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Round Coil Springs-Fmax. (Allowable Deflection) = Lx40%-45%/O.D. Referenced (WF18-25)

On Sale Till 31/03/2025
Volume Discount

MISUMI

Part Number

Configured Part Number is shown.

WF18-25

Product TOP

Part Number

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Part Number
WF18-25

Part Number	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 Surface Status	Solid Length (mm)
	SGD 2.33	1 Piece(s)	Available	Same day	10	25	15.4	18	13.8	1	8.51~16.00	10.8	1.3	With Grinding	12.4

Basic Information

Material	SWP-A

Please check the type/dimensions/specifications of the part WF18-25 in the Round Coil Springs-Fmax. (Allowable Deflection) = Lx40%-45%/O.D. Referenced series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

type
- WF
- WL
Clear
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)
1.4

1.42

1.48

1.6

2

2.1

2.2

2.3

2.36

2.4

2.48

2.7

2.8

2.9

3

3.1

3.2

3.3

3.36

3.5

3.6

3.7

3.8

3.9

4

4.1

4.2

4.24

4.3

4.4

4.5

4.6

4.7

4.8

4.9

5

5.1

5.2

6

6.2

6.3

6.4

6.5

6.6

6.7

6.8

7.8

8

8.2

8.3

8.4

8.5

8.7

9.4

9.6

9.8

10

10.2

10.4

10.6

10.8

11

11.2

11.3

11.4

11.5

11.6

11.8

12

12.2

12.4

12.8

13

13.2

13.4

13.6

13.8

14

14.2

14.4

14.6

14.8

15

15.2

15.4

15.6

16

16.4

16.6

16.8

17

17.2

17.4

17.6

18

18.4

18.6

19

19.2

19.4

21.4

21.8

22

22.4

22.8

23

23.2

23.6
Clear
Outer Dia. D (or D1)(Ø)
2

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)
2.75

3

5.5

6

8.3

9

11

12

13.8

15

16.5

18

19.3

21

22

24

24.8

25

27

27.5

30

30.3

33

35.8

36

38.5

39

42

44

48

49.5

54

60
Clear
Spring Constant(N/mm)
0.5

1

2.9
Clear
Allowable Load (Configurable Range)(N)
- ~1.50
- 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
Clear
Max. Load(N)
0.98

1.1

2

2.2

2.3

2.9

3.2

3.9

4

4.4

4.9

5.5

5.9

6.6

7.6

7.8

8.8

9.8

10.8

11

11.8

12.1

12.7

13.2

13.7

14.3

14.7

15.4

15.7

17.7

19.6

19.8

19.9

21.6

22.1

23.5

24.2

24.3

25.5

26.5

27.5

28.6

28.7

29.4

30.9

31.4

35.3

41.2

47.1

53

58.8

64.7

70.6

76.5

82.4

94.1

105.9

117.7
Clear
Wire Dia.(Ø)
0.2

0.26

0.29

0.3

0.32

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

2.5

2.6

2.8
Clear
End Surface Status
- With Grinding
- Without Grinding
Clear
Solid Length(mm)
1.7

2

2.1

2.3

2.5

2.8

3.1

3.4

3.9

4.6

4.7

4.8

4.9

5

5.1

5.2

5.3

5.4

5.6

6

6.3

6.4

6.5

7

7.2

7.5

7.7

7.8

7.9

8

8.2

8.5

8.7

9

9.8

9.9

10

10.4

10.5

10.8

11

11.2

11.3

12

12.4

12.6

12.8

13

13.2

13.3

13.5

13.7

13.9

14

14.1

14.5

15

15.3

15.4

15.6

15.8

16

16.1

16.2

16.5

17

17.5

18

18.2

18.6

18.9

19

19.4

19.8

20

20.4

21

21.4

21.6

22

22.1

22.8

23.1

24

24.2

25.2

26

26.4

26.8

27.5

27.6

28

28.1

28.6

28.8

29.7

30.6

31

32

32.3

33

33.6

34.5

34.9

36

36.4

37.4

37.8

39.7

40

43

43.5

46.7
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 .

Similar Part Numbers

Part Number
WF10-25
WF10-30
WF10-35
WF18-30
WF18-35
WF18-40

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 Surface Status	Solid Length (mm)
SGD 1.49	1 Piece(s)	Available	Same day	10	25	8.4	10	13.8	0.5	4.51~8.50	5.5	0.8	With Grinding	10.4
SGD 1.49	1 Piece(s)	Available	Same day	10	30	8.3	10	16.5	0.5	4.51~8.50	6.6	0.85	With Grinding	14
SGD 1.49	1 Piece(s)	Available	Same day	10	35	8.3	10	19.3	0.5	4.51~8.50	7.6	0.85	With Grinding	14
SGD 2.33	1 Piece(s)	Available	4 Day(s) or more	10	30	15.4	18	16.5	1	8.51~16.00	12.7	1.3	With Grinding	12.4
SGD 2.33	1 Piece(s)	Available	4 Day(s) or more	10	35	15.2	18	19.3	1	8.51~16.00	14.7	1.4	With Grinding	16.1
SGD 2.33	1 Piece(s)	Available	4 Day(s) or more	10	40	15	18	22	1	16.01~30.00	17.7	1.5	With Grinding	21

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Round Coil Springs-Fmax. (Allowable Deflection) = Lx40%-45%/O.D. Referenced (WF18-25)

Part Number

Basic Information

Configure

Specification/Dimensions

type

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 Surface Status

Solid Length(mm)

CAD

Days to Ship

Specify Alterations

Similar Part Numbers

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