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Floating Joint, Standard Type JA Series

Floating Joint, Standard Type JA Series
  • On Sale Till 31/03/2025

SMC

SMC

It absorbs "center misalignment" between the driven body and the cylinder and "insufficient accurate parallelism."
[Features]
・ No axis alignment required
・ No need for high-grade processing accuracy
・ It significantly reduces installation work time
・ Small size and compatible with high load tension / compression force
・ Long lifespan (With Dust-Proof Cover)
・ Rotating angle: ±5°

(i)Caution

  • See catalog for specification details.
  • Product images may be representative images. Refer to the catalog for details.

PDF

Part Number

Configured Part Number is shown.

Floating Joint: Standard Type JA Series Specifications

JA Series external appearance

JA Series external appearance

  • Operating pressure: Pneumatic cylinder: 1 MPa or less; Hydraulic cylinder: 3.5 MPa or less
  • Mounting: basic type, flange type, foot type
JA Series operating range

JA Series operating range

ModelCompatible bore size
(mm)		Compatible cylinder nominal thread sizeMaximum operating tension and compression force
N		Allowable eccentricity
U (mm)		Rotating angleAmbient temperature
Basic typeFlange typeFoot
JA6-3-0506M3 × 0.519--0.5±5 °-5 to 60°C
JA10-4-07010M4 × 0.754--0.5
JA15-5-08010, 15M5 × 0.8123--0.5
JA15-6-10015M6 × 1123--0.5
JA□20-8-12520M8 × 1.251,1001,1001,0000.5
JA□30-10-12525/32M10 × 1.252,5002,5002,0000.5
JA□40-14-15040M14 × 1.54,4004,4004,4000.75
JA□63-18-15050/63M18 × 1.511,00011,0009,0001
JA□80-22-15080M22 × 1.518,00018,00014,0001.25
JA□100-26-150100M26 × 1.528,00028,00022,0002
JA□140-30-150125/140M30 × 1.554,00036,00036,0002.5
JA□160-36-150160M36 × 1.571,00055,00055,0003
JA□20-8-10020M8 × 11,1001,1001,0000.5±5 °
JA□25-10-15025M10 × 1.52,5002,5002,0000.5
JA□32-10-10032M10 × 12,5002,5002,0000.5
JA□40-12-12532/40M12 × 1.254,4004,4004,4000.75
JA□40-12-15040M12 × 1.54,4004,4004,4000.75
JA□40-12-17532/40M12 × 1.754,4004,4004,4000.75
JA□50-16-15050M16 × 1.511,00011,0009,0001
JA□63-16-20050/63M16 × 211,00011,0009,0001
JA□80-20-25080M20 × 2.518,00018,00014,0001.25
JA□100-24-300100M24 × 328,00028,00022,0002
JA□100-27-150100M27 × 1.528,00028,00022,0002
JA□125-27-200125M27 × 228,00028,00028,0002
JA□160-33-200160M33 × 271,00055,00055,0003

Diagram / Parts List

ø6 to 15 (diameter 6 to 15 mm) diagram

ø6 to 15 (diameter 6 to 15 mm) diagram

*See the manufacturer's catalog regarding replacement parts.

ø20 to 160 (diameter 20 to 160 mm) diagram

ø20 to 160 (diameter 20 to 160 mm) diagram

NumberDescriptionMaterialNote
1StudFree-cutting steelElectroless nickel plating
2CaseBrassElectroless nickel plating
3RingStainless steel-
4SocketBrassElectroless nickel plating
5Dust coverSynthetic rubber-
6Rod end nutLow carbon steel wire rodZinc chromate
NumberDescriptionMaterialNote
1StudChrome molybdenum steelDyed black
2CaseCarbon steelBlack zinc chromated
3RingChrome molybdenum steel-
4CapCarbon steelBlack zinc chromated
5Dust coverSynthetic rubber-
6Set screwCarbon steelZinc chromate
7Rod end nutCarbon steelZinc chromate
8FlangeRolled steelBlack zinc chromated
9FootRolled steelBlack zinc chromated

Precautions

Mounting

  • *When screwing the male threads of the rod into the female threads of the socket or the case, make sure that the rod does not bottom out. If the floating joint is used with its rod bottomed out, the stud will not be able to float, causing damage. For the screw-in depth of the female threads, refer to the dimensions in the manufacturer's catalog. As a rule, after the rod bottoms out, back off 1 to 2 turns.
  • *The dust cover may stick to the stud. Move the dust cover at the base of the stud with your fingers, or twist the stud right and left gently to free it.　When screwing the stud and socket or case into a driven body, make sure to remove the dust cover. Screwing without removing dust cover may break the dust cover.
  • *When using a floating joint to connect the cylinder rod to a driven body, secure it in place by applying a torque that is appropriate for the thread size. Also, if there is a risk of loosening during operation, take measures to prevent loosening, such as using a locking pin or thread adhesive. In the event that the connected portion becomes loose, the driven body might lose control or fall off, etc., leading to equipment damage or injury to personnel.
  • *This product is not a rotary joint. It cannot be used for rotational applications.
  • *Be sure to use the cushion mechanism of the cylinder or a buffer mechanism such as a shock absorber to prevent impact force being applied to the floating joint when stopping the driven body. If there is no buffer mechanism, an impact force is generated that may cause the floating joint to exceed its maximum tensile and compressive force level.

Maintenance

  • *Do not use if the product has been disassembled. High-strength adhesive is applied to the portion of the connection that is threaded to prevent it from loosening. The product must therefore not be disassembled. If the product is forcefully disassembled, it could lead to damage.
  • *Black zinc chromate treatment is applied to the material surfaces of the case, flange and foot. In rare circumstances, white deposits may occur on the surface.

Other precautions

  • *See the manufacturer's catalog for information other than the above.
  • *Pictures are of representational models.
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Part Number
JA15-6-100
JA15-6-100-X11
JA20-8-100
JA20-8-100-X11
JA20-8-125
JA20-8-125-X11
JA25-10-150
JA25-10-150-X11
JA30-10-125
JA30-10-125-X11
JA32-10-100
JA32-10-100-X11
JA32-10-125
JA40-12-125
JA40-12-125-X11
JA40-12-150
JA40-12-150-X11
JA40-12-175
JA40-12-175-X11
JA40-14-150
JA40-14-150-X11
JA50-16-150
JA50-16-150-X11
JA63-18-150
JA63-18-150-X11
JA80-22-150
JA80-22-150-X11
JA100-26-150
JA100-26-150-X11
JA100-27-150
JA140-30-150
JA140-30-150-X11
JA160-36-150
JA160-36-150-X11
JAF20-8-100
JAF20-8-100-X11
JAF20-8-125
JAF20-8-125-X11
JAF25-10-150
JAF25-10-150-X11
JAF30-10-125
JAF30-10-125-X11
JAF32-10-100
JAF32-10-100-X11
JAF40-12-125
JAF40-12-125-X11
JAF40-12-150
JAF40-12-150-X11
JAF40-12-175
JAF40-12-175-X11
JAF40-14-150
JAF40-14-150-X11
JAF50-16-150
JAF50-16-150-X11
JAF63-18-150
JAF63-18-150-X11
JAF80-22-150
JAF80-22-150-X11
JAF100-26-150
JAF100-26-150-X11
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipConnecting Thread Nominal M
(mm) 		Connection Type, Work Piece Side Connecting Thread Nominal P
(mm) 		Main Body Material Allowable Misalignment U
(mm) 		Metallic Head Stud Material Applicable cylinder bore size
(ø) 		Applicable cylinder nominal thread Option

SGD 25.43

1 Piece(s) Same day M3 ~ M8Threaded1~1.75Brass0.5No[Steel] Free-cutting steel15M6 × 1None

SGD 31.15

1 Piece(s) 32 Day(s) M3 ~ M8Threaded1~1.75Brass0.5No[Steel] Free-cutting steel15M6 × 1High-temperature specifications (-5 to +100°C)

SGD 71.17

1 Piece(s) 32 Day(s) M3 ~ M8Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel20M8 × 1None

-

1 Piece(s) Quote M3 ~ M8Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel20M8 × 1High-temperature specifications (-5 to +100°C)

SGD 60.08

1 Piece(s) Same day M3 ~ M8Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel20M8 × 1.25None

SGD 66.15

1 Piece(s) Quote M3 ~ M8Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel20M8 × 1.25High-temperature specifications (-5 to +100°C)

SGD 74.78

1 Piece(s) Same day M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel25M10 × 1.5None

-

1 Piece(s) Quote M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel25M10 × 1.5High-temperature specifications (-5 to +100°C)

SGD 63.47

1 Piece(s) Same day M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel30M10 × 1.25None

SGD 69.18

1 Piece(s) 32 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel30M10 × 1.25High-temperature specifications (-5 to +100°C)

SGD 74.78

1 Piece(s) 32 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel32M10 × 1None

-

1 Piece(s) Quote M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel32M10 × 1High-temperature specifications (-5 to +100°C)

SGD 63.47

1 Piece(s) 32 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.5No[Steel] Chrome molybdenum steel32M10 × 1.25None

SGD 96.48

1 Piece(s) 31 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.75No[Steel] Chrome molybdenum steel40M12 × 1.25None

-

1 Piece(s) Quote M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.75No[Steel] Chrome molybdenum steel40M12 × 1.25High-temperature specifications (-5 to +100°C)

SGD 96.48

1 Piece(s) 32 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.75No[Steel] Chrome molybdenum steel40M12 × 1.5None

-

1 Piece(s) Quote M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.75No[Steel] Chrome molybdenum steel40M12 × 1.5High-temperature specifications (-5 to +100°C)

SGD 96.48

1 Piece(s) 32 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.75No[Steel] Chrome molybdenum steel40M12 × 1.75None

-

1 Piece(s) Quote M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.75No[Steel] Chrome molybdenum steel40M12 × 1.75High-temperature specifications (-5 to +100°C)

SGD 81.90

1 Piece(s) Same day M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.75No[Steel] Chrome molybdenum steel40M14 × 1.5None

SGD 88.55

1 Piece(s) 32 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel0.75No[Steel] Chrome molybdenum steel40M14 × 1.5High-temperature specifications (-5 to +100°C)

SGD 96.48

1 Piece(s) 32 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel1No[Steel] Chrome molybdenum steel50M16 × 1.5None

SGD 113.87

1 Piece(s) 32 Day(s) M10 ~ M18Threaded1~1.75[Steel] Carbon steel1No[Steel] Chrome molybdenum steel50M16 × 1.5High-temperature specifications (-5 to +100°C)

SGD 110.25

1 Piece(s) Same day M10 ~ M18Threaded1~1.75[Steel] Carbon steel1No[Steel] Chrome molybdenum steel63M18 × 1.5None

SGD 127.75

1 Piece(s) Quote M10 ~ M18Threaded1~1.75[Steel] Carbon steel1No[Steel] Chrome molybdenum steel63M18 × 1.5High-temperature specifications (-5 to +100°C)

SGD 136.97

1 Piece(s) 31 Day(s) M20 ~ M26Threaded1~1.75[Steel] Carbon steel1.25No[Steel] Chrome molybdenum steel80M22 × 1.5None

SGD 156.68

1 Piece(s) 32 Day(s) M20 ~ M26Threaded1~1.75[Steel] Carbon steel1.25No[Steel] Chrome molybdenum steel80M22 × 1.5High-temperature specifications (-5 to +100°C)

SGD 187.02

1 Piece(s) 32 Day(s) M20 ~ M26Threaded1~1.75[Steel] Carbon steel2No[Steel] Chrome molybdenum steel100M26 × 1.5None

SGD 209.42

1 Piece(s) 32 Day(s) M20 ~ M26Threaded1~1.75[Steel] Carbon steel2No[Steel] Chrome molybdenum steel100M26 × 1.5High-temperature specifications (-5 to +100°C)

SGD 187.02

1 Piece(s) 32 Day(s) M27 to M28Threaded1~1.75[Steel] Carbon steel2No[Steel] Chrome molybdenum steel100M27 × 1.5None

SGD 434.23

1 Piece(s) 32 Day(s) M30 ~ M36Threaded1~1.75[Steel] Carbon steel2.5No[Steel] Chrome molybdenum steel140M30 × 1.5None

-

1 Piece(s) Quote M30 ~ M36Threaded1~1.75[Steel] Carbon steel2.5No[Steel] Chrome molybdenum steel140M30 × 1.5High-temperature specifications (-5 to +100°C)

SGD 567.93

1 Piece(s) 32 Day(s) M30 ~ M36Threaded1~1.75[Steel] Carbon steel3No[Steel] Chrome molybdenum steel160M36 × 1.5None

-

1 Piece(s) Quote M30 ~ M36Threaded1~1.75[Steel] Carbon steel3No[Steel] Chrome molybdenum steel160M36 × 1.5High-temperature specifications (-5 to +100°C)

SGD 89.48

1 Piece(s) 32 Day(s) M3 ~ M8Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel20M8 × 1None

-

1 Piece(s) Quote M3 ~ M8Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel20M8 × 1High-temperature specifications (-5 to +100°C)

SGD 78.52

1 Piece(s) 52 Day(s) M3 ~ M8Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel20M8 × 1.25None

SGD 84.47

1 Piece(s) 32 Day(s) M3 ~ M8Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel20M8 × 1.25High-temperature specifications (-5 to +100°C)

SGD 96.48

1 Piece(s) 32 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel25M10 × 1.5None

-

1 Piece(s) Quote M10 ~ M18Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel25M10 × 1.5High-temperature specifications (-5 to +100°C)

SGD 85.17

SGD 43.44

1 Piece(s) Same day M10 ~ M18Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel30M10 × 1.25None

SGD 90.88

1 Piece(s) 32 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel30M10 × 1.25High-temperature specifications (-5 to +100°C)

SGD 96.48

1 Piece(s) 32 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel32M10 × 1None

-

1 Piece(s) Quote M10 ~ M18Hole1~1.75[Steel] Carbon steel0.5Flange Hardware[Steel] Chrome molybdenum steel32M10 × 1High-temperature specifications (-5 to +100°C)

SGD 129.97

1 Piece(s) 32 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel0.75Flange Hardware[Steel] Chrome molybdenum steel40M12 × 1.25None

-

1 Piece(s) Quote M10 ~ M18Hole1~1.75[Steel] Carbon steel0.75Flange Hardware[Steel] Chrome molybdenum steel40M12 × 1.25High-temperature specifications (-5 to +100°C)

SGD 129.97

1 Piece(s) 32 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel0.75Flange Hardware[Steel] Chrome molybdenum steel40M12 × 1.5None

-

1 Piece(s) Quote M10 ~ M18Hole1~1.75[Steel] Carbon steel0.75Flange Hardware[Steel] Chrome molybdenum steel40M12 × 1.5High-temperature specifications (-5 to +100°C)

SGD 129.97

1 Piece(s) 32 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel0.75Flange Hardware[Steel] Chrome molybdenum steel40M12 × 1.75None

-

1 Piece(s) Quote M10 ~ M18Hole1~1.75[Steel] Carbon steel0.75Flange Hardware[Steel] Chrome molybdenum steel40M12 × 1.75High-temperature specifications (-5 to +100°C)

SGD 115.27

SGD 69.16

1 Piece(s) Same day M10 ~ M18Hole1~1.75[Steel] Carbon steel0.75Flange Hardware[Steel] Chrome molybdenum steel40M14 × 1.5None

SGD 121.92

1 Piece(s) 32 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel0.75Flange Hardware[Steel] Chrome molybdenum steel40M14 × 1.5High-temperature specifications (-5 to +100°C)

SGD 129.97

1 Piece(s) 32 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel1Flange Hardware[Steel] Chrome molybdenum steel50M16 × 1.5None

-

1 Piece(s) Quote M10 ~ M18Hole1~1.75[Steel] Carbon steel1Flange Hardware[Steel] Chrome molybdenum steel50M16 × 1.5High-temperature specifications (-5 to +100°C)

SGD 140.35

1 Piece(s) 52 Day(s) M10 ~ M18Hole1~1.75[Steel] Carbon steel1Flange Hardware[Steel] Chrome molybdenum steel63M18 × 1.5None

SGD 157.85

1 Piece(s) Quote M10 ~ M18Hole1~1.75[Steel] Carbon steel1Flange Hardware[Steel] Chrome molybdenum steel63M18 × 1.5High-temperature specifications (-5 to +100°C)

SGD 170.33

1 Piece(s) 31 Day(s) M20 ~ M26Hole1~1.75[Steel] Carbon steel1.25Flange Hardware[Steel] Chrome molybdenum steel80M22 × 1.5None

-

1 Piece(s) Quote M20 ~ M26Hole1~1.75[Steel] Carbon steel1.25Flange Hardware[Steel] Chrome molybdenum steel80M22 × 1.5High-temperature specifications (-5 to +100°C)

SGD 220.50

1 Piece(s) 32 Day(s) M20 ~ M26Hole1~1.75[Steel] Carbon steel2Flange Hardware[Steel] Chrome molybdenum steel100M26 × 1.5None

SGD 242.90

1 Piece(s) 32 Day(s) M20 ~ M26Hole1~1.75[Steel] Carbon steel2Flange Hardware[Steel] Chrome molybdenum steel100M26 × 1.5High-temperature specifications (-5 to +100°C)

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Basic Information

Type Floating Joints Connection Type, Cylinder Side Tapped Applicable Cylinder Air Cylinder / Hydraulic Cylinders
Allowable Angular Deviation(deg) ±5

Configure

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91 Part Numbers

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Specification/Dimensions

  • Connecting Thread Nominal M(mm)

    • M3 ~ M8
    • M10 ~ M18
    • M20 ~ M26
    • M30 ~ M36
    • M27 to M28

    Clear

  • Connection Type, Work Piece Side

    • Threaded
    • Hole

    Clear

  • Main Body Material

    • Steel
      • Carbon steel
    • Brass

    Clear

  • Allowable Misalignment U(mm)

    • 0.5
    • 0.75
    • 1
    • 1.25
    • 2
    • 2.5
    • 3

    Clear

  • Metallic Head

    • No
    • Flange Hardware
    • Foot Hardware

    Clear

  • Stud Material

    • Steel
      • Chrome molybdenum steel
      • Free-cutting steel

    Clear

  • Applicable cylinder bore size(ø)

    • 6
    • 10
    • 15
    • 20
    • 25
    • 30
    • 32
    • 40
    • 50
    • 63
    • 80
    • 100
    • 125
    • 140
    • 160

    Clear

  • Applicable cylinder nominal thread

    • M3 × 0.5
    • M4 × 0.7
    • M5 × 0.8
    • M6 × 1
    • M8 × 1
    • M8 × 1.25
    • M10 × 1
    • M10 × 1.25
    • M10 × 1.5
    • M12 × 1.25
    • M12 × 1.5
    • M12 × 1.75
    • M14 × 1.5
    • M16 × 1.5
    • M16 × 2
    • M18 × 1.5
    • M20 × 2.5
    • M22 × 1.5
    • M24 × 3
    • M26 × 1.5
    • M27 × 1.5
    • M27 × 2
    • M30 × 1.5
    • M33 × 2
    • M36 × 1.5

    Clear

  • Option

    • High-temperature specifications (-5 to +100°C)
    • None

    Clear

  • type

    • JA

    Clear

  • Connecting Thread Nominal P(mm)

    • 0.5~0.8
    • 1~1.75
    • 2~2.5
    • 2.5 or more

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • Same day
    • 31 Day(s) or Less
    • 32 Day(s) or Less
    • 52 Day(s) or Less

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