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Flexible Shaft Couplings（Allowable Torque Range：0.05~1.00 Page2）

Type

With Slit
Disc Type
Oldham Type
Jaw Type
Bellows Type
Others

54 items

: 30; 45; 60

Flexible Couplings - Precision, leaf spring type, LAS-C series.

Sakai Manufacturing

Flexible precision couplings with leaf spring. High precision and high flexibility rotational transmission is possible due to its double clamping and backlash-free structure. Ideal for servo and stepper motors.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 8 Days or more
Flexible Couplings - Disc, (Inches).

MISUMI

Flexible disc couplings in inches. They feature high torsional stiffness. These couplings are frequently used for XY tables and robotic mechanisms.

METRIC

INCH

CAD ：

2D / 3D
Days to Ship: 8 Days or more
Flexible Couplings - Oldham Type, (Inch and Metric).

MISUMI

Oldham type flexible couplings, with a choice of metric and inch sizes. The coupling body material is aluminum. Spacer material is polyurethane.

METRIC

INCH

CAD ：

2D / 3D
Days to Ship: 8 Days or more
Flexible Couplings - Oldham Type, selectable clamping type, MOL series.

NBK

Oldham type flexible couplings, with clamping or clamping type of fastening. This model allows a high level of misalignment. Compact design.

Volume Discount

CAD ：

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

Show Stock Products
Flexible Couplings - Oldham type, with PEEK resin material separator.

NBK

Oldham type flexible couplings with PEEK resin material separator. Ideal for use in clean rooms. Excellent heat resistance and chemical resistance. Allows misalignment and deflection. Applications: for semiconductor manufacturing.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 10 Days or more
Flexible Couplings - Oldham (Vespel) type, clamp-on type.

NBK

Oldham type flexible couplings (Vespel), clamped. Ideal for clean rooms. Excellent electrical, chemical and temperature resistance.

Volume Discount
Days to Ship: 11 Days or more
Flexible Couplings - Slotted type, MSXP-C series.

NBK

Flexible grooved type couplings, series MSXP-C. They have excellent electrical and chemical resistance. Ideal for use in clean rooms. The body material is made of PEEK resin.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 9 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
Flexible Couplings - Bellows type, miniature, zero backlash, MK2 series, (Inches).

R+W

Features
Low restoring forces on coupled shafts
Easy installation
Light weight and low moment of inertia

Design
Two clamping hubs concentrically mounted to flexible bellows.

Material
Bellows: high grade stainless steel
Hubs: aluminum

Advantage
Precise and well-balanced transmission with zero backlash

Pilot bore parts can be found on the metric page here.

CAD ：

3D

Days to Ship: 5 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:	Same day or more

Days to Ship:	10 Days or more

Days to Ship:	11 Days or more

Days to Ship:	9 Days or more

Days to Ship:	8 Days or more

Days to Ship:	5 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	Sakai Manufacturing	MISUMI	MISUMI	NBK	NBK	NBK	NBK	Nihon Miniature Coupling	R+W
Product Series	Flexible Couplings - Precision, leaf spring type, LAS-C series.	Flexible Couplings - Disc, (Inches).	Flexible Couplings - Oldham Type, (Inch and Metric).	Flexible Couplings - Oldham Type, selectable clamping type, MOL series.	Flexible Couplings - Oldham type, with PEEK resin material separator.	Flexible Couplings - Oldham (Vespel) type, clamp-on type.	Flexible Couplings - Slotted type, MSXP-C series.	Flexible Couplings - MF series.	Flexible Couplings - Bellows type, miniature, zero backlash, MK2 series, (Inches).
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D		2D / 3D	2D	3D
Days to Ship	8 Days or more	8 Days or more	8 Days or more	Same day or more Show Stock Products	10 Days or more	11 Days or more	9 Days or more	8 Days or more	5 Days or more
Specifications		METRIC INCH	METRIC INCH
Type	Disc Type	Disc Type	Jaw Type	Oldham Type	Oldham Type	Oldham Type	With Slit	Others	Bellows Type
Allowable Misalignment	Angular / Eccentricity / Axial	Angular / Eccentricity / Axial	Angular / Eccentricity / Axial	Angular / Eccentricity	Angular / Eccentricity	Angular / Eccentricity / Axial	Angular / Eccentricity / Axial	Angular / Eccentricity	-
Application	Standard / Servo Motor / Stepping Motor / Encoder	Standard	Standard	Standard / Stepping Motor	Standard / Stepping Motor	Standard / Stepping Motor	Standard	Standard	-
Allowable Torque Range(N•m)	0.05~1.00	0.05~1.00	0.05~1.00	0.05~1.00	0.05~1.00	0.05~1.00	0.05~1.00	0.05~1.00	0.05~1.00
For Shaft Size D1(mm)	3 ～ 8	-	-	3 ～ 6.35	5 ～ 7	5 ～ 7	6 ～ 12	3 ～ 10	-
For Shaft Size D2(mm)	3 ～ 8	-	-	3 ～ 6.35	5 ～ 8	7 ～ 8	8 ～ 12	3 ～ 10	-
Outer Dia. A(Ø)	12 ～ 20	16 ～ 20	14	16	-	19	25 ～ 30	20	15
Overall Length W(mm)	12.4 ～ 18.8	-	-	18 ～ 29	22.1	22.1	25 ～ 30	24	25 ～ 33
Max. Rotational Speed Range(r/min)	4001~10000	4001~10000	10001~78000	10001~78000	10001~78000	1001~2000	10001~78000	2001~4000	4001~10000
Feature	High Torsional Rigidity ～ Low Moment of Inertia	-	-	-	Clean Environment ～ Vacuum Environment	Clean Environment ～ Vibration Insulation	Clean Environment ～ Vacuum Environment	Small ～ Vibration Insulation	Low Moment of Inertia ～ No Backlash
Body Material	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Stainless Steel	Resin	Alloy	Aluminum
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	-
Allowable Torque(N•m)	0.25 ～ 1.3	0.39 ～ 0.9	0.7	0.7	0.7	0.4	0.7 ～ 1	0.392	0.5 ～ 1
Max. Rotational Speed(r/min)	10000	6000 ～ 9000	11000	39000	31000	900	21000 ～ 25000	3000	10,000
Allowable Angular Misalignment(deg)	0.5 ～ 1	2 ～ 3.5	1	3	2	2	0.5	1	1 ～ 2
Allowable Lateral Misalignment Range(mm)	0.02~0.2	0.02~0.2	0.02~0.2	0.41~1.0	1.1~3.0	1.1~3.0	0.02~0.2	0.02~0.2	0.02~0.2 ～ 0.21~0.40
Allowable Lateral Misalignment(mm)	0.01 ～ 0.02	0.006(inch) ～ 0.012(inch)	0.006(inch)	1	1.3	1.3	0.05	0.15	0.15 ～ 0.25
Buffer Part Material	-	-	-	Polyacetal	PEEK	Vespel	-	Polyurethane	-
Disc Part Material	Stainless Steel	-	-	-	-	-	-	-	-
Bellows Part Material	-	-	-	-	-	-	-	-	Stainless Steel
For Shaft Size D1(inch)	-	-	-	-	-	-	-	-	1/4 ～ 3/16
For Shaft Size D2(inch)	-	-	-	-	-	-	-	-	1/4 ～ 3/16

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
- inch
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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Days to Ship

All

Same day

5 Days or Less

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11 Days or Less

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14 Days or Less
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