Bellow couplings / hub clamping / bellows: stainless steel / body: aluminium / KB4C / KBK (Part Numbers - CAD Download)

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· Backlash-free metal bellows coupling with compact clamp hubs
· For shaft diameters from 10 - 70mm
· High torsional stiffness, compensation of shaft misalignment at low restoring forces
· Perfect bellows coupling for connecting servo motors, e.g. in machine tools, automation techniques, packing machines, wood working machines
· Torque range: 18 - 500Nm

Part Number

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Part Number
KB4C/500-111-N[25-70/1]-N[25-70/1]

Part Number	Related to	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Shaft 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	10	25 ～ 70	25 ～ 70	122	111	500	5000	0.25	2	1	25-70	25-70	70	70	Yes	Yes

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)
[10-25.4/0.1mm Unit(s)][10-70/1mm Unit(s)]
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Shaft Bore Dia. (machined) D2(mm)
[10-25.4/0.1mm Unit(s)][10-70/1mm Unit(s)]
Clear
Outer Dia. A(mm)
45

56

66

82

90

110

122
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Length L(mm)
58

66

67

77

78

83

89

94

100

105

111
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Allowable Torque(Nm)
18

30

60

80

150

200

300

500
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Max. Rotational Speed(r/min)
5000

6000

6400

6900

8700

10300

12800
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Allowable Lateral Misalignment(mm)
0.15

0.2

0.25
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Allowable Angular Misalignment(deg)
1.5

2
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Applicable Range (Bore 1)
10-30

10-25,4

10.25-4

12-44

12-35

14-44

16-48

20-60

25-70
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Applicable Range (Bore 2)
10-30

10-25,4

10.25-4

12-44

12-35

14-44

16-48

20-60

25-70
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Maximum D1 Bore Size with Keyway
25.4

30

35

44

47

60

70
Clear
Maximum D2 Bore Size with Keyway
25.4

30

35

44

47

60

70
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Keyway D1
- No
- Yes
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Keyway D2
- No
- Yes
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Type
- KB4C
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