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Discontinued Products

Bellow couplings / hub clamping / bellows: stainless steel / body: aluminium / KB4AL / KBK

Bellow couplings / hub clamping / bellows: stainless steel / body: aluminium / KB4AL / KBK

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KBK

KBK

· Backlash-free metal bellows coupling with clamp hubs
· Hub material: aluminum
· Alternatively to steel executions we recommend our series KB4AL from size 80 - 500
· For shaft diameters from 10 - 70mm
· High torsional stiffness, compensation of shaft misalignment at low restoring forces
· Easy assembly and low inertia
· Perfect bellows coupling for connecting servo motors, e.g. in machine tools, automation techniques, packing machines, wood working machines
· Torque range: 80 - 500Nm

Data sheet

Part Number

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the corresponding part number is displayed here.

 
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  1. 1
Part Number
KB4AL/80-91-[12-44/1]-[12-44/1]
KB4AL/80-91-[12-44/1]-N[12-44/1]
KB4AL/80-91-N[12-44/1]-[12-44/1]
KB4AL/80-91-N[12-44/1]-N[12-44/1]
KB4AL/80-102-[12-44/1]-[12-44/1]
KB4AL/80-102-[12-44/1]-N[12-44/1]
KB4AL/80-102-N[12-44/1]-[12-44/1]
KB4AL/80-102-N[12-44/1]-N[12-44/1]
KB4AL/150-91-[14-44/1]-[14-44/1]
KB4AL/150-91-[14-44/1]-N[14-44/1]
KB4AL/150-91-N[14-44/1]-[14-44/1]
KB4AL/150-91-N[14-44/1]-N[14-44/1]
KB4AL/150-102-[14-44/1]-[14-44/1]
KB4AL/150-102-[14-44/1]-N[14-44/1]
KB4AL/150-102-N[14-44/1]-[14-44/1]
KB4AL/150-102-N[14-44/1]-N[14-44/1]
KB4AL/200-101-[16-47/1]-[16-47/1]
KB4AL/200-101-[16-47/1]-N[16-47/1]
KB4AL/200-101-N[16-47/1]-[16-47/1]
KB4AL/200-101-N[16-47/1]-N[16-47/1]
KB4AL/200-113-[16-47/1]-[16-47/1]
KB4AL/200-113-[16-47/1]-N[16-47/1]
KB4AL/200-113-N[16-47/1]-[16-47/1]
KB4AL/200-113-N[16-47/1]-N[16-47/1]
KB4AL/300-105-[20-60/1]-[20-60/1]
KB4AL/300-105-[20-60/1]-N[20-60/1]
KB4AL/300-105-N[20-60/1]-[20-60/1]
KB4AL/300-105-N[20-60/1]-N[20-60/1]
KB4AL/300-116-[20-60/1]-[20-60/1]
KB4AL/300-116-[20-60/1]-N[20-60/1]
KB4AL/300-116-N[20-60/1]-[20-60/1]
KB4AL/300-116-N[20-60/1]-N[20-60/1]
KB4AL/500-112-[25-70/1]-[25-70/1]
KB4AL/500-112-[25-70/1]-N[25-70/1]
KB4AL/500-112-N[25-70/1]-[25-70/1]
KB4AL/500-112-N[25-70/1]-N[25-70/1]
KB4AL/500-123-[25-70/1]-[25-70/1]
KB4AL/500-123-[25-70/1]-N[25-70/1]
KB4AL/500-123-N[25-70/1]-[25-70/1]
KB4AL/500-123-N[25-70/1]-N[25-70/1]
Part NumberRelated to
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSShaft Bore Dia. (machined) D1
(mm) 		Shaft Bore Dia. (machined) D2
(mm) 		Outer Dia. A
(mm) 		Length L
(mm) 		Allowable Torque
(Nm) 		Max. Rotational Speed
(r/min) 		Allowable Lateral Misalignment
(mm) 		Allowable Angular Misalignment
(deg) 		Allowable Axial Clearance (±)
(mm) 		Applicable Range (Bore 1) Applicable Range (Bore 2) Maximum D1 Bore Size with Keyway Maximum D2 Bore Size with Keyway Keyway D1 Keyway D2

Data sheet

-

1 12 Days 1012 ～ 4412 ～ 4482918069000.21.50.512-4412-444444NoNo

Data sheet

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1 12 Days 1012 ～ 4412 ～ 4482918069000.21.50.512-4412-444444NoYes

Data sheet

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1 12 Days 1012 ～ 4412 ～ 4482918069000.21.50.512-4412-444444YesNo

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-

1 12 Days 1012 ～ 4412 ～ 4482918069000.21.50.512-4412-444444YesYes

Data sheet

-

1 12 Days 1012 ～ 4412 ～ 44821028069000.2520.812-4412-444444NoNo

Data sheet

-

1 12 Days 1012 ～ 4412 ～ 44821028069000.2520.812-4412-444444NoYes

Data sheet

-

1 12 Days 1012 ～ 4412 ～ 44821028069000.2520.812-4412-444444YesNo

Data sheet

-

1 12 Days 1012 ～ 4412 ～ 44821028069000.2520.812-4412-444444YesYes

Data sheet

-

1 12 Days 1014 ～ 4414 ～ 44829115069000.21.50.514-4414-444444NoNo

Data sheet

-

1 12 Days 1014 ～ 4414 ～ 44829115069000.21.50.514-4414-444444NoYes

Data sheet

-

1 12 Days 1014 ～ 4414 ～ 44829115069000.21.50.514-4414-444444YesNo

Data sheet

-

1 12 Days 1014 ～ 4414 ～ 44829115069000.21.50.514-4414-444444YesYes

Data sheet

-

1 12 Days 1014 ～ 4414 ～ 448210215069000.2520.814-4414-444444NoNo

Data sheet

-

1 12 Days 1014 ～ 4414 ～ 448210215069000.2520.814-4414-444444NoYes

Data sheet

-

1 12 Days 1014 ～ 4414 ～ 448210215069000.2520.814-4414-444444YesNo

Data sheet

-

1 12 Days 1014 ～ 4414 ～ 448210215069000.2520.814-4414-444444YesYes

Data sheet

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1 12 Days 1016 ～ 4716 ～ 479010120064000.21.50.516-4816-484747NoNo

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1 12 Days 1016 ～ 4716 ～ 479010120064000.21.50.516-4816-484747NoYes

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1 12 Days 1016 ～ 4716 ～ 479010120064000.21.50.516-4816-484747YesNo

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1 12 Days 1016 ～ 4716 ～ 479010120064000.21.50.516-4816-484747YesYes

Data sheet

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1 12 Days 1016 ～ 4716 ～ 479011320064000.2520.816-4816-484747NoNo

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-

1 12 Days 1016 ～ 4716 ～ 479011320064000.2520.816-4816-484747NoYes

Data sheet

-

1 12 Days 1016 ～ 4716 ～ 479011320064000.2520.816-4816-484747YesNo

Data sheet

-

1 12 Days 1016 ～ 4716 ～ 479011320064000.2520.816-4816-484747YesYes

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1 12 Days 1020 ～ 6020 ～ 6011010530060000.21.50.520-6020-606060NoNo

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1 12 Days 1020 ～ 6020 ～ 6011010530060000.21.50.520-6020-606060NoYes

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1 12 Days 1020 ～ 6020 ～ 6011010530060000.21.50.520-6020-606060YesNo

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1 12 Days 1020 ～ 6020 ～ 6011010530060000.21.50.520-6020-606060YesYes

Data sheet

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1 12 Days 1020 ～ 6020 ～ 6011011630060000.2520.820-6020-606060NoNo

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1 12 Days 1020 ～ 6020 ～ 6011011630060000.2520.820-6020-606060NoYes

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1 12 Days 1020 ～ 6020 ～ 6011011630060000.2520.820-6020-606060YesNo

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1 12 Days 1020 ～ 6020 ～ 6011011630060000.2520.820-6020-606060YesYes

Data sheet

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1 12 Days 1025 ～ 7025 ～ 7012211250050000.21.50.525-6525-657070NoNo

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1 12 Days 1025 ～ 7025 ～ 7012211250050000.21.50.525-6525-657070NoYes

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1 12 Days 1025 ～ 7025 ～ 7012211250050000.21.50.525-6525-657070YesNo

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1 12 Days 1025 ～ 7025 ～ 7012211250050000.21.50.525-6525-657070YesYes

Data sheet

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1 12 Days 1025 ～ 7025 ～ 7012212350050000.252125-6525-657070NoNo

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1 12 Days 1025 ～ 7025 ～ 7012212350050000.252125-6525-657070NoYes

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1 12 Days 1025 ～ 7025 ～ 7012212350050000.252125-6525-657070YesNo

Data sheet

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1 12 Days 1025 ～ 7025 ～ 7012212350050000.252125-6525-657070YesYes

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  1. 1

Basic information

Type Bellows Type Application Standard / Servo Motor / Stepping Motor Feature High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia
Bellows Part Material Stainless Steel

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Basic Attributes

  • Shaft Bore Dia. (machined) D1(mm)

     [12-70/1mm Unit(s)]

    Clear

  • Shaft Bore Dia. (machined) D2(mm)

     [12-70/1mm Unit(s)]

    Clear

  • Outer Dia. A(mm)

    • 82
    • 90
    • 110
    • 122

    Clear

  • Length L(mm)

    • 91
    • 101
    • 102
    • 105
    • 112
    • 113
    • 116
    • 123

    Clear

  • Allowable Torque(Nm)

    • 80
    • 150
    • 200
    • 300
    • 500

    Clear

  • Max. Rotational Speed(r/min)

    • 5000
    • 6000
    • 6400
    • 6900

    Clear

  • Allowable Lateral Misalignment(mm)

    • 0.2
    • 0.25

    Clear

  • Allowable Angular Misalignment(deg)

    • 1.5
    • 2

    Clear

  • Applicable Range (Bore 1)

    • 12-44
    • 14-44
    • 16-48
    • 20-60
    • 25-65

    Clear

  • Applicable Range (Bore 2)

    • 12-44
    • 14-44
    • 16-48
    • 20-60
    • 25-65

    Clear

  • Maximum D1 Bore Size with Keyway

    • 44
    • 47
    • 60
    • 70

    Clear

  • Maximum D2 Bore Size with Keyway

    • 44
    • 47
    • 60
    • 70

    Clear

  • Keyway D1

    • No
    • Yes

    Clear

  • Keyway D2

    • No
    • Yes

    Clear

  • Type

    • KB4AL

    Clear

  • Filter by CAD data type

    • 2D
    • 3D

    Clear

Filter by standard shipping days

    • All
    • 12 Days or Less

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Optional Attributes

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