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Round Coil Springs-Fmax. (Allowable Deflection) = Lx35%-40%/O.D. Referenced

On Sale Till 31/03/2025
Volume Discount

MISUMI

Part Number

Configured Part Number is shown.

Product TOP

Part Number

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*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

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Part Number
WM18-90
WM18-100
WM20-90
WM20-100
WM22-90
WM22-100
WM27-90
WM27-100

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Free Length L (mm)	Inner Dia. D-2d (or D) (Ø)	Outer Dia. D (or D1) (Ø)	Height with the max. load applied ([Free Length] – [Allowable Deflection]) (mm)	Spring Constant (N/mm)	Allowable Load (Configurable Range) (N)	Max. Load (N)	Wire Dia. (Ø)	End Face	Solid Length (mm)
SGD 2.66	1 Piece(s)	Available	4 Day(s) or more	10	90	13.4	18	58.5	4.9	150.01~230.00	154	2.3	With Grinding	41.4
SGD 2.66	1 Piece(s)	Available	4 Day(s) or more	10	100	13.4	18	65	4.9	150.01~230.00	171.6	2.3	With Grinding	41.4
SGD 2.74	1 Piece(s)	Available	4 Day(s) or more	10	90	15.2	20	58.5	4.9	150.01~230.00	154	2.4	With Grinding	36
SGD 2.74	1 Piece(s)	Available	4 Day(s) or more	10	100	15.2	20	65	4.9	150.01~230.00	171.6	2.4	With Grinding	36
SGD 2.83	1 Piece(s)	Available	4 Day(s) or more	10	90	16.8	22	58.5	4.9	150.01~230.00	154	2.6	With Grinding	40
SGD 2.83	1 Piece(s)	Available	4 Day(s) or more	10	100	16.8	22	65	4.9	150.01~230.00	171.6	2.6	With Grinding	40
SGD 3.16	1 Piece(s)	Available	4 Day(s) or more	10	90	21	27	58.5	4.9	150.01~230.00	154	3	With Grinding	43.5
SGD 3.16	1 Piece(s)	Available	4 Day(s) or more	10	100	21	27	65	4.9	150.01~230.00	171.6	3	With Grinding	43.5

Basic Information

Material	SWP-A

Configure

8 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Free Length L(mm)
5

10

15

20

25

30

35

40

45

50

55

60

65

70

80

90

100
Clear
Inner Dia. D-2d (or D)(Ø)
1.9

2

2.1

2.2

2.24

2.3

2.4

2.7

2.8

2.9

3

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

4

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

5

5.4

5.6

5.8

6

6.2

6.4

6.5

6.6

7.2

7.4

7.6

7.8

8

8.2

8.3

8.8

9

9.2

9.4

9.6

9.8

10

10.2

10.4

10.6

10.8

11

11.2

11.4

11.6

12.2

12.4

12.6

12.8

13

13.2

13.4

13.6

13.8

14

14.2

14.4

14.6

14.8

15.2

15.6

16

16.2

16.4

16.8

17.2

17.4

17.8

18

18.2

18.4

21

21.4

21.8

22.2

22.4

22.8
Clear
Outer Dia. D (or D1)(Ø)
3

4

5

6

8

10

12

13

14

16

18

20

22

27
Clear
Height with the max. load applied ([Free Length] – [Allowable Deflection])(mm)
3

3.2

3.3

6

6.5

9

9.7

9.8

12

13

15

16.3

17.5

18

19.5

21

22.8

24

26

27

28

29.2

30

32.5

33

35

35.7

35.8

36

38.5

39

42

42.3

45.5

46.2

47.4

48

50

50.4

52

57.6

58.5

65
Clear
Spring Constant(N/mm)
1.5

2

2.9

3.9

4.9
Clear
Max. Load(N)
2.9

3.4

3.9

4.9

5.9

6.9

7.8

8.8

9.8

10.3

10.8

11.8

13.7

14.7

15.7

17.7

19.6

20.6

23.5

24

25.5

27.5

30.4

30.9

31.4

34.3

35.3

37.8

39.2

41.2

42.2

43.1

43.5

44.5

46.1

47.1

48.1

49

51

52

53

54.9

55.9

58.8

59.8

61.8

62.8

64.7

65.9

68.6

70.6

71.6

77.5

78.5

82.4

85.3

86.3

92.7

92.9

94.1

102

103

109.8

110.8

119.6

125.5

137.3

154

171.6
Clear
Wire Dia.(Ø)
0.3

0.35

0.38

0.4

0.45

0.5

0.55

0.6

0.65

0.7

0.75

0.8

0.85

0.9

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

2.2

2.3

2.4

2.6

2.8

3
Clear
End Face
- With Grinding
- Without Grinding
Clear
Solid Length(mm)
1.73

2.3

2.36

2.38

2.5

2.7

2.8

3.25

3.3

3.4

4.2

4.35

4.38

4.7

5

5.1

5.2

5.5

5.53

6

6.3

6.5

6.75

6.8

7

7.4

7.5

7.7

7.8

8

8.25

8.4

8.5

8.78

9.1

9.43

9.63

9.8

10

10.2

10.8

11

11.1

11.3

11.5

11.7

11.9

12

12.5

12.6

12.7

13

13.2

13.3

13.6

14

14.3

14.4

14.5

15

15.6

16

16.2

16.7

17

17.3

17.4

17.5

17.6

17.9

18

18.7

19.5

19.6

19.8

20.4

20.5

21

21.6

22

22.1

22.4

22.5

23

23.2

23.8

24

24.8

26

26.1

26.3

27

27.5

28.2

28.6

28.8

28.9

30

30.6

31

31.2

31.5

32.1

32.2

32.3

32.5

33.6

34

34.1

34.2

36

36.8

37.4

39.2

39.6

40

41.4

42

43

43.5

44.2

44.6

47.3

48.4
Clear
type
- WM
- WT
Clear
Allowable Load (Configurable Range)(N)
- 1.51~4.50
- 4.51~8.50
- 8.51~16.00
- 16.01~30.00
- 30.01~50.00
- 50.01~73.00
- 73.01~107.00
- 107.01~150.00
- 150.01~230.00
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

4 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Round Coil Springs-Fmax. (Allowable Deflection) = Lx35%-40%/O.D. Referenced

Part Number

Basic Information

Configure

Specification/Dimensions

Free Length L(mm)

Inner Dia. D-2d (or D)(Ø)

Outer Dia. D (or D1)(Ø)

Height with the max. load applied ([Free Length] – [Allowable Deflection])(mm)

Spring Constant(N/mm)

Max. Load(N)

Wire Dia.(Ø)

End Face

Solid Length(mm)

type

Allowable Load (Configurable Range)(N)

CAD

Days to Ship

Specify Alterations

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