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  • Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

Disc Coupling Clamping Type (Double Disc) SDWA (SDWA-42C-8K3X8K2)

Disc Coupling Clamping Type (Double Disc) SDWA SDWA-42C-8K3X8K2

Structure that adjusts axis misalignment by deflection of a thin metal disc. Large torque transmission, even at high-speeds. Simple structure that is easy to remove. Clamping type product. SUNGIL The company is a Korean manufacturer established in 1991. Korean coupling market share is 70%, with over 3,000 customers. No1 maker. Rich selection, and short lead-times.

(i)Caution

  • Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
    There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

PDF

Japanese Only

Part Number

Configured Part Number is shown.

SDWA-42C-8K3X8K2

Configured Specifications

TypeDisc TypeShaft Hole Dia.(Already processed) d1(Ø)8
Shaft Hole Dia.(Already processed) d2(Ø)8Outer Diameter D(Ø)42.5
Full length L(mm)39.7ApplicationServo Motor / Stepping Motor
Rated torque range(N•m)5.01~10.00FeaturesHigh accuracy / Backlash 0 / Small / Heat Resistant
Allowable MisalignmentAngular Misalignment / Eccentricity / Axial MisalignmentMax. Rotational Speed Range(r/min)4001~10000
Body MaterialAluminumRated Torque(N•m)6
Show More
Allowable Angular Misalignment(deg)3Allowable Lateral Misalignment(mm)0.2
Product CategoryCoupling bodyAllowable Lateral Misalignment Range(mm)0.21~0.40
Max. Rotational Speed(r/min)8000Buffer MaterialAluminum
Disc MaterialStainless SteelOperating Temperature Range(°C)-50~200
Allowable Axial Clearance (±)(mm)0.5Moment of Inertia(kg・m2)2.1X10-5
With or without KeywayBoth sides keywayd1 Keyway symbolK3
d1keyway width b1(mm)3d1Keyway height t1(mm)1.4
d2 Keyway symbolK2d2 keyway width b2(mm)2
d2 keyway height t2(mm)1RoHS10
Show Less
Part Number
SDWA-42C-8K3X8K2
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSShaft Hole Dia.(Already processed) d1
(Ø)
Shaft Hole Dia.(Already processed) d2
(Ø)
Outer Diameter D
(Ø)
Full length L
(mm)
Rated torque range
(N•m)
Features Max. Rotational Speed Range
(r/min)
Rated Torque
(N•m)
Allowable Lateral Misalignment
(mm)
Allowable Lateral Misalignment Range
(mm)
Max. Rotational Speed
(r/min)
Buffer Material Allowable Axial Clearance (±)
(mm)
Moment of Inertia
(kg・m2)
With or without Keyway d1 Keyway symbol d1keyway width b1
(mm)
d1Keyway height t1
(mm)
d2 Keyway symbol d2 keyway width b2
(mm)
d2 keyway height t2
(mm)

SGD 59.27

1 Piece(s) 10 Day(s) or more 108842.539.75.01~10.00High accuracy / Backlash 0 / Small / Heat Resistant4001~1000060.20.21~0.408000Aluminum0.52.1X10-5Both sides keywayK331.4K221
Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSShaft Hole Dia.(Already processed) d1
(Ø)
Shaft Hole Dia.(Already processed) d2
(Ø)
Outer Diameter D
(Ø)
Full length L
(mm)
Rated torque range
(N•m)
Features Max. Rotational Speed Range
(r/min)
Rated Torque
(N•m)
Allowable Lateral Misalignment
(mm)
Allowable Lateral Misalignment Range
(mm)
Max. Rotational Speed
(r/min)
Buffer Material Allowable Axial Clearance (±)
(mm)
Moment of Inertia
(kg・m2)
With or without Keyway d1 Keyway symbol d1keyway width b1
(mm)
d1Keyway height t1
(mm)
d2 Keyway symbol d2 keyway width b2
(mm)
d2 keyway height t2
(mm)
  1. 1

Basic Information

Type Disc Type Application Servo Motor / Stepping Motor Allowable Misalignment Angular Misalignment / Eccentricity / Axial Misalignment
Body Material Aluminum Allowable Angular Misalignment(deg) 3 Product Category Coupling body
Disc Material Stainless Steel Operating Temperature Range(°C) -50::200

Please check the type/dimensions/specifications of the part SDWA-42C-8K3X8K2 in the Disc Coupling Clamping Type (Double Disc) SDWA series.

Similar Part Numbers

Part Number
SDWA-16C-3X5
SDWA-16C-3X5K2
SDWA-16C-4.5X4.5
SDWA-42C-8K3X8K3
SDWA-42C-8K3X8K4
SDWA-42C-8K3X9
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSShaft Hole Dia.(Already processed) d1
(Ø)
Shaft Hole Dia.(Already processed) d2
(Ø)
Outer Diameter D
(Ø)
Full length L
(mm)
Rated torque range
(N•m)
Features Max. Rotational Speed Range
(r/min)
Rated Torque
(N•m)
Allowable Lateral Misalignment
(mm)
Allowable Lateral Misalignment Range
(mm)
Max. Rotational Speed
(r/min)
Buffer Material Allowable Axial Clearance (±)
(mm)
Moment of Inertia
(kg・m2)
With or without Keyway d1 Keyway symbol d1keyway width b1
(mm)
d1Keyway height t1
(mm)
d2 Keyway symbol d2 keyway width b2
(mm)
d2 keyway height t2
(mm)

SGD 33.47

1 Piece(s) 9 Day(s) or more 103516211.01~3.00High accuracy / Backlash 0 / Small / Heat Resistant10001~780000.50.20.21~0.4014000Aluminum0.23.3X10-7No Keyway------

SGD 35.71

1 Piece(s) 10 Day(s) or more 103516211.01~3.00High accuracy / Backlash 0 / Small / Heat Resistant10001~780000.50.20.21~0.4014000Aluminum0.23.3X10-7One Side Key Way---K221

SGD 33.47

1 Piece(s) 9 Day(s) or more 104.54.516210.05~1.00High accuracy / Backlash 0 / Small10001~780000.50.20.02~0.214000[Others] Others0.23.3X10-7No Keyway------

SGD 59.27

1 Piece(s) 10 Day(s) or more 108842.539.75.01~10.00High accuracy / Backlash 0 / Small / Heat Resistant4001~1000060.20.21~0.408000Aluminum0.52.1X10-5Both sides keywayK331.4K331.4

SGD 59.27

1 Piece(s) 10 Day(s) or more 108842.539.75.01~10.00High accuracy / Backlash 0 / Small / Heat Resistant4001~1000060.20.21~0.408000Aluminum0.52.1X10-5Both sides keywayK331.4K441.8

SGD 57.02

1 Piece(s) 10 Day(s) or more 108942.539.75.01~10.00High accuracy / Backlash 0 / Small / Heat Resistant4001~1000060.20.21~0.408000Aluminum0.52.1X10-5One Side Key WayK331.4---
Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSShaft Hole Dia.(Already processed) d1
(Ø)
Shaft Hole Dia.(Already processed) d2
(Ø)
Outer Diameter D
(Ø)
Full length L
(mm)
Rated torque range
(N•m)
Features Max. Rotational Speed Range
(r/min)
Rated Torque
(N•m)
Allowable Lateral Misalignment
(mm)
Allowable Lateral Misalignment Range
(mm)
Max. Rotational Speed
(r/min)
Buffer Material Allowable Axial Clearance (±)
(mm)
Moment of Inertia
(kg・m2)
With or without Keyway d1 Keyway symbol d1keyway width b1
(mm)
d1Keyway height t1
(mm)
d2 Keyway symbol d2 keyway width b2
(mm)
d2 keyway height t2
(mm)

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