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Flexible Couplings - zero backlash, EK2 series, (Inches). (EK2/300/A/31.75/42.86)

Flexible Couplings - zero backlash, EK2 series, (Inches). EK2/300/A/31.75/42.86

R+W

R+W

Features
Easy to mount
Highly concentric assembly
Vibration damping

Design
Two concentrically machined hubs with curved jaws and clamping screws, with calibrated preloaded insert

Material
Hubs: high strength aluminum
Elastomer: wear resistant thermanally stable TPU, available in 3 hardness levels

Advantage
Smooth running and reliable transmission with absorption of vibration and shock

Size 800 is available on special request.

Part Number

Configured Part Number is shown.

EK2/300/A/31.75/42.86


30
45
60
  1. 1
Part Number
EK2/300/A/31.75/42.86
Part NumberMinimum order quantityVolume DiscountDays to Ship Allowable Torque Range
(N•m) 		Outer Dia. A
(Ø) 		Overall Length W
(mm) 		Max. Rotational Speed Range
(r/min) 		Allowable Torque
(N•m) 		Max. Rotational Speed
(r/min) 		Allowable Angular Misalignment
(deg) 		Allowable Lateral Misalignment Range
(mm) 		Allowable Lateral Misalignment
(mm) 		Operating Temperature Range
(℃) 		Moment of Inertia
(kg･m2) 		For Shaft Size D1
(inch) 		For Shaft Size D2
(inch) 		Fit Length (mm)
(mm) 		Tightening Torque of the Fastening Screw (in-lbs)
(in-lbs) 		Size Elastomer Insert
1 Piece(s)

21 Days

500~less than 1000821144001~10000650900010.02~0.20.18-30～1000.00081 1/41 2/345620300A - Shore 98A

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  1. 1

Basic Information

Type Jaw Type Application Servo Motor / Stepping Motor Feature No Backlash
Body Material Aluminum Buffer Part Material Polyurethane Allowable Axial Misalignment (±)(mm) 2

Please check the type/dimensions/specifications of the part EK2/300/A/31.75/42.86 in the Flexible Couplings - zero backlash, EK2 series, (Inches). series.

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Specification/Dimensions

  • Allowable Torque Range(N•m)

    • 10.01~20.00
    • 20.01~50.00
    • 50.01~100.00
    • 100~less than 500
    • 500~less than 1000
    • 1000~less than 5000

    Clear

  • Outer Dia. A(Ø)

    • 42
    • 56
    • 67
    • 82
    • 102

    Clear

  • Overall Length W(mm)

    • 66
    • 78
    • 90
    • 114
    • 126

    Clear

  • Max. Rotational Speed Range(r/min)

    • 4001~10000
    • 10001~78000

    Clear

  • Allowable Torque(N•m)

    • 12
    • 34
    • 40
    • 42
    • 85
    • 120
    • 150
    • 170
    • 190
    • 320
    • 400
    • 650
    • 810
    • 1060
    • 1350

    Clear

  • Max. Rotational Speed(r/min)

    • 8000
    • 9000
    • 10000
    • 11000
    • 12500

    Clear

  • Allowable Angular Misalignment(deg)

    • 0.8
    • 1
    • 1.2

    Clear

  • Allowable Lateral Misalignment Range(mm)

    • 0.02~0.2
    • 0.21~0.40

    Clear

  • Allowable Lateral Misalignment(mm)

    • 0.08
    • 0.1
    • 0.12
    • 0.14
    • 0.15
    • 0.18
    • 0.2
    • 0.25
    • 0.3
    • 0.35

    Clear

  • For Shaft Size D1(inch)

    • 1
    • 1 1/2
    • 1 1/4
    • 1 1/8
    • 1/2
    • 1 2/3
    • 1 3/4
    • 1 3/7
    • 1 3/8
    • 1 5/8
    • 1 7/8
    • 2
    • 2 1/4
    • 2 1/8
    • 3/4
    • 3/7
    • 3/8
    • 5/8
    • 7/8

    Clear

  • For Shaft Size D2(inch)

    • 1
    • 1 1/2
    • 1 1/4
    • 1 1/8
    • 1/2
    • 1 2/3
    • 1 3/4
    • 1 3/7
    • 1 3/8
    • 1 5/8
    • 1 7/8
    • 2
    • 2 1/4
    • 2 1/8
    • 3/4
    • 3/7
    • 3/8
    • 5/8
    • 7/8

    Clear

  • Fit Length (mm)(mm)

    • 25
    • 30
    • 35
    • 45
    • 50

    Clear

  • Tightening Torque of the Fastening Screw (in-lbs)(in-lbs)

    • 71
    • 133
    • 310
    • 620
    • 1062

    Clear

  • Size

    • 20
    • 60
    • 150
    • 300
    • 450

    Clear

  • Elastomer Insert

    • B - Shore 64D
    • C - Shore 80A
    • A - Shore 98A

    Clear

  • CAD

    • 3D

    Clear

Days to Ship

    • All
    • 5 Days or Less
    • 8 Days or Less
    • 21 Days or Less

    Clear

Specify Alterations

Products like this...

Part Number
EK2/150/A/19.05/28.58
EK2/150/A/19.05/31.75
EK2/150/A/19.05/34.93
EK2/300/A/31.75/44.45
EK2/300/A/34.93/34.93
EK2/300/A/34.93/36.51
Part NumberMinimum order quantityVolume DiscountDays to Ship Allowable Torque Range
(N•m) 		Outer Dia. A
(Ø) 		Overall Length W
(mm) 		Max. Rotational Speed Range
(r/min) 		Allowable Torque
(N•m) 		Max. Rotational Speed
(r/min) 		Allowable Angular Misalignment
(deg) 		Allowable Lateral Misalignment Range
(mm) 		Allowable Lateral Misalignment
(mm) 		Operating Temperature Range
(℃) 		Moment of Inertia
(kg･m2) 		For Shaft Size D1
(inch) 		For Shaft Size D2
(inch) 		Fit Length (mm)
(mm) 		Tightening Torque of the Fastening Screw (in-lbs)
(in-lbs) 		Size Elastomer Insert
1 Piece(s)

8 Days

100~less than 50067904001~100003201000010.02~0.20.15-30～1000.000263/41 1/835310150A - Shore 98A
1 Piece(s)

5 Days

100~less than 50067904001~100003201000010.02~0.20.15-30～1000.000263/41 1/435310150A - Shore 98A
1 Piece(s)

8 Days

100~less than 50067904001~100003201000010.02~0.20.15-30～1000.000263/41 3/835310150A - Shore 98A
1 Piece(s)

21 Days

500~less than 1000821144001~10000650900010.02~0.20.18-30～1000.00081 1/41 3/445620300A - Shore 98A
1 Piece(s)

8 Days

500~less than 1000821144001~10000650900010.02~0.20.18-30～1000.00081 3/81 3/845620300A - Shore 98A
1 Piece(s)

21 Days

500~less than 1000821144001~10000650900010.02~0.20.18-30～1000.00081 3/81 3/745620300A - Shore 98A

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