What are the different types of flexible Shaft Couplings?

There are several types of flexible Shaft Couplings, including beam, bellows, jaw, Oldham, disc, diaphragm, and gear couplings. Each type has unique features and benefits that make them suitable for different applications and environments. Flexible Shaft Couplings are used to connect two shafts and allow for misalignment while transmitting torque between them.

What factors should be considered when selecting a flexible coupling?

The factor for selecting a flexible coupling, there are several factors that should be considered, including the required torque capacity, misalignment capability, operating speed, and environmental factors such as temperature and humidity. Other considerations include the required degree of axial and radial stiffness, the space available for the coupling, and the type of equipment being connected. It is also important to consider the potential for wear and tear, maintenance requirements, and the cost of the coupling.

How is a flexible coupling installed and maintained?

Shaft Couplings are installed by aligning the shafts and tightening the screws or bolts. Maintenance involves regular inspections for signs of wear, damage, or misalignment. Lubrication is important to prevent excessive wear and reduce friction. Cleaning and tightening of bolts and screws are also necessary to ensure proper operation.

What is the difference between a flexible coupling and a rigid coupling?

A flexible coupling allows for some misalignment between two connected shafts while transmitting torque, while a rigid coupling does not allow for any misalignment. Flexible couplings are designed to absorb shock and vibration, which can help reduce wear and tear on connected equipment. Rigid couplings, on the other hand, are used in applications where precise alignment between shafts is critical, such as in high-speed rotating equipment or precision machinery.

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MIKI PULLEY Flexible Shaft Couplings（Body Material：Alloy）

MIKI PULLEY offers products Flexible Shaft Couplings specified by Body Material Alloy from Automation Components product category. There are a total of 1 items. Search and select detailed specifications of parts for your machine with free CAD downloads. MIKI PULLEY products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

Configure

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)
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

58

60

65

70

75

80

0635

09525
Drawing

Clear

Shaft Bore Dia. (machined) D2(Ø)
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

9.252

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

25.4

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

58

60

65

70

75

80
Drawing

Clear

Outer Dia. A(Ø)
6

6.4

8

9

9.5

10

12

12.7

13

13.5

14

14.5

15

15.5

15.8

16

16.1

16.5

16.6

16.8

17

17.5

18

19

19.1

19.5

20

21

22

22.2

23.8

24

24.5

25

25.4

25.5

26

26.2

26.6

27

27.3

28

28.6

29

30

31.7

31.8

32

33

33.3

34

34.4

35

36

38

38.1

39

39.5

40

41.0

41.3

42

42.5

43

44

44.5

45

46

47

48

49

50

50.8

53

53.6

54

54.5

55

56

57

58

60

63

64

65

66

67

68

69

69.9

70

73

75

79

79.5

80

81

82

83

85

87

88

90

93

94

94.5

95

99

100

102

104

104.5

105

112

117

118

120

125

126

138

140

143

144

150

152

155

160

161

168

170

178

185

190

194

200

210

214

225

246

262

276

308

346
Drawing

Clear

Overall Length W(mm)
5.1

7.3

8.4

9

9.4

9.6

10

10.2

10.5

11

11.2

11.4

11.8

11.9

12

12.35

12.4

12.7

13

13.5

14

14.2

14.4

14.5

14.6

14.7

14.9

15

15.5

15.6

15.7

15.8

15.9

16

16.2

16.5

16.6

16.7

17

17.4

17.5

17.6

17.8

18

18.1

18.4

18.5

18.7

18.8

19

19.1

19.2

19.35

19.4

19.6

19.7

19.8

20

20.2

20.4

20.5

21

21.2

21.3

21.4

21.5

21.6

22

22.1

22.2

22.5

22.9

23

23.05

23.1

23.15

23.2

23.3

23.4

23.5

23.6

24

24.1

24.2

24.4

24.5

24.9

25

25.4

25.45

25.5

25.6

25.7

25.9

26

26.2

26.5

26.6

27

27.2

27.3

27.4

27.5

28

28.2

28.3

28.4

28.5

28.6

28.8

29

29.5

29.8

30

30.2

30.4

30.5

31

31.2

31.4

31.5

31.6

31.7

31.8

32

32.2

32.3

32.5

32.6

32.7

32.8

33

33.3

33.5

33.8

34

34.1

34.3

34.4

34.5

35

35.6

36

36.1

36.5

36.8

37

37.2

37.4

37.5

37.8

38

38.1

38.2

38.5

38.6

39

39.2

39.4

39.5

39.7

40

40.5

41

41.3

41.8

42

42.2

43

43.2

43.4

43.5

43.6

44

44.2

44.5

44.7

44.8

45

45.2

45.5

46

46.6

47

47.6

48

48.4

49

49.2

49.4

49.7

50

50.2

50.6

50.8

51

51.2

51.3

52

52.8

53

53.2

53.4

53.6

54

54.1

54.3

54.4

54.5

54.6

55

55.5

56

56.2

56.5

56.6

56.9

57

57.4

58

58.2

58.5

58.6

59

59.7

59.8

59.9

60

60.4

60.5

61

61.2

62

63

63.4

63.5

63.6

63.7

63.8

64

64.8

65

65.6

65.8

66

66.6

66.8

67

67.1

67.5

68

68.3

68.5

68.6

68.7

68.8

69.5

69.6

69.8

70

70.5

70.6

70.7

71

71.2

71.4

72

72.4

73

73.3

74

74.4

74.8

75

75.6

76.2

77

77.6

77.8

78

78.2

78.8

79.5

79.8

80

80.8

81

82

82.5

82.6

83

83.6

84

84.7

85

85.2

85.5

85.6

86

86.1

86.6

88

89.3

89.5

89.6

89.8

89.9

90

90.5

90.8

91

92

93.6

93.9

94

95

95.6

96

97

97.2

98

98.4

98.5

98.6

99

99.2

99.6

100

100.2

100.4

101

101.6

102

102.5

104

104.4

105.8

106

107.3

107.6

108

109

110

111

111.2

112.8

113

114

115

115.6

117.6

118.4

118.8

119.6

120

120.8

121

123.6

124

125

126

126.6

127

129

129.6

130

130.2

131

131.2

131.7

136.4

137.6

138

139.7

140

141

143.0

143.6

144

144.2

146

147

150

150.6

151.7

153.0

154

154.6

156.4

159.0

159.6

160

164

164.6

165

166.2

168.9

170.6

174.0

176

178.4

180.8

182.8

186.8

191.6

192.4

193

194.0

195.0

200

201.7

208.8

209.2

210.6

216

216.6

217

218

222.6

223

227.0

230.4

238

241.2

241.4

247.0

249.4

250.6

251.0

251.6

260

266.7

267.0

286.8

289.6

289.8

290

293.9

297.0

304.8

307.0

327.2

328.6

335

337.2

338.6

339.7

355.6

377

381.0

382.0

382.4

391

421

435.4

447.8

477.8

607
Drawing

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 < 500

500 < 1000

1000 < 5000

5000 < 10000

10000 < 20000

20000 < 50000
Clear

Features
Clean Environment

Heat Resistant

High Accuracy

High Durability

High Torque

High Torsional Rigidity

Low Moment of Inertia

No Backlash

Small

Standard (Input Prohibited)

Unfinished Shaft Bore

Vacuum Environment

Vibration Insulation
Clear

Allowable Misalignment
- Not Provided
- Angular Misalignment
- Eccentricity
- Axial Misalignment
Larger Image

Clear

Max. Rotational Speed Range(r/min)
100~ 300

1001~2000

2001~4000

4001~10000

10001~78000

78001~
Clear

Body Material
- Stainless Steel
- Steel
- Aluminum
- Alloy
- Plastic
- Aluminum Alloy
Clear

Allowable Torque(N•m)
0.05

0.06

0.08

0.1

0.12

0.147

0.15

0.16

0.18

0.196

0.2

0.21

0.22

0.25

0.3

0.31

0.343

0.35

0.392

0.4

0.42

0.49

0.5

0.54

0.55

0.6

0.65

0.7

0.7845

0.8

0.84

0.9

0.981

1

1.1

1.2

1.275

1.3

1.4

1.471

1.5

1.6

1.7

1.76

1.8

1.9

1.961

2

2.1

2.2

2.3

2.4

2.452

2.5

2.6

2.7

2.8

2.942

3

3.2

3.3

3.4

3.432

3.5

3.6

3.67

3.8

3.923

4

4.2

4.4

4.5

4.7

4.8

4.9

5

5.4

5.5

5.6

5.9

6

6.2

6.3

6.4

6.6

6.8

6.865

6.9

7

7.4

7.5

8

8.4

9

9.4

9.6

9.8

9.807

9.81

10

11

11.2

11.6

12

12.5

12.6

13

13.1

13.5

14

14.7

15

15.4

16

17

17.4

17.65

17.652

18

19

19.5

19.7

20

21

22

23

24

24.5

24.52

25

26

27

28

29

29.42

30

31

32

33

33.3

34

34.3

35

36

37.27

37.3

37.5

38

39.227

40

41

42

44

44.13

45

46

48

49

49.033

50

51

52

53.9

54

56

60

61

65

66

67

68

70

71

72

75

76

78.5

79

80

84

85

89

90

90.2

92

95

96

98.067

100

107

108

110

112

114

117

118

120

121

123

130

132

135

137

140

150

151

157

160

170

176

176.52

177

180

188

190

194

196

198

200

210

215.746

220

226

239

245

250

258

260

265

270

294

300

310

314

320

325

350

352

370

380

400

422

441

450

510

525

530

580

588

600

637

650

775

800

810

883

900

980

1000

1120

1300

1320

1370

2000

2060

2100

3400

3430

4000

5000

5200

5400

6370

7000

8000

10000

15000

20000
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.
Clear

Allowable Angular Misalignment(deg)
0.1

0.2

0.5

0.6

0.7

1

1.2

1.3

1.4

1.5

1.6

1.8

2

2.5

3

3.5

4

5

6

8

10

14
Clear

Allowable Lateral Misalignment(mm)
0

0.01

0.02

0.03

0.04

0.05

0.06

0.08

0.09

0.1

0.11

0.12

0.13

0.14

0.15

0.17

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

0.36

0.38

0.4

0.44

0.45

0.46

0.47

0.48

0.5

0.51

0.52

0.54

0.55

0.58

0.6

0.63

0.64

0.68

0.7

0.75

0.8

0.82

0.84

0.9

0.91

0.92

1

1.05

1.08

1.1

1.12

1.2

1.25

1.3

1.33

1.4

1.5

1.6

1.61

1.75

1.9

2

2.1

2.25

2.3

2.4

2.5

2.6

2.8

2.9

3

3.2

3.25

3.3

3.5

3.8

4

4.5

5

6

6.5

7

8

9.0

10

12
Clear

Product Category
- Coupling Main Body
- Maintenance Components
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

Max. Rotational Speed(r/min)
7,700

12,000

14,000

16,000

17,000

18,000

20,000

24,000

27,000

30,000

40,000

250

900

2000

2200

2400

2500

2550

2800

3000

3100

3200

3400

3500

3600

3750

3800

4000

4100

4200

4300

4400

4500

4600

4700

4800

5000

5100

5200

5250

5500

5800

5900

6000

6100

6200

6500

6800

7000

7400

7500

7600

7700

7900

8000

8200

8400

8500

8600

8700

8800

9000

9200

9300

9400

9500

9600

9800

10000

11000

11900

12000

13000

14000

15000

15900

16000

17000

18000

19000

20000

21000

22000

23000

23800

24000

25000

26000

27000

30000

31000

32000

33000

34000

34100

35000

37000

39000

40000

42000

45000

48000

52000

63000

78000

100000
Clear

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

Disc Material
- Stainless Steel
- Polyimide
- Carbon Fiber
- Aluminum
- Glass Fiber Reinforced Resin
- Polyacetal
Clear

Bellows Material
- Stainless Steel
- Phosphor Bronze
- Others
Clear

Cleaning Method
- Degreasing
- Precision Cleaning
Clear

Characteristics/Applications
Clean washed

Corrosion resistance/chemical resistance

Heat resistance

Low Dust Generation

Vacuum
Clear

Environmentally friendly
- RoHS Compliant (10 Substances)
Clear

Type	Slit Disc Oldham Jaw Bellows Others Vibration Damping Rubber Type
Brand	(1) (0) ADVANCED (0) COUP-LINE (0) ESCO (0) ISEL (0) KAYSEVEN (0) KOYO ELECTRONIC (0) MIGHTY (1) MIKI PULLEY (1) MITSUBOSHI BELTING (0) NBK (1) NIHON MINIATURE (2) ORIENTAL MOTOR (0) RS Pro (0) SAKAI MANUFACTURING (0) SCH (0) SEISA (0) SS (0) SUNGIL (0) TSUBAKIMOTO CHA (1)
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1 items

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Until 31/03/2025

Baumann Mini Flex

MIKI PULLEY

· Mini Flexible Shaft Coupling BAUMANN MINI FLEX ZG/LM model.
· The LM model uses an aluminum alloy as the hub material and stainless steel for the coil spring.
· The ZG model uses a zinc alloy as the hub material and steel wire for the coil spring.
· Hexagon head set screw material for ZG/LM is Alloy steel use surface finishing is black coating.
· Application: Encoder, Stepping Motor.
· Standard bore-drilled products do not have keyways.
· Allows angular deflection up to 14°
· Operating Temperature Range: -40 to 120 °C

From: ฿ 1,088.67
Special Price
Days to Ship: Same day

Same day


Brand
Product Series
CAD
From
Days to Ship
Type
Shaft Bore Dia. (machined) D1(Ø)
Shaft Bore Dia. (machined) D2(Ø)
Outer Dia. A(Ø)
Overall Length W(mm)
Application
Allowable Torque Range(N•m)
Features
Allowable Misalignment
Max. Rotational Speed Range(r/min)
Body Material
Allowable Torque(N•m)
Allowable Angular Misalignment(deg)
Allowable Lateral Misalignment(mm)
Product Category
Allowable Lateral Misalignment Range(mm)
Max. Rotational Speed(r/min)
Buffer Material
Disc Material
Bellows Material
Cleaning Method
Characteristics/Applications
Environmentally friendly

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025
Brand	MIKI PULLEY
Product Series	Baumann Mini Flex
CAD	2D
From	฿ 1,088.67 Special Price On Sale Until 31/03/2025
Days to Ship	Same day
Type	Bellows
Shaft Bore Dia. (machined) D1(Ø)	6
Shaft Bore Dia. (machined) D2(Ø)	6
Outer Dia. A(Ø)	12 ～ 26
Overall Length W(mm)	25 ～ 50
Application	Stepping Motor / Encoder
Allowable Torque Range(N•m)	0.05~1.00 ～ 1.01~3.00
Features	Unfinished Shaft Bore
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment
Max. Rotational Speed Range(r/min)	2001~4000
Body Material	Alloy
Allowable Torque(N•m)	0.15 ～ 1.5
Allowable Angular Misalignment(deg)	5 ～ 8
Allowable Lateral Misalignment(mm)	0.5 ～ 1.2
Product Category	Coupling Main Body
Allowable Lateral Misalignment Range(mm)	0.41~1.0 ～ 1.1~3.0
Max. Rotational Speed(r/min)	3000
Buffer Material	-
Disc Material	-
Bellows Material	-
Cleaning Method	-
Characteristics/Applications	-
Environmentally friendly	-

Application example related to this category

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Related Categories to Flexible Shaft Couplings

FAQ Flexible Shaft Couplings

Question: What are the different types of flexible Shaft Couplings?: Answer: There are several types of flexible Shaft Couplings, including beam, bellows, jaw, Oldham, disc, diaphragm, and gear couplings. Each type has unique features and benefits that make them suitable for different applications and environments. Flexible Shaft Couplings are used to connect two shafts and allow for misalignment while transmitting torque between them.
Question: What factors should be considered when selecting a flexible Shaft Couplings?: Answer: The factor for selecting a flexible coupling, there are several factors that should be considered, including the required torque capacity, misalignment capability, operating speed, and environmental factors such as temperature and humidity. Other considerations include the required degree of axial and radial stiffness, the space available for the coupling, and the type of equipment being connected. It is also important to consider the potential for wear and tear, maintenance requirements, and the cost of the coupling.
Question: How is a flexible Shaft Couplings installed and maintained?: Answer: Shaft Couplings are installed by aligning the shafts and tightening the screws or bolts. Maintenance involves regular inspections for signs of wear, damage, or misalignment. Lubrication is important to prevent excessive wear and reduce friction. Cleaning and tightening of bolts and screws are also necessary to ensure proper operation.
Question: What is the difference between a flexible coupling and a rigid coupling?: Answer: A flexible coupling allows for some misalignment between two connected shafts while transmitting torque, while a rigid coupling does not allow for any misalignment. Flexible Shaft Couplings are designed to absorb shock and vibration, which can help reduce wear and tear on connected equipment. Rigid couplings, on the other hand, are used in applications where precise alignment between shafts is critical, such as in high-speed rotating equipment or precision machinery.