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Flexible Shaft Couplings（Feature：Small）

Type

With Slit
Disc Type
Oldham Type
Jaw Type
Bellows Type
Others

10 items

: 30; 45; 60

Flexible Couplings - Servo Flex.

Miki Pulley

Uses lightweight, high-strength aluminum alloy for clamp hub. Extremely high torsional rigidity supporting high responsiveness.

Volume Discount

CAD ：

2D / 3D
Days to Ship: Same day or more

Show Stock Products
Flexible Couplings - Oldham Type, CCZ series.

Nihon Miniature Coupling

Oldham type flexible couplings, CCZ series. Strong and compact design that can be used for high precision equipment. The moment of inertia is low, and the vibration stiffness is high. The electrical resistance is excellent. This model has clamping clamping. The body material is aluminum alloy.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Flexible Couplings - Slotted type, XSTS/XWSS series.

NBK

Flexible grooved type couplings, XSTS/XWSS series. They can be used in environments where chemical resistance is required, such as: semiconductor production.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 16 Days or more
Flexible Couplings - Oldham Type, SCZ series.

Nihon Miniature Coupling

Oldham type flexible couplings, SCZ series. Strong and compact design that can be used for high precision equipment. The moment of inertia is low, and the vibration stiffness is high. The electrical resistance is excellent.

Volume Discount

CAD ：

2D
Days to Ship: 10 Days or more
Flexible Couplings - Oldham Type, MCZ series.

Nihon Miniature Coupling

Oldham type flexible couplings, MCZ series. Strong and compact design that can be used for high precision equipment. The moment of inertia is low, and the vibration stiffness is high. The electrical resistance is excellent. This model has two kinds of clamping methods, clamping by clamp or clamping by clamping. The body material is aluminum alloy.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Flexible Couplings - Disc type, for servomotor, high torque, type of fastening selectable, outer diameter of 40 mm.

MISUMI

Compact and Ridgid. Selectable Clamping Keyless or Key Groove.

METRIC

inCAD Components

CAD ：

2D / 3D
Days to Ship: 8 Days or more
Flexible Couplings - Oldham type, super compact model.

MISUMI

Full Length Shortened Product with Larger Torque than Conventional Products

METRIC

inCAD Components

CAD ：

2D / 3D
Days to Ship: 8 Days or more
Flexible Couplings - Bellows type, NB series.

Nihon Miniature Coupling

Flexible couplings, bellows type, NB series, clamp fixing system. The material is Bronze and Brass. Ideal for use to connect encoders, medical equipment and servo motors.

Volume Discount

CAD ：

2D
Days to Ship: 9 Days or more
Flexible Couplings - Bellows type, NA series (collet type).

Nihon Miniature Coupling

Flexible couplings, bellows type, NB series, clamp fixing system. The material is Bronze and Brass. Ideal for use in connecting encoders, medical equipment and servo motors. The performance is the same as the NA series without collet, but this design allows easier assembly and disassembly without damaging the shaft.

Volume Discount

CAD ：

2D
Days to Ship: 10 Days or more
Flexible Couplings - MF series.

Nihon Miniature Coupling

Flexible couplings, MF series. They have a rubber separator and the coupling body material is cast zinc. The fastening method is by means of a clamp at each end. Ideal for conveying components with constant velocity.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more

Days to Ship:	Same day or more

Days to Ship:	8 Days or more

Days to Ship:	16 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	9 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more


Brand
Product Series
CAD
Days to Ship
Specifications
Type
Allowable Misalignment
Application
Allowable Torque Range(N•m)
For Shaft Size D1(mm)
For Shaft Size D2(mm)
Outer Dia. A(Ø)
Overall Length W(mm)
Max. Rotational Speed Range(r/min)
Feature
Body Material
Category
Allowable Torque(N•m)
Max. Rotational Speed(r/min)
Allowable Angular Misalignment(deg)
Allowable Lateral Misalignment Range(mm)
Allowable Lateral Misalignment(mm)
Buffer Part Material
Disc Part Material
Bellows Part Material
For Shaft Size D1(inch)
For Shaft Size D2(inch)


Brand	Miki Pulley	Nihon Miniature Coupling	NBK	Nihon Miniature Coupling	Nihon Miniature Coupling	MISUMI	MISUMI	Nihon Miniature Coupling	Nihon Miniature Coupling	Nihon Miniature Coupling
Product Series	Flexible Couplings - Servo Flex.	Flexible Couplings - Oldham Type, CCZ series.	Flexible Couplings - Slotted type, XSTS/XWSS series.	Flexible Couplings - Oldham Type, SCZ series.	Flexible Couplings - Oldham Type, MCZ series.	Flexible Couplings - Disc type, for servomotor, high torque, type of fastening selectable, outer diameter of 40 mm.	Flexible Couplings - Oldham type, super compact model.	Flexible Couplings - Bellows type, NB series.	Flexible Couplings - Bellows type, NA series (collet type).	Flexible Couplings - MF series.
CAD	2D / 3D	2D	2D / 3D	2D	2D	2D / 3D	2D / 3D	2D	2D	2D
Days to Ship	Same day or more Show Stock Products	8 Days or more	16 Days or more	10 Days or more	8 Days or more	8 Days or more	8 Days or more	9 Days or more	10 Days or more	8 Days or more
Specifications						METRIC inCAD Components	METRIC inCAD Components
Type	Disc Type	Oldham Type	With Slit	Oldham Type	Oldham Type	Disc Type	Oldham Type	Bellows Type	Bellows Type	Others
Allowable Misalignment	Angular / Eccentricity / Axial	Angular / Eccentricity	Angular / Axial	Angular / Eccentricity	Angular / Eccentricity	Angular / Eccentricity / Axial	Angular / Eccentricity	Angular / Eccentricity / Axial	Angular / Eccentricity / Axial	Angular / Eccentricity
Application	Servo Motor / Stepping Motor / Encoder	Standard	Stepping Motor	Standard	Standard	Servo Motor	Standard	Standard	Standard	Standard
Allowable Torque Range(N•m)	0.05~1.00 ～ 100~less than 500	1.01~3.00 ～ 100~less than 500	1.01~3.00 ～ 3.01~5.00	3.01~5.00 ～ 50.01~100.00	1.01~3.00 ～ 100~less than 500	5.01~10.00	0.05~1.00 ～ 1.01~3.00	0.05~1.00	0.05~1.00	0.05~1.00 ～ 3.01~5.00
For Shaft Size D1(mm)	3 ～ 45	1 ～ 40	5 ～ 8	4 ～ 28	3 ～ 25	10 ～ 16	3 ～ 10	2 ～ 10	5 ～ 8	3 ～ 18
For Shaft Size D2(mm)	3 ～ 45	3 ～ 40	6 ～ 14	4 ～ 28	3 ～ 35	10 ～ 16	3 ～ 10	2 ～ 10	5 ～ 8	3 ～ 18
Outer Dia. A(Ø)	12 ～ 104	16 ～ 80	25 ～ 32	20 ～ 60	18 ～ 70	40	12 ～ 25	14 ～ 19	18 ～ 20	20 ～ 40
Overall Length W(mm)	15.7 ～ 101.6	20 ～ 61	25 ～ 32	33 ～ 65	25 ～ 53	39.4 ～ 53	13.5 ～ 22.5	22 ～ 28	25	24 ～ 40
Max. Rotational Speed Range(r/min)	4001~10000	10001~78000	10001~78000	4001~10000	4001~10000 ～ 10001~78000	4001~10000	4001~10000 ～ 10001~78000	4001~10000	4001~10000	2001~4000
Feature	High Accuracy ～ Small	High Torque ～ Small	Clean Environment ～ Vacuum Environment	High Torque ～ Small	High Torque ～ Small	High Torque ～ Small	Low Moment of Inertia ～ Small	High Torsional Rigidity ～ Small	High Torsional Rigidity ～ Small	Small ～ Vibration Insulation
Body Material	Aluminum	Aluminum	-	Stainless Steel	Aluminum	Aluminum ～ Steel	Aluminum	Alloy	Stainless Steel	Alloy
Category	Coupling Main Body	Coupling Main Body	Coupling Main Body	Coupling Main Body	Coupling Main Body	Coupling Main Body	Coupling Main Body	Coupling Main Body	Coupling Main Body	Coupling Main Body
Allowable Torque(N•m)	0.25 ～ 250	1.961 ～ 215.746	2 ～ 3.5	3.432 ～ 98.067	2.452 ～ 176.52	6 ～ 8	0.3 ～ 1.6	0.147 ～ 0.343	0.7845	0.392 ～ 3.923
Max. Rotational Speed(r/min)	10000	15000 ～ 25000	19000 ～ 25000	5000 ～ 6000	10000 ～ 25000	10000	5000 ～ 12000	5000	10000	3000
Allowable Angular Misalignment(deg)	0.5 ～ 2	1	1	1	1	1	1.5	1.5	2	1
Allowable Lateral Misalignment Range(mm)	0.02~0.2 ～ 0.41~1.0	1.1~3.0	-	1.1~3.0	1.1~3.0	0.02~0.2	0.21~0.40 ～ 1.1~3.0	0.02~0.2	0.02~0.2	0.02~0.2 ～ 0.21~0.40
Allowable Lateral Misalignment(mm)	0.02 ～ 0.55	1.5 ～ 2.5	-	1.5 ～ 2	1.5 ～ 2.5	0.2	0.3 ～ 1.2	0.1 ～ 0.2	0.1	0.15 ～ 0.35
Buffer Part Material	-	Others	-	Others	Others	-	Polyacetal	-	-	Polyurethane
Disc Part Material	Stainless Steel	-	-	-	-	Stainless Steel	-	-	-	-
Bellows Part Material	-	-	-	-	-	-	-	Phosphor Bronze	Stainless Steel	-
For Shaft Size D1(inch)	-	-	-	-	-	-	-	-	-	-
For Shaft Size D2(inch)	-	-	-	-	-	-	-	-	-	-

Configure

Stock

- Show Stock Products
Clear

Specification/Dimensions

Allowable Misalignment
- None
- Angular
- Eccentricity
- Axial
Larger Image

Clear

Application
- Standard
- Servo Motor
- Stepping Motor
- Encoder
Clear

Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

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

Metric / Inch
- metric
Clear

For Shaft Size D1(mm)
0-Pilot Bore

1

1.5

2

2.5

3

3.17

3.2

4

4.5

4.76

5

6

6.35

7

7.93

8

9

9.5

9.52

9.525

9.53

10

11

12

12.7

13

14

15

15.875

16

17

18

19

20

20.5

21

22

23

24

25

25.4

26

27

28

29

30

30.5

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62
Drawing

Clear

For Shaft Size D2(mm)
0-Pilot Bore

1

1.5

2

2.4

2.5

3

3.17

3.2

4

4.5

4.76

5

6

6.35

7

7.93

8

9

9.5

9.52

9.525

9.53

10

11

12

12.7

13

14

15

15.875

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62
Drawing

Clear

Outer Dia. A(Ø)
6

6.4

8

9

9.5

10

12

12.7

13

13.5

14

14.5

15

16

16.1

16.6

16.8

17

18

19

19.1

20

21

22

24

25

25.4

26

27

27.3

28

29

30

31.7

32

33.3

34

34.4

35

36

38

39

40

41.3

42

44

44.5

45

46

48

49

50

53.6

54

54.5

55

56

57

58

60

63

64

65

66

66.5

67

68

70

75

79

80

81

82

85

87

88

90

94

95

100

102

104

105

110

118

123

125

126

144

155
Drawing

Clear

Overall Length W(mm)
5.1

7.3

8.4

9

9.4

9.6

10

10.2

10.5

11.2

11.8

12.4

12.7

13.5

14

14.2

14.6

14.9

15

15.5

15.7

15.8

15.9

16

16.2

16.5

16.6

16.7

17.4

17.8

18

18.1

18.4

18.5

18.8

19

19.35

19.4

19.8

20

20.2

20.4

20.5

21

21.2

21.4

21.5

21.6

22

22.1

22.5

23

23.1

23.15

23.2

23.3

23.4

23.5

23.6

24

24.4

24.5

25

25.5

25.6

25.7

25.9

26

26.2

26.5

26.6

27

27.2

27.3

27.4

28

28.2

28.4

29

29.8

30

30.2

30.4

31

31.2

31.6

32

32.2

32.3

32.5

32.7

32.8

33

33.3

33.8

34

34.4

35

36

36.5

36.8

37.2

37.4

37.8

38

38.2

38.6

39

39.2

39.4

39.5

40

40.5

41

41.8

42

43.2

43.4

43.6

44

44.7

44.8

45

45.2

46

46.6

47

47.6

48

48.4

49.2

49.4

50

50.2

50.6

50.8

51

51.2

52

53

53.4

53.6

54

54.1

54.4

54.5

54.6

55

55.5

56

56.5

56.6

57

58

58.2

58.6

59

59.7

59.8

60

60.4

61

61.2

62

63.4

63.6

63.8

64.8

65

65.6

66

66.6

67

67.5

68

68.3

68.6

68.7

68.8

69

69.6

69.8

70

70.5

70.6

71

71.2

72

73

73.3

74

74.4

74.8

75

75.6

77

77.6

77.8

78

78.8

79

79.5

79.8

80

80.8

81

82

83

83.6

84

84.7

85.5

85.6

86

88

89.3

89.6

90

90.8

91

92

93

93.6

94

95

95.6

96

97

97.2

98

98.6

99

99.6

100

101.6

102

104.4

105.8

106

107

107.6

109

110

112.8

113

114

115.6

119.6

120

120.8

123.6

125

126

127

129.6

130

137.6

140

143

144

150

150.6

154

154.6

160

170.6
Drawing

Clear

Max. Rotational Speed Range(r/min)
1001~2000

2001~4000

4001~10000

10001~78000

78001~
Clear

Feature
Clean Environment

Heat Resistant

High Accuracy

High Durability

High Torque

High Torsional Rigidity

Low Moment of Inertia

No Backlash

Small

Unfinished Shaft Bore

Vacuum Environment

Vibration Insulation
Clear

Body Material
Alloy

Aluminum

Resin

Stainless Steel

Steel
Clear

Category
- Coupling Main Body
- Maintenace Parts
Clear

Allowable Torque(N•m)
0.05

0.06

0.08

0.1

0.12

0.147

0.15

0.196

0.2

0.21

0.25

0.3

0.31

0.343

0.35

0.39

0.392

0.4

0.42

0.5

0.54

0.59

0.6

0.65

0.7

0.7845

0.8

0.84

0.9

0.99

1

1.1

1.19

1.2

1.275

1.3

1.39

1.4

1.5

1.6

1.7

1.79

1.8

1.961

1.99

2

2.1

2.19

2.2

2.3

2.4

2.452

2.5

2.59

2.6

2.79

2.8

2.99

3

3.2

3.3

3.4

3.432

3.5

3.6

3.79

3.8

3.923

3.99

4

4.2

4.4

4.5

4.6

4.7

4.8

4.89

4.9

5

5.4

5.5

5.6

6

6.3

6.4

6.6

6.8

6.865

7

7.4

7.49

7.5

8

8.4

8.99

9

9.6

9.8

9.807

9.99

10

10.99

11

11.2

12

12.5

12.6

13.1

13.5

14

15

15.4

16

16.99

17

17.652

17.99

18

20

22

23

24

25

26

27

28

29

29.42

30

31

32

34

35

36

37.5

38

39.227

40

41

42

45

46

48

49.033

50

51

52

54

56

60

61

67

68

70

71

72

75

79

80

85

89

90

92

95

96

98.067

100

105

108

110

114

120

121

130

132

140

150

151

160

170

176.52

180

190

194

198

200

215.746

220

226

250

260

265

280

300

310

320

325

352

380

400

433

450

500

525

530

567

580

650

800

810

900

945

1060

1120

1350
Please refer to manufacturer's tech data. The calculaton method like safety factor for allowable torque differs depending on the manufacturers.
Clear

Max. Rotational Speed(r/min)
10,000

900

2000

3000

3500

3800

4000

4400

4500

4800

5000

5100

5200

5500

5800

5900

6000

6100

6200

6500

6800

7000

7400

7600

7900

8000

8700

9000

9500

9800

10000

11000

11900

12000

12500

13000

14000

15000

15900

16000

17000

18000

18200

19000

20000

21000

21700

22000

23000

23800

24000

25000

26000

31000

32000

33000

34100

37000

39000

40000

42000

43000

44100

45000

52000

53000

57000

60000

63000

65000

67000

78000

100000
Clear

Allowable Angular Misalignment(deg)
0.056

0.08

0.5

0.56

0.6

0.7

0.8

1

1.2

1.4

1.5

2

2.5

3

3.5
Clear

Allowable Lateral Misalignment Range(mm)
Less than 0.02

0.02~0.2

0.21~0.40

0.41~1.0

1.1~3.0

3.1~5.0

5.1~100
Clear

Allowable Lateral Misalignment(mm)
0.004(inch)

0.005(inch)

0.006(inch)

0.008(inch)

0.01

0.012(inch)

0.016(inch)

0.02

0.03

0.05

0.06

0.07

0.08

0.09

0.1

0.11

0.12

0.13

0.14

0.15

0.18

0.2

0.22

0.23

0.24

0.25

0.26

0.27

0.28

0.3

0.31

0.32

0.33

0.34

0.35

0.38

0.4

0.45

0.47

0.5

0.52

0.55

0.58

0.6

0.7

0.8

0.9

1

1.1

1.2

1.3

1.4

1.5

1.6

2

2.4

2.5

3

3.5

3.8

4

4.5

5

6

7
Clear

Buffer Part Material
- Carbon Reinforced Resin
- Polyacetal
- Polyurethane
- Nylon
- Vespel
- PEEK
- Aluminum Bronze
- Others
- Fluororubber
Clear

Disc Part Material
- Stainless Steel
- Polyimide
- Carbon Fiber
Clear

Bellows Part Material
- Stainless Steel
- Phosphor Bronze
Clear

For Shaft Size D1(inch)
1

1 1/2

1 1/4

1 1/8

1/2

1 2/3

1/3

1 3/4

1 3/7

1 3/8

1/4

1/5

1 5/8

1 7/8

1/8

2

2 1/4

2 1/8

2 3/8

3/4

3/7

3/8

3/16

5/8

5/16

7/8

7/16
Clear

For Shaft Size D2(inch)
1

1 1/2

1 1/4

1 1/8

1/2

1 2/3

1/3

1 3/4

1 3/7

1 3/8

1/4

1/5

1 5/8

1 7/8

1/8

2

2 1/4

2 1/8

2 3/8

3/4

3/7

3/8

3/16

5/8

5/16

7/8

7/16
Clear

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- MISUMI (2)
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- Sakai Manufacturing (0)
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CAD

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Days to Ship

All

Same day

5 Days or Less

6 Days or Less

8 Days or Less

9 Days or Less

10 Days or Less

11 Days or Less

12 Days or Less

13 Days or Less

14 Days or Less
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