithout magnetG---Rod-end flange typeNoneNone
1 Piece(s) Quote 50150Air cushionWithout magnetNPT---Rod-end flange typeNoneNone
1 Piece(s) Quote 631Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 634Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 6310Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 6325Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 6340Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 6360Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 6365Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 6375Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 63100Air cushionWithout magnetRc---Rod-end flange typeNoneNone
1 Piece(s) Quote 63110Air 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