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Round Coil Springs-Fmax. (Allowable Deflection) = Lx60%-75%/O.D. Referenced (WR20-40)

On Sale Till 31/03/2025
Volume Discount

MISUMI

Part Number

Configured Part Number is shown.

WR20-40

Product TOP

Part Number

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: 30; 45; 60

Part Number
WR20-40

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)	Solid Length (mm)	Allowable Deflection (mm)
	SGD 2.41	1 Piece(s)	Available	4 Day(s) or more	10	40	17.6	20	16	0.5	8.51~16.00	11.8	1.2	10.8	24

Basic Information

Material	SWP-A	End Surface Status	Without Grinding

Please check the type/dimensions/specifications of the part WR20-40 in the Round Coil Springs-Fmax. (Allowable Deflection) = Lx60%-75%/O.D. Referenced series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

type
- WR
- WY
Clear
Free Length L(mm)
5

10

15

20

25

30

35

40

45

50

55

60

65

70

80

90
Clear
Inner Dia. D-2d (or D)(Ø)
2.3

2.36

2.4

2.48

2.5

2.54

2.6

2.68

3

3.1

3.2

3.24

3.36

3.42

3.48

3.5

3.54

3.6

3.9

4

4.1

4.2

4.24

4.3

4.4

4.5

4.7

4.8

4.9

5

5.1

5.2

5.24

5.3

5.36

5.4

6.5

6.6

6.8

6.9

7

7.1

7.2

7.24

7.3

8.2

8.3

8.4

8.6

8.7

8.8

8.9

9

10

10.2

10.4

10.6

10.7

10.8

11

11.2

11.3

11.4

11.5

11.6

11.7

11.8

12

12.2

12.4

12.5

12.6

13.6

13.8

14

14.2

14.3

14.4

14.5

14.6

14.7

15.2

15.4

15.6

15.8

16

17.2

17.4

17.6

17.8

18

19

19.2

19.4

19.6

19.8

23.6

23.8

24.2

24.4
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)
1.25

2

2.5

3.8

4

5

6

6.3

7.5

8

8.8

10

11.3

12

12.4

12.5

13.8

14

15

16

16.3

17.5

18

20

22

24

26

28

32

36
Clear
Spring Constant(N/mm)
0.1

0.2

0.3

0.5
Clear
Allowable Load (Configurable Range)(N)
- ~1.50
- 1.51~4.50
- 4.51~8.50
- 8.51~16.00
- 16.01~30.00
Clear
Max. Load(N)
0.38

0.7

0.75

0.9

1.1

1.12

1.5

1.8

1.87

2.2

2.25

2.26

2.6

2.9

3.3

3.5

3.7

4

4.4

4.8

5.1

5.3

5.8

5.9

6.2

6.6

7.1

7.4

7.9

8.1

8.8

9.6

9.7

10.3

10.6

11.5

11.8

12.4

13.2

14.1

14.7

15.9

16.2

17.7

19.1

20.6

23.5
Clear
Wire Dia.(Ø)
0.16

0.2

0.23

0.25

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
Clear
Solid Length(mm)
1

1.1

1.6

1.7

1.8

1.9

2

2.1

2.2

2.3

2.7

2.8

3

3.2

3.5

3.6

3.9

4

4.1

4.5

4.6

4.8

4.9

5

5.1

5.5

5.6

5.7

5.8

6

6.3

6.5

6.6

6.7

6.8

6.9

7

7.2

7.5

7.7

8

8.3

8.4

8.5

8.7

8.8

9

9.1

9.2

9.9

10.4

10.5

10.8

11.3

11.5

11.6

12.2

12.4

12.5

12.6

13

13.5

14.4

15

15.3

16

16.1

17.1

17.4

17.6

18

19.5

20

20.9

21

22

22.1

22.5

22.9

23.5

25

27.3

28

28.6

28.8
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
WR10-25
WR10-30
WR10-35
WR20-45
WR20-50
WR20-55

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)	Solid Length (mm)	Allowable Deflection (mm)
SGD 1.49	1 Piece(s)	Available	Same day	10	25	8.7	10	10	0.3	1.51~4.50	4.4	0.65	6.5	15
SGD 1.49	1 Piece(s)	Available	Same day	10	30	8.6	10	12	0.3	4.51~8.50	5.3	0.7	8.8	18
SGD 1.49	1 Piece(s)	Available	Same day	10	35	8.6	10	14	0.3	4.51~8.50	6.2	0.7	8.8	21
SGD 2.41	1 Piece(s)	Available	4 Day(s) or more	10	45	17.6	20	18	0.5	8.51~16.00	13.2	1.2	10.8	27
SGD 2.41	1 Piece(s)	Available	4 Day(s) or more	10	50	17.4	20	20	0.5	8.51~16.00	14.7	1.3	15	30
SGD 2.58	1 Piece(s)	Available	4 Day(s) or more	10	55	17.4	20	22	0.5	16.01~30.00	16.2	1.3	15	33

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Round Coil Springs-Fmax. (Allowable Deflection) = Lx60%-75%/O.D. Referenced (WR20-40)

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)

Solid Length(mm)

CAD

Days to Ship

Specify Alterations

Similar Part Numbers

Tech Support

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