Rigid Type（Application：Standard）

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Couplings / Rigid / Setscrew

MISUMI

[Features] It has the same precision in centre height with a chuck, right and left through hole with tool.

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Min. Shipping Days ：	7 Days

Promotional pricing ends 30/11/2024

Couplings / Rigid / Clamping

MISUMI

[Features] It has the same precision in centre height with a clamping device, right and left through hole with tool.

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N Couplings (Keyless)

MISUMI

Volume Discount

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Starting from^∗ ：	20.16 €
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Rigid Coupling split hub type KBST-G

KBK

· Rigid shaft coupling for a stiff connection of two aligned shafts.
· High torques at a compact design
· Can be used for connecting multiple shafts in a line - For shaft diameters from 5 - 50mm
· Easy, secure and fast assembly with radial clamping screws
· Split hub design allows assembly and disassembly of the coupling without moving the shafts
· Keyways possible on request
· Available with a unique standard bore and also with different bore diameters
· Torque range from 30 - 2250Nm

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Min. Shipping Days ：	11 Days

Rigid Coupling split hub type, stainless steel KBST-G-VA

KBK

· Rigid shaft coupling for a stiff connection of two aligned shafts.
· High torques at a compact design
· Can be used for connecting multiple shafts in a line
· For shaft diameters from 5 - 50mm
· Easy, secure and fast assembly with radial clamping screws
· Split hub design allows assembly and disassembly of the coupling without moving the shafts
· Keyways possible on request
· Available with a unique standard bore and also with different bore diameters
· Torque range from 25 - 1875Nm
· Stainless steel execution

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Min. Shipping Days ：	12 Days

Couplings / Rigid / Long / Clamping

MISUMI

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Min. Shipping Days ：	7 Days

Rigid Coupling Clamp Hub Type KBST

KBK

· Rigid shaft coupling for a stiff connection of two aligned shafts.
· High torques at a compact design
· Can be used for connecting multiple shafts in a line
· For shaft diameters from 6 - 50mm
· Easy, secure and fast assembly with radial clamping screws
· Keyways possible on request
· Available with a unique standard bore and also with different bore diameters
· Torque range from 30 - 2250Nm

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Min. Shipping Days ：	12 Days

Rigid Coupling Clamp Hub Type, stainless steel KBST-VA

KBK

· Rigid shaft coupling for a stiff connection of two aligned shafts.
· High torques at a compact design
· Can be used for connecting multiple shafts in a line
· For shaft diameters from 6 - 50mm
· Easy, secure and fast assembly with radial clamping screws
· Keyways possible on request
· Available with a unique standard bore and also with different bore diameters
· Torque range from 25 - 1875Nm
· Stainless steel execution

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Min. Shipping Days ：	12 Days

Promotional pricing ends 30/11/2024

Rigid Coupling N

ISEL

A low cost product with low moment of inertia and short tightening time.

[Features]
· 50 standard sizes in 3 models with shaft diameters of between ø6 and ø35.
· Low moment of inertia.
· Short tightening time.
· Reduced cost

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Starting from^∗ ：	23.89 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Couplings / Rigid / Split Clamping

MISUMI

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Min. Shipping Days ：	7 Days

Rigid Coupling MJ

ISEL

Key features include flexural rigidity and a high transmission allowable torque and torsion.

[Features]
· 21 standard sizes with shaft diameters of between ø25 and ø150.
· High transmission allowable torque.
· High torsion, flexural rigidity.
· Large thrust load capacity

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Starting from^∗ ：	84.29 €
Min. Shipping Days ：	64 Days

*Unit price with basic configuration

Promotional pricing ends 30/11/2024

Rigid Coupling Series ARC Type Aluminum Alloy

NIHON MINIATURE

An aluminum rigid coupling that can fixate the shaft using a clamp system.

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Starting from^∗ ：	16.36 €
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Min. Shipping Days ：	Same day

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Promotional pricing ends 30/11/2024

Rigid Coupling Series SR Type Stainless Steel

NIHON MINIATURE

Stainless steel rigid coupling Fixate using a set screw.

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Starting from^∗ ：	13.08 €
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Min. Shipping Days ：	Same day

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Promotional pricing ends 30/11/2024

Rigid Coupling RAS / RSS / RAC / RSC

ADVANCED

· Concentric high accuracy through finishing bit with left-right holes and just the one chuck
· RAS/RAC - Aluminum Alloy, Anodized Finish
· RSS/RSC-SUS303 with strong coupling and excellent corrosion resistance

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Starting from^∗ ：	9.97 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing ends 30/11/2024

Rigid Coupling Series AR Type Aluminum Alloy

NIHON MINIATURE

Aluminum rigid shape coupling. Fixate using a set screw.

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Starting from^∗ ：	7.61 €
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Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing ends 30/11/2024

Rigid Coupling Series SRC Type Stainless Steel

NIHON MINIATURE

A stainless steel rigid coupling that can fixate shafts using a clamp system.

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Starting from^∗ ：	48.60 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration


Brand
Product Series
CAD
Starting from^∗
Min. Shipping Days
Specifications
Application
Allowable Torque Range(N•m)
Shaft Bore Dia. (machined) D1(Ø)
Shaft Bore Dia. (machined) D2(Ø)
Outer Dia. A(Ø)
Overall Length W(mm)
Max. Rotational Speed Range(r/min)
Feature
Body Material
Allowable Torque(Nm)
Max. Rotational Speed(r/min)
Allowable Lateral Misalignment(mm)
Allowable Angular Misalignment(deg)
Buffer Part Material

	Select to compare	Select to compare Promotional pricing ends 30/11/2024	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare Promotional pricing ends 30/11/2024	Select to compare	Select to compare	Select to compare Promotional pricing ends 30/11/2024	Select to compare Promotional pricing ends 30/11/2024	Select to compare Promotional pricing ends 30/11/2024	Select to compare Promotional pricing ends 30/11/2024	Select to compare Promotional pricing ends 30/11/2024
Brand	MISUMI	MISUMI	MISUMI	KBK	KBK	MISUMI	KBK	KBK	ISEL	MISUMI	ISEL	NIHON MINIATURE	NIHON MINIATURE	ADVANCED	NIHON MINIATURE	NIHON MINIATURE
Product Series	Couplings / Rigid / Setscrew	Couplings / Rigid / Clamping	N Couplings (Keyless)	Rigid Coupling split hub type KBST-G	Rigid Coupling split hub type, stainless steel KBST-G-VA	Couplings / Rigid / Long / Clamping	Rigid Coupling Clamp Hub Type KBST	Rigid Coupling Clamp Hub Type, stainless steel KBST-VA	Rigid Coupling N	Couplings / Rigid / Split Clamping	Rigid Coupling MJ	Rigid Coupling Series ARC Type Aluminum Alloy	Rigid Coupling Series SR Type Stainless Steel	Rigid Coupling RAS / RSS / RAC / RSC	Rigid Coupling Series AR Type Aluminum Alloy	Rigid Coupling Series SRC Type Stainless Steel
CAD	2D / 3D	2D / 3D	2D / 3D			2D / 3D			2D / 3D	2D / 3D	2D / 3D	2D	2D		2D	2D
Starting from^∗	-	Special price Promotional pricing ends 30/11/2024 Volume Discount	20.16 € *Unit price with basic configuration Volume Discount	-	-	-	-	-	23.89 € Special price *Unit price with basic configuration Promotional pricing ends 30/11/2024 Volume Discount	-	84.29 € *Unit price with basic configuration	16.36 € Special price *Unit price with basic configuration Promotional pricing ends 30/11/2024 Volume Discount	13.08 € Special price *Unit price with basic configuration Promotional pricing ends 30/11/2024	9.97 € Special price *Unit price with basic configuration Promotional pricing ends 30/11/2024 Volume Discount	7.61 € Special price *Unit price with basic configuration Promotional pricing ends 30/11/2024 Volume Discount	48.60 € Special price *Unit price with basic configuration Promotional pricing ends 30/11/2024 Volume Discount
Min. Shipping Days	7 Days	Same day	Same day	11 Days	12 Days	7 Days	12 Days	12 Days	Same day	7 Days	64 Days	Same day	Same day	Same day	Same day	Same day
Specifications		Stock	Order quantities extended (D-JIT)
Application	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard
Allowable Torque Range(N•m)	0.05 to 1.00 ～ 3.01 to 5.00	0.05 to 1.00 ～ 5.01 to 10.00	5.01 to 10.00 ～ 50.01 to 100.00	-	-	0.05 to 1.00 ～ 1.01 to 3.00	-	-	5.01 to 10.00 ～ 100 to Less Than 500	0.05 to 1.00 ～ 1.01 to 3.00	100 to Less Than 500 ～ 1000 to Less Than 5000	0.05 to 1.00 ～ 5.01 to 10.00	0.05 to 1.00 ～ 1.01 to 3.00	0.05 to 1.00 ～ 20.01 to 50.00	0.05 to 1.00 ～ 5.01 to 10.00	5.01 to 10.00
Shaft Bore Dia. (machined) D1(Ø)	3 ～ 20	5 ～ 24	6 ～ 35	-	-	5 ～ 14	-	-	6 ～ 35	5 ～ 14	25 ～ 60	6 ～ 14	5 ～ 10	3 ～ 28	3 ～ 12	14
Shaft Bore Dia. (machined) D2(Ø)	3 ～ 20	5 ～ 24	-	-	-	5 ～ 14	-	-	6 ～ 35	5 ～ 14	25 ～ 60	6 ～ 14	5 ～ 10	3 ～ 28	3 ～ 12	14
Outer Dia. A(Ø)	16 ～ 40	16 ～ 50	13 ～ 51	18 ～ 85	18 ～ 85	16 ～ 32	18 ～ 85	18 ～ 85	13 ～ 51	16 ～ 32	56 ～ 108	16 ～ 35	16 ～ 25	16 ～ 60	16 ～ 35	35
Overall Length W(mm)	24 ～ 44	16 ～ 55	21.5 ～ 71	30 ～ 124	30 ～ 124	22 ～ 40	30 ～ 124	30 ～ 124	-	16 ～ 32	-	16 ～ 35	16 ～ 25	16 ～ 66	16 ～ 35	35
Max. Rotational Speed Range(r/min)	10,001 to 78,000 ～ 2001 to 4,000	4,001 to 10,000 ～ 2001 to 4,000	-	-	-	10,001 to 78,000	-	-	-	10,001 to 78,000	-	4,001 to 10,000	4,001 to 10,000	4,001 to 10,000 ～ 2001 to 4,000	4,001 to 10,000	4,001 to 10,000
Feature	High Torsional Rigidity ～ No Backlash	High Torsional Rigidity ～ No Backlash	High Torque ～ No Backlash	High Accuracy ～ No Backlash	High Accuracy ～ No Backlash	High Torsional Rigidity ～ No Backlash	High Accuracy ～ No Backlash	High Accuracy ～ No Backlash	-	High Torsional Rigidity ～ No Backlash	-	High Torque ～ Small	High Torque ～ Small	High Accuracy ～ No Backlash	High Torque ～ Small	High Torque ～ Small
Body Material	Aluminum ～ Stainless Steel	Aluminum ～ Stainless Steel	Steel	Steel	Stainless Steel	Aluminum ～ Stainless Steel	Steel	Stainless Steel	Steel	Aluminum ～ Stainless Steel	Steel	Aluminum	Stainless Steel	Aluminum ～ Stainless Steel	Aluminum	Stainless Steel
Allowable Torque(Nm)	0.3 ～ 4	0.3 ～ 6	7.8 ～ 206	-	-	0.3 ～ 2	-	-	7.8 ～ 206	0.3 ～ 2	400 ～ 2370	0.5 ～ 5.5	0.5 ～ 1.8	0.3 ～ 40	0.5 ～ 5.5	5.5
Max. Rotational Speed(r/min)	4000 ～ 24000	4000 ～ 9500	-	-	-	19000 ～ 39000	-	-	-	19000 ～ 39000	-	5000	10000	4000 ～ 24000	10000	5000
Allowable Lateral Misalignment(mm)	-	-	-	0	0	-	0	0	-	-	-	-	-	-	-	-
Allowable Angular Misalignment(deg)	-	-	-	0	0	-	0	0	-	-	-	-	-	-	-	-
Buffer Part Material	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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Stock

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Application
- Standard
- Servo Motor
- Stepping Motor
- Encoder
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Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

3.01 to 5.00

5.01 to 10.00

10.01 to 20.00

20.01 to 50.00

50.01 to 100.00

100 to Less Than 500

1000 to Less Than 5000
Clear

Shaft Bore Dia. (machined) D1(Ø)
3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

35

40

60
Drawing

Clear

Shaft Bore Dia. (machined) D2(Ø)
3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

35

40

60
Drawing

Clear

Outer Dia. A(Ø)
13

15

16

18

18.5

19

20

21

24

24.6

25

26

28.5

29

30

32

32.5

34

35

38.5

39

40

42

43

45

50

51

53

56

60

63

65

67

77

82

85

108
Drawing

Clear

Overall Length W(mm)
16

20

21.5

21.9

22

22.5

23

24

25

25.5

26

27.4

30

31

32

35

36

39.5

40

41

43

44

45

47

48

50

51

52

53

54

55

57

65

66

71

75

83

95

108

124
Drawing

Clear

Max. Rotational Speed Range(r/min)
4,001 to 10,000

10,001 to 78,000

2001 to 4,000
Clear

Feature
Heat Resistant

High Accuracy

High Durability

High Torque

High Torsional Rigidity

Low Moment of Inertia

No Backlash

Small
Clear

Body Material
Aluminum

Stainless Steel

Steel

Steel, Aluminum
Clear

Allowable Torque(Nm)
0.3

0.5

0.6

0.7

1

1.2

1.4

1.8

2

2.3

2.5

2.8

3

4

4.5

4.7

5

5.5

6

7

7.8

8

8.8

9

9.8

10

11

11.8

15.7

19.6

20

25

35

37.3

40

41.2

49

54.9

60.8

68.6

75.5

88.2

103

123

157

177

206

400

470

1165

2370
Calculation of the allowable torque (or the Safety Factor, etc.) differs depending on the manufacturer. For details, see the technical data provided by the relevant manufacturer.
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Max. Rotational Speed(r/min)
4000

4800

5000

5500

6000

6100

7000

7600

8000

9000

9500

10000

12000

14000

15000

16000

18000

19000

20000

24000

25000

26000

31000

33000

39000
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