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Jaw-Shaped Coupling - Clamping Type - [SJC, SJCA, and SJCB] (SJC-55C-RD-12K4X28K9)

Jaw-Shaped Coupling - Clamping Type - [SJC, SJCA, and SJCB] SJC-55C-RD-12K4X28K9

SUNGIL

SUNGIL

Brand-name products provided by MISUMI-VONA are offered based on customers' needs that selected from products of Asian manufacturers carefully. Please select an item according to the user's various usage scenes. 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.

SJC-55C-RD-12K4X28K9

Configured Specifications

TypeJaw TypeShaft Hole Dia.(Already processed) d1(Ø)12
Shaft Hole Dia.(Already processed) d2(Ø)28Outer Diameter D(Ø)55
Full length L(mm)78ApplicationServo Motor
Rated torque range(N•m)50.01~100.00FeaturesHigh torsional rigidity / Backlash 0 / Vibration Absorption
Allowable MisalignmentAngular Misalignment / Eccentricity / Axial MisalignmentMax. Rotational Speed Range(r/min)4001~10000
Body MaterialAluminumRated Torque(N•m)60
Show More
Allowable Angular Misalignment(deg)1Allowable Lateral Misalignment(mm)0.1
Product CategoryCoupling bodyAllowable Lateral Misalignment Range(mm)0.02~0.2
Max. Rotational Speed(r/min)6500Buffer MaterialPolyacetal
Disc MaterialAluminumOperating Temperature Range(°C)-20～120
Allowable Axial Clearance (±)(mm)±1.40Moment of Inertia(kg・m2)1.6X10-4
With or without KeywayWith Keywayd1 Keyway symbolK4
d1keyway width b1(mm)4d1Keyway height t1(mm)1.8
d2 Keyway symbolK9d2 keyway width b2(mm)9
d2 keyway height t2(mm)3.3RoHS10
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Catalog (2 page view)
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  1. 1
Part Number
SJC-55C-RD-12K4X28K9
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) 		Max. Rotational Speed
(r/min) 		Buffer Material Disc Material Operating Temperature Range
(°C) 		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)

MYR 219.98

1 Piece(s) 9 Day(s) or more 101228557850.01~100.00High torsional rigidity / Backlash 0 / Vibration Absorption4001~10000600.16500PolyacetalAluminum-20～120±1.401.6X10-4With KeywayK441.8K993.3
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) 		Max. Rotational Speed
(r/min) 		Buffer Material Disc Material Operating Temperature Range
(°C) 		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 Jaw Type Application Servo Motor Allowable Misalignment Angular Misalignment / Eccentricity / Axial Misalignment
Body Material Aluminum Allowable Angular Misalignment(deg) 1 Product Category Coupling body
Allowable Lateral Misalignment Range(mm) 0.02~0.2

Please check the type/dimensions/specifications of the part SJC-55C-RD-12K4X28K9 in the Jaw-Shaped Coupling - Clamping Type - [SJC, SJCA, and SJCB] series.

Configure

Clear All

Completed

Specification/Dimensions

  • Features

    • High torsional rigidity
    • Backlash 0
    • Vibration Absorption
    • Small

    Clear

  • type

    • SJC-100C
    • SJC-14C
    • SJC-20C
    • SJC-25C
    • SJC-55C
    • SJC-65C
    • SJC-80C
    • SJCA-30C
    • SJCA-40C
    • SJCB-30C
    • SJCB-40C

    Clear

  • Shaft Hole Dia.(Already processed) d1(Ø)

    • 3
    • 4
    • 4.5
    • 5
    • 6
    • 6.35
    • 7
    • 8
    • 9.525
    • 10
    • 11
    • 12
    • 14
    • 15
    • 16
    • 18
    • 19
    • 20
    • 22
    • 24
    • 25
    • 26
    • 28
    • 30
    • 32
    • 35
    • 40
    • 45
    • 50
    • 60

    Clear

  • Shaft Hole Dia.(Already processed) d2(Ø)

    • 3
    • 4
    • 4.5
    • 5
    • 6
    • 6.35
    • 7
    • 8
    • 9.525
    • 10
    • 11
    • 12
    • 14
    • 15
    • 16
    • 18
    • 19
    • 20
    • 22
    • 24
    • 25
    • 26
    • 28
    • 30
    • 32
    • 35
    • 40
    • 45
    • 50
    • 60

    Clear

  • Outer Diameter D(Ø)

    • 14
    • 20
    • 25
    • 30
    • 40
    • 55
    • 65
    • 80
    • 104

    Clear

  • Full length L(mm)

    • 22
    • 30
    • 32.5
    • 35
    • 44
    • 55
    • 66
    • 78
    • 90
    • 114
    • 140

    Clear

  • Rated torque range(N•m)

    • 1.01~3.00
    • 3.01~5.00
    • 5.01~10.00
    • 10.01~20.00
    • 20.01~50.00
    • 50.01~100.00
    • 100～Less than 500

    Clear

  • Max. Rotational Speed Range(r/min)

    • 2001~4000
    • 4001~10000
    • 10001~78000

    Clear

  • Rated Torque(N•m)

    • 1.2
    • 2
    • 3
    • 5
    • 7.5
    • 9
    • 10
    • 12.5
    • 17
    • 35
    • 60
    • 95
    • 160
    • 190
    • 300
    • 320
    • 600

    Clear

  • Allowable Lateral Misalignment(mm)

    • 0.1
    • 0.15

    Clear

  • Max. Rotational Speed(r/min)

    • 3500
    • 4500
    • 5500
    • 6500
    • 8500
    • 10000
    • 13000
    • 15000
    • 22000

    Clear

  • Buffer Material

    • Polyacetal
    • Polyurethane
      • Polyurethane Elastomer
    • Others
      • Polyester Elastomer

    Clear

  • Disc Material

    • Aluminum

    Clear

  • With or without Keyway

    • Both sides keyway
    • No Keyway
    • One Side Key Way
    • With Keyway

    Clear

  • d1 Keyway symbol

    • K2
    • K3
    • K4
    • K5
    • K6
    • K7
    • K8
    • K9
    • K10
    • K12
    • K14
    • K16
    • K18

    Clear

  • d1keyway width b1(mm)

    • 2
    • 3
    • 4
    • 5
    • 6
    • 7
    • 8
    • 9
    • 10
    • 12
    • 14
    • 16
    • 18

    Clear

  • d1Keyway height t1(mm)

    • 1
    • 1.4
    • 1.8
    • 2.3
    • 2.8
    • 3
    • 3.3
    • 3.8
    • 4.3
    • 4.4

    Clear

  • d2 Keyway symbol

    • K2
    • K3
    • K4
    • K5
    • K6
    • K7
    • K8
    • K9
    • K10
    • K12
    • K14
    • K16
    • K18

    Clear

  • d2 keyway width b2(mm)

    • 2
    • 3
    • 4
    • 5
    • 6
    • 7
    • 8
    • 9
    • 10
    • 12
    • 14
    • 16
    • 18

    Clear

  • d2 keyway height t2(mm)

    • 1
    • 1.4
    • 1.8
    • 2.3
    • 2.8
    • 3
    • 3.3
    • 3.8
    • 4.3
    • 4.4

    Clear

  • CAD

    • 2D

    Clear

Days to Ship

    • All
    • 4 Day(s) or Less
    • 6 Day(s) or Less
    • 8 Day(s) or Less
    • 9 Day(s) or Less
    • 10 Day(s) or Less
    • 11 Day(s) or Less
    • 12 Day(s) or Less
    • 14 Day(s) or Less
    • 15 Day(s) or Less
    • 61 Day(s) or Less

    Clear

Specify Alterations

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SJC-55C-RD-12K5X12
SJC-55C-RD-12K5X12K4
SJC-55C-RD-12K5X12K5
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) 		Max. Rotational Speed
(r/min) 		Buffer Material Disc Material Operating Temperature Range
(°C) 		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)

MYR 667.82

1 Piece(s) 9 Day(s) or more 102020104140100～Less than 500High torsional rigidity / Backlash 0 / Vibration Absorption2001~40003000.153500[Polyurethane] Polyurethane ElastomerAluminum-30～90204.6X10-3Both sides keywayK662.8K883.3

MYR 654.84

1 Piece(s) 9 Day(s) or more 102022104140100～Less than 500High torsional rigidity / Backlash 0 / Vibration Absorption2001~40003000.153500[Polyurethane] Polyurethane ElastomerAluminum-30～90204.6X10-3One Side Key WayK662.8---

MYR 667.82

1 Piece(s) 9 Day(s) or more 102022104140100～Less than 500High torsional rigidity / Backlash 0 / Vibration Absorption2001~40003000.153500[Polyurethane] Polyurethane ElastomerAluminum-30～90204.6X10-3Both sides keywayK662.8K662.8

MYR 207.05

1 Piece(s) 9 Day(s) or more 101212557850.01~100.00High torsional rigidity / Backlash 0 / Vibration Absorption4001~10000600.16500[Polyurethane] Polyurethane ElastomerAluminum-20～1201.41.6X10-4One Side Key WayK552.3---

MYR 215.66

1 Piece(s) 9 Day(s) or more 101212557850.01~100.00High torsional rigidity / Backlash 0 / Vibration Absorption4001~10000600.16500PolyacetalAluminum-20～120±1.401.6X10-4With KeywayK552.3K441.8

MYR 215.66

1 Piece(s) 9 Day(s) or more 101212557850.01~100.00High torsional rigidity / Backlash 0 / Vibration Absorption4001~10000600.16500[Polyurethane] Polyurethane ElastomerAluminum-20～1201.41.6X10-4Both sides keywayK552.3K552.3
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) 		Max. Rotational Speed
(r/min) 		Buffer Material Disc Material Operating Temperature Range
(°C) 		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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