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Torsion Springs（Inner Dia. ID：Ø2）

Torsion springs are a type of wire spring. They are springs that receive a twisting moment around the coil. The shape of torsion spring ends is determined by the mounting location and method, enabling selection of 90-, 135- or 180-degree arm angles. Unlike compression springs and tension springs, torsion springs can reduce the design space and labor. Torsion springs can be classified primarily into close-wound and pitch-wound types. When selecting a torsion spring, it's important to carefully check the free length, average coil diameter and spring constant to select the right model for the usage environment or application. But when selecting models, note that different manufacturers define free length differently.

3 items

: 30; 45; 60

Days to Ship	All 1 Day(s) or Less 2 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less

Recommendation
MiSUMi Economy
Torsion Springs, Arm Angle (90°/135°/180°)

MISUMI

· Economy Torsion Springs Series -Arm angles of 90°/135°/180°.
· The series includes C-UA90R, C-UA90L, C-UA135R, C-UA135L, C-UA180R and C-UA180R.
· Material: Stainless Steel (SUS304-WPB)
· Arm Angle: 90°/135°/180°.
· Type of Arm Angle: Right Winding and Left Winding
· Inner Diameter: 2, 3, 4, 5 and 6
· Number of coil n: 3, 4 and 5.
· Torsion springs are used in various applications such as automotive, aerospace, industrial machinery, and electrical devices.
· Torsion springs are designed to generate torque or rotational force when twisted or subjected to angular deflection.

Volume Discount

RoHS

CAD ：

2D / 3D
Days to Ship: 1 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Torsion Springs

MISUMI

· Torsion Springs Arm angles of 90°/135°/180°.
· The series includes UA90R, UA90L, UA135R, UA135L, UA180R and UA180R.
· Material: Stainless Steel (SUS304-WPB)
· Arm Angle: 90°/135°/180°.
· Type of Arm Angle: Right Winding and Left Winding
· Inner Diameter: 2, 3, 4, 5 and 6
· Number of coil n: 2, 3, 4 and 5.
· Torsion springs are used in various applications such as automotive, aerospace, industrial machinery, and electrical devices.
· Torsion springs are designed to generate torque or rotational force when twisted or subjected to angular deflection.

CAD ：

2D / 3D

Days to Ship: 11 Day(s) or more

"Same Day Ship Out" is available for item with 1 day

Days to Ship:	1 Day(s) or more

Days to Ship:	11 Day(s) or more

[Clean & Pack]Torsion Springs

MISUMI

Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.

■Part Number for Clean & Pack Products

·Degreasing (Anti-rust single packing)	: Part Number SL-□□
·Precision cleaning (Degassing double packing)	: Part Number SH-□□
·Electrolytic polishing + precision cleaning (Degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-rust packing	Oil removal	General environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision cleaning	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

[Features]Arm angles of 90°/135°/180° are available for right and left winding.

Volume Discount

CAD ：: 2D / 3D

Days to Ship:	6 Day(s) or more

"Same Day Ship Out" is available for item with 1 day


Brand
Product Series
CAD
Days to Ship
Specifications
Free Angle θ
Environmentally friendly
Inner Dia. ID
Characteristics/Applications
Helix Angle φd2(deg)
Wire Dia. d(Ø)
Number of Winding n
Spring Constant k(N･mm/deg)
Material
Cleaning Method

	Recommendation
Brand	MISUMI MiSUMi Economy	MISUMI	MISUMI
Product Series	Torsion Springs, Arm Angle (90°/135°/180°)	Torsion Springs	[Clean & Pack]Torsion Springs
CAD	2D / 3D	2D / 3D	2D / 3D
Days to Ship	1 Day(s) or more	11 Day(s) or more	6 Day(s) or more
Specifications	RoHS
Free Angle θ	90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil / 90° Left Winding Coil / 135°Left Winding Coil / 180°Left Winding Coil	90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil / 90° Left Winding Coil / 135°Left Winding Coil / 180°Left Winding Coil	90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil / 90° Left Winding Coil / 135°Left Winding Coil / 180°Left Winding Coil
Environmentally friendly	-	-	RoHS Compliant (10 Substances)
Inner Dia. ID	Ø2	Ø2	Ø2
Characteristics/Applications	-	-	Clean Washed
Helix Angle φd2(deg)	-	36 ～ 61	23 ～ 61
Wire Dia. d(Ø)	0.3 ～ 0.4	0.2 ～ 0.4	0.2 ～ 0.4
Number of Winding n	5	2 / 3 / 4 / 5	2 / 3 / 4 / 5
Spring Constant k(N･mm/deg)	-	0.0088 ～ 0.0363	0.0088 ～ 0.1108
Material	Steel	Stainless Steel	Stainless Steel
Cleaning Method	-	-	Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning

Configure

Specification/Dimensions

Free Angle θ
- 90° Right Winding Coil
- 135° Right Winding Coil
- 180° Right Winding Coil
- 90° Left Winding Coil
- 135°Left Winding Coil
- 180°Left Winding Coil
- Left and Right Winding 90° coils
- Left and Right Winding 135° coils
Images

Clear

Environmentally friendly
- RoHS Compliant (10 Substances)
Clear

Inner Dia. ID
Ø2

Ø3

Ø4

Ø5

Ø5.5

Ø6

Ø7

Ø8

Ø9

Ø10

Ø12

Ø14

Ø16

Ø18

ø22
Drawing

Clear

Characteristics/Applications
Clean Washed
Details

Clear

Helix Angle φd2(deg)
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

63

64

65

66

67

68

69

70

71

72

73

74

75

75(0.6) 54(0.8)

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

114

115

116

119

122

125

128

131

134

135

137

140

144
Drawing

Clear

Wire Dia. d(Ø)
0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.2

1.4

1.5

1.6

1.8

2

2.3

2.6

2.9
Drawing

Clear

Number of Winding n
- 2
- 3
- 4
- 5
Drawing

Clear

Spring Constant k(N･mm/deg)
0.0088

0.0090

0.0093

0.0115

0.0119

0.0124

0.02

0.024

0.025

0.0289

0.0295

0.03

0.0302

0.0304

0.0314

0.0345

0.0354

0.0363

0.038

0.0387

0.04

0.0403

0.042

0.0428

0.0441

0.0455

0.05

0.055

0.056

0.0563

0.058

0.0586

0.059

0.0611

0.0617

0.062

0.0630

0.0643

0.07

0.0722

0.073

0.0736

0.0744

0.075

0.0755

0.076

0.0774

0.08

0.0882

0.09

0.091

0.0912

0.0918

0.0920

0.094

0.0955

0.0970

0.098

0.0996

0.1

0.1054

0.1080

0.11

0.1108

0.112

0.1138

0.115

0.1161

0.118

0.1185

0.1199

0.12

0.122

0.1248

0.127

0.13

0.1301

0.131

0.134

0.1357

0.1368

0.137

0.139

0.1409

0.141

0.1425

0.1454

0.1471

0.148

0.15

0.1501

0.1533

0.16

0.1680

0.17

0.173

0.1732

0.1756

0.177

0.1787

0.1793

0.1799

0.18

0.181

0.184

0.1845

0.1866

0.1894

0.190

0.191

0.192

0.1933

0.194

0.1944

0.1974

0.199

0.2

0.21

0.217

0.22

0.2206

0.224

0.225

0.2259

0.229

0.2296

0.23

0.2314

0.2315

0.235

0.2363

0.2373

0.2394

0.2413

0.2436

0.2512

0.256

0.26

0.271

0.272

0.2763

0.279

0.2797

0.28

0.2831

0.286

0.288

0.2883

0.29

0.2903

0.2974

0.301

0.302

0.306

0.309

0.3099

0.313

0.316

0.319

0.32

0.3224

0.332

0.3360

0.34

0.35

0.352

0.36

0.361

0.3672

0.376

0.3821

0.391

0.3983

0.4

0.403

0.41

0.426

0.43

0.440

0.443

0.45

0.453

0.457

0.461

0.469

0.47

0.472

0.476

0.487

0.4939

0.498

0.5041

0.506

0.5147

0.52

0.522

0.527

0.552

0.56

0.57

0.5811

0.582

0.587

0.5891

0.5931

0.596

0.6037

0.6056

0.61

0.611

0.6190

0.63

0.635

0.640

0.65

0.656

0.67

0.672

0.68

0.682

0.6936

0.699

0.703

0.7108

0.715

0.716

0.72

0.726

0.7289

0.7299

0.744

0.75

0.7523

0.755

0.77

0.7762

0.787

0.791

0.8

0.802

0.822

0.83

0.84

0.843

0.87

0.878

0.900

0.922

0.94

0.9590

0.96

0.978

0.9981

1.02

1.03

1.04

1.0406

1.05

1.07

1.08

1.10

1.11

1.12

1.13

1.15

1.1765

1.18

1.19

1.2008

1.21

1.2262

1.23

1.30

1.31

1.32

1.34

1.35

1.36

1.38

1.40

1.4045

1.41

1.42

1.4394

1.44

1.45

1.4760

1.48

1.49

1.52

1.53

1.54

1.56

1.58

1.59

1.592

1.62

1.68

1.686

1.69

1.73

1.77

1.79

1.80

1.84

1.87

1.88

1.96

1.98

2.01

2.03

2.05

2.06

2.08

2.09

2.11

2.17

2.18

2.23

2.28

2.29

2.3

2.31

2.32

2.34

2.41

2.42

2.44

2.45

2.47

2.50

2.51

2.53

2.55

2.57

2.65

2.66

2.81

2.82

2.86

2.91

2.93

2.95

3.12

3.17

3.18

3.22

3.26

3.28

3.30

3.34

3.41

3.42

3.44

3.51

3.52

3.54

3.57

3.60

3.61

3.62

3.66

3.69

3.75

3.78

3.8

3.81

3.89

3.95

3.98

4.05

4.11

4.13

4.18

4.22

4.28

4.45

4.46

4.58

4.59

4.63

4.66

4.77

4.85

4.89

5.05

5.08

5.12

5.16

5.17

5.23

5.25

5.26

5.37

5.38

5.44

5.46

5.47

5.54

5.59

5.62

5.70

5.72

5.73

5.77

5.81

5.95

6.00

6.04

6.14

6.25

6.30

6.33

6.39

6.41

6.42

6.44

6.58

6.74

6.85

7

7.03

7.35

7.5

7.52

7.53

7.60

7.72

7.82

8.04

8.15

8.23

8.28

8.33

8.39

8.55

8.59

8.6

8.61

8.80

8.82

8.89

8.96

9.02

9.17

9.25

9.37

9.44

9.55

9.64

9.66

9.8

9.90

10.2

10.4

10.8

10.9

11.06

11.2

11.3

11.5

11.52

11.8

11.9

12.0

12.2

12.4

12.7

12.9

13.3

13.5

13.6

13.9

14.0

14.3

14.4

14.53

15.0

15.49

15.6

15.9

16.2

16.9

17.2

17.6

18.2

19.3

20.0

20.36

21.2

21.5

22.4

22.5

22.6

23.3

23.7

23.9

24.3

24.9

25.4

27.2

28.1

31.1

32.7

32.9

33.5

34.0

34.3

35.0

35.6

38.3

39.9

41.5

52.8

53.6

54.9

55.4

57.2

58.6

62.3

76.3

80.8

85.8
Clear