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

Universal Joint Coupling -Set Screw Type- [SCJ] (SCJ-20-8K3X8K2)

Universal Joint Coupling -Set Screw Type- [SCJ] SCJ-20-8K3X8K2

Clamping type product suitable for use in cases where shaft and shaft are located away from each other, or when the angle of the shaft is great. SUNGIL Inc. 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.

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Japanese Only

Part Number

Configured Part Number is shown.

SCJ-20-8K3X8K2

Configured Specifications

TypeStandard TypeAllowable Torque Range(N•m)0.05~1.00
Shaft Bore Dia. (machined) D1(Ø)8Shaft Bore Dia. (machined) D2(Ø)8
O.D.(Ø)20Full Length(mm)23.6
Max. Rotational Speed Range(r/min)4001~10000 / 10001~78000FeaturesHigh torsional rigidity / High durability / Small / Heat Resistant
Body MaterialAluminum / Aluminum AlloyApplicationServo Motor
Allowable Torque(N•m)0.5Max. Rotational Speed(r/min)6000 ~ 16000
Show More
Allowable Lateral Misalignment Range(mm)0.41~1.0Allowable Lateral Misalignment(mm)0.5
Allowable Angular Misalignment(deg)3Operating Temperature Range(°C)-50~200
Allowable Axial Clearance (±)(mm)0Moment of Inertia(kg・m2)1.3X10-6
With or without KeywayBoth key grooves / Both 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)1Weight(g)570
RoHS10 - -
Show Less
Part Number
SCJ-20-8K3X8K2
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSAllowable Torque Range
(N•m)
Shaft Bore Dia. (machined) D1
(Ø)
Shaft Bore Dia. (machined) D2
(Ø)
O.D.
(Ø)
Full Length
(mm)
Max. Rotational Speed Range
(r/min)
Allowable Torque
(N•m)
Max. Rotational Speed
(r/min)
Allowable Lateral Misalignment Range
(mm)
Allowable Lateral Misalignment
(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)
Weight
(g)

SGD 44.07

1 Piece(s) 13 Day(s) or more 100.05~1.00882023.64001~10000 / 10001~780000.56000 ~ 160000.41~1.00.51.3X10-6Both key grooves / Both sides keywayK331.4K221570
Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSAllowable Torque Range
(N•m)
Shaft Bore Dia. (machined) D1
(Ø)
Shaft Bore Dia. (machined) D2
(Ø)
O.D.
(Ø)
Full Length
(mm)
Max. Rotational Speed Range
(r/min)
Allowable Torque
(N•m)
Max. Rotational Speed
(r/min)
Allowable Lateral Misalignment Range
(mm)
Allowable Lateral Misalignment
(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)
Weight
(g)
  1. 1

Basic Information

Type Standard Type Features High torsional rigidity / High durability / Small / Heat Resistant Body Material Aluminum / Aluminum Alloy
Application Servo Motor Allowable Angular Misalignment(deg) 3 Operating Temperature Range(°C) -50::200
Allowable Axial Clearance (±)(mm) 0

Please check the type/dimensions/specifications of the part SCJ-20-8K3X8K2 in the Universal Joint Coupling -Set Screw Type- [SCJ] series.

Similar Part Numbers

Part Number
SCJ-15-3X5K2
SCJ-15-3X6
SCJ-15-3X6.35
SCJ-20-8K3X8K3
SCJ-20-8K3X8K4
SCJ-20-8K4X8
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSAllowable Torque Range
(N•m)
Shaft Bore Dia. (machined) D1
(Ø)
Shaft Bore Dia. (machined) D2
(Ø)
O.D.
(Ø)
Full Length
(mm)
Max. Rotational Speed Range
(r/min)
Allowable Torque
(N•m)
Max. Rotational Speed
(r/min)
Allowable Lateral Misalignment Range
(mm)
Allowable Lateral Misalignment
(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)
Weight
(g)

SGD 38.77

1 Piece(s) 13 Day(s) or more 100.05~1.00351522.410001~78000 / 4001~100000.256000 ~ 210000.21~0.400.33.3X10-7One Side Key Way / One Side Key Seat---K221570

SGD 36.51

1 Piece(s) 12 Day(s) or more 100.05~1.00361522.410001~78000 / 4001~100000.256000 ~ 210000.21~0.400.33.3X10-7Key Seat Exist / No Keyway------570

SGD 36.51

1 Piece(s) 12 Day(s) or more 100.05~1.0036.351522.410001~78000 / 4001~100000.256000 ~ 210000.21~0.400.33.3X10-7Key Seat Exist / No Keyway------570

SGD 44.07

1 Piece(s) 13 Day(s) or more 100.05~1.00882023.610001~78000 / 4001~100000.56000 ~ 160000.41~1.00.51.3X10-6Both key grooves / Both sides keywayK331.4K331.4570

SGD 44.07

1 Piece(s) 13 Day(s) or more 100.05~1.00882023.610001~78000 / 4001~100000.56000 ~ 160000.41~1.00.51.3X10-6Both key grooves / Both sides keywayK331.4K441.8570

SGD 41.81

1 Piece(s) 13 Day(s) or more 100.05~1.00882023.610001~78000 / 4001~100000.56000 ~ 160000.41~1.00.51.3X10-6One Side Key Way / One Side Key SeatK441.8---570
Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSAllowable Torque Range
(N•m)
Shaft Bore Dia. (machined) D1
(Ø)
Shaft Bore Dia. (machined) D2
(Ø)
O.D.
(Ø)
Full Length
(mm)
Max. Rotational Speed Range
(r/min)
Allowable Torque
(N•m)
Max. Rotational Speed
(r/min)
Allowable Lateral Misalignment Range
(mm)
Allowable Lateral Misalignment
(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)
Weight
(g)

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