Bellow couplings / hub clamping, feather key DIN 6885 / bellows: stainless steel / body: aluminium / KB4K / KBK

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· Backlash-free metal bellows coupling in compact design for highest torques
· For shaft diameters from 10 - 70mm
· High torsional stiffness, compensation of shaft misalignment at low restoring forces
· Perfect bellows coupling for servo drives, e.g. in testing equipment, automation techniques, packing machines
· Torque range: 40 - 1500Nm

Part Number

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Data to be displayed: 30; 45; 60

Part Number
KB4K/40-46-[10-25.4/0.1]-[10-25.4/0.1]
KB4K/40-46-[10-25.4/0.1]-N[10-25.4/0.1]
KB4K/40-46-N[10-25.4/0.1]-[10-25.4/0.1]
KB4K/40-46-N[10-25.4/0.1]-N[10-25.4/0.1]
KB4K/80-55-[12-32/1]-[12-32/1]
KB4K/80-55-[12-32/1]-N[12-32/1]
KB4K/80-55-N[12-32/1]-[12-32/1]
KB4K/80-55-N[12-32/1]-N[12-32/1]
KB4K/1000-89-[42-60/1]-[42-60/1]
KB4K/1000-89-[42-60/1]-N[42-60/1]
KB4K/1000-89-N[42-60/1]-[42-60/1]
KB4K/1000-89-N[42-60/1]-N[42-60/1]
KB4K/1500-96-[50-70/1]-[50-70/1]
KB4K/1500-96-[50-70/1]-N[50-70/1]
KB4K/1500-96-N[50-70/1]-[50-70/1]
KB4K/1500-96-N[50-70/1]-N[50-70/1]
KB4K/200-60-[16-35/1]-[16-35/1]
KB4K/200-60-[16-35/1]-N[16-35/1]
KB4K/200-60-N[16-35/1]-[16-35/1]
KB4K/200-60-N[16-35/1]-N[16-35/1]
KB4K/400-75-[32-44/1]-[32-44/1]
KB4K/400-75-[32-44/1]-N[32-44/1]
KB4K/400-75-N[32-44/1]-[32-44/1]
KB4K/400-75-N[32-44/1]-N[32-44/1]
KB4K/650-78-[37-47/1]-[37-47/1]
KB4K/650-78-[37-47/1]-N[37-47/1]
KB4K/650-78-N[37-47/1]-[37-47/1]
KB4K/650-78-N[37-47/1]-N[37-47/1]

Related to	Minimum order quantity	Standard Shipping Days ?	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Dia. A (mm)	Length L (mm)	Size	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 ～ 25.4	10 ～ 25.4	45	46	40	10-25.4	10-25.4	25.4	25.4	No	No
Data sheet	1	12 Days	10 ～ 25.4	10 ～ 25.4	45	46	40	10-25.4	10-25.4	25.4	25.4	No	Yes
Data sheet	1	12 Days	10 ～ 25.4	10 ～ 25.4	45	46	40	10-25.4	10-25.4	25.4	25.4	Yes	No
Data sheet	1	12 Days	10 ～ 25.4	10 ～ 25.4	45	46	40	10-25.4	10-25.4	25.4	25.4	Yes	Yes
Data sheet	1	12 Days	12 ～ 32	12 ～ 32	56	55	80	12-32	12-32	30	30	No	No
Data sheet	1	12 Days	12 ～ 32	12 ～ 32	56	55	80	12-32	12-32	30	30	No	Yes
Data sheet	1	12 Days	12 ～ 32	12 ～ 32	56	55	80	12-32	12-32	30	30	Yes	No
Data sheet	1	12 Days	12 ～ 32	12 ～ 32	56	55	80	12-32	12-32	30	30	Yes	Yes
Data sheet	1	12 Days	42 ～ 60	42 ～ 60	110	89	1000	42-60	42-60	60	60	No	No
Data sheet	1	12 Days	42 ～ 60	42 ～ 60	110	89	1000	42-60	42-60	60	60	No	Yes
Data sheet	1	12 Days	42 ～ 60	42 ～ 60	110	89	1000	42-60	42-60	60	60	Yes	No
Data sheet	1	12 Days	42 ～ 60	42 ～ 60	110	89	1000	42-60	42-60	60	60	Yes	Yes
Data sheet	1	12 Days	50 ～ 70	50 ～ 70	122	96	1500	50-70	50-70	70	70	No	No
Data sheet	1	12 Days	50 ～ 70	50 ～ 70	122	96	1500	50-70	50-70	70	70	No	Yes
Data sheet	1	12 Days	50 ～ 70	50 ～ 70	122	96	1500	50-70	50-70	70	70	Yes	No
Data sheet	1	12 Days	50 ～ 70	50 ～ 70	122	96	1500	50-70	50-70	70	70	Yes	Yes
Data sheet	1	12 Days	16 ～ 35	16 ～ 35	66	60	200	16-35	16-35	35	35	No	No
Data sheet	1	12 Days	16 ～ 35	16 ～ 35	66	60	200	16-35	16-35	35	35	No	Yes
Data sheet	1	12 Days	16 ～ 35	16 ～ 35	66	60	200	16-35	16-35	35	35	Yes	No
Data sheet	1	12 Days	16 ～ 35	16 ～ 35	66	60	200	16-35	16-35	35	35	Yes	Yes
Data sheet	1	12 Days	32 ～ 44	32 ～ 44	82	75	400	32-44	32-44	44	44	No	No
Data sheet	1	12 Days	32 ～ 44	32 ～ 44	82	75	400	32-44	32-44	44	44	No	Yes
Data sheet	1	12 Days	32 ～ 44	32 ～ 44	82	75	400	32-44	32-44	44	44	Yes	No
Data sheet	1	12 Days	32 ～ 44	32 ～ 44	82	75	400	32-44	32-44	44	44	Yes	Yes
Data sheet	1	12 Days	37 ～ 47	37 ～ 47	90	78	650	37-47	37-47	47	47	No	No
Data sheet	1	12 Days	37 ～ 47	37 ～ 47	90	78	650	37-47	37-47	47	47	No	Yes
Data sheet	1	12 Days	37 ～ 47	37 ～ 47	90	78	650	37-47	37-47	47	47	Yes	No
Data sheet	1	12 Days	37 ～ 47	37 ～ 47	90	78	650	37-47	37-47	47	47	Yes	Yes

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Basic Attributes

Shaft Bore Dia. (machined) D1(mm)
[10-25.4/0.1mm Unit(s)][12-70/1mm Unit(s)]
Clear
Shaft Bore Dia. (machined) D2(mm)
[10-25.4/0.1mm Unit(s)][12-70/1mm Unit(s)]
Clear
Outer Dia. A(mm)
45

56

66

82

90

110

122
Clear
Length L(mm)
46

55

60

75

78

89

96
Clear
Size
40

80

200

400

650

1000

1500
Clear
Applicable Range (Bore 1)
10-25.4

12-32

16-35

32-44

37-47

42-60

50-70
Clear
Applicable Range (Bore 2)
10-25.4

12-32

16-35

32-44

37-47

42-60

50-70
Clear
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
Clear
Keyway D1
- No
- Yes
Clear
Keyway D2
- No
- Yes
Clear
Type
Clear
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