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Round Wire Springs -Spring Constant 2.9~14.7 N/mm- (UM6-20)

On Sale Till 15/12/2024
Volume Discount

MISUMI

•Material: Stainless Steel Wire
•Tolerance Change: LKC (with Tolerance Change)

(i)Caution

Please check the content on our website as the PDF does not contain the most up-to-date information.

Part Number

Configured Part Number is shown.

UM6-20

Drawing/Specifications
3D Preview
Part Numbers
Catalog

Round Wire Springs -Spring Constant 2.9~14.7 N/mm-:Related Image

・Materials
[ M ] Material: 304 Stainless Steel Spring Constant ±10%

Specifications

Part Number

UM16-80
UH16-80

■UM: Fmax. (Allowable Deflection) =LxFa%

Part Number		d	Solid Length	F max.	N{kgf}max.		Fa%
Type D-L		d	Solid Length	F max.	N{kgf}max.		Fa%
UM 4-	5*	0.4	2.2	1.75	3.4	{0.35}	35
	10*	0.5	4.9	3.5	6.8	{0.7 }
	15	0.55	7.5	5.25	10.3	{1.05}
	20	0.6	11.1	7	13.7	{1.4 }
	25	0.6	11.1	8.75	17.2	{1.75}
	30	0.65	16.3	10.5	20.6	{2.1 }
UM 5-	5*	0.45	2.25	1.75	3.4	{0.35}	35
	10*	0.5	3.13	3.5	6.8	{0.7 }
	15	0.65	8.45	5.25	10.3	{1.05}
	20	0.65	8.45	7	13.7	{1.4 }
	25	0.7	11.9	8.75	17.2	{1.75}
	30	0.7	11.9	10.5	20.6	{2.1 }
	35	0.75	16.5	12.25	24.0	{2.45}
	40	0.8	23.2	14	27.5	{2.8 }
	45	0.8	23.2	15.75	30.9	{3.15}
	50	0.85	31.45	17.5	34.3	{3.5 }
UM 6-	5*	0.55	2.7	1.7	4.9	{0.5 }	35
	10	0.7	5.6	3.5	10.8	{1.1 }
	15	0.75	7.4	5.2	15.7	{1.6 }
	20	0.75	7.4	7	20.6	{2.1 }
	25	0.85	12.8	8.7	25.5	{2.6 }
	30	0.85	12.8	10.5	31.4	{3.2 }
	35	0.9	16.7	12.2	36.3	{3.7 }
	40	0.9	16.8	14	41.2	{4.2 }
	45	1.0	27.8	15.75	46.1	{4.7 }
	50	1.0	28.0	17.5	52.0	{5.3 }
	60	1.0	28.0	18	53.0	{5.4 }	30
	70	1.1	46.2	19.6	58.8	{6 }	28
UM 8-	10	0.85	6.4	3.5	10.8	{1.1 }	35
	15	0.9	7.9	5.2	15.7	{1.6 }
	20	0.9	7.9	7	20.6	{2.1 }
	25	0.9	7.9	8.7	25.5	{2.6 }
	30	1.0	12.0	10.5	31.4	{3.2 }
	35	1.0	12.0	12.2	36.3	{3.7 }
	40	1.1	18.7	14	41.2	{4.2 }
	45	1.1	18.7	15.75	46.1	{4.7 }
	50	1.1	18.7	17.5	52.0	{5.3 }
	60	1.2	28.2	21	61.8	{6.3 }
	70	1.3	42.0	24.5	72.6	{7.4 }
UM10-	10	0.9	5.2	3.5	10.8	{1.1}	35
	15	1.0	7.3	5.2	15.7	{1.6}
	20	1.0	7.3	7	20.6	{2.1}
	25	1.1	10.5	8.7	25.5	{2.6}
	30	1.1	10.5	10.5	31.4	{3.2}
	35	1.2	15	12.2	36.3	{3.7}
	40	1.2	15	14	41.2	{4.2}
	45	1.3	21.8	15.75	46.1	{4.7}
	50	1.3	21.8	17.5	52.0	{5.3}
	60	1.4	30.8	21	61.8	{6.3}
	70	1.4	30.8	24.5	72.6	{7.4}
UM13-	15	1.2	8.4	5.2	15.7	{1.6}	35
	20	1.3	11.1	7	20.6	{2.1}
	25	1.3	11.1	8.7	25.5	{2.6}
	30	1.4	15.1	10.5	31.4	{3.2}
	35	1.4	15.1	12.2	36.3	{3.7}
	40	1.4	15.1	14	41.2	{4.2}
	45	1.4	15.1	15.75	46.1	{4.7}
	50	1.4	15.1	17.5	52.0	{5.3}
	60	1.6	27.2	21	61.8	{6.3}
	70	1.6	27.2	24.5	72.6	{7.4}
	80	1.7	36.2	28	82.4	{8.4}
UM16-	15	1.4	9.6	5.2	15.7	{ 1.6}	35
	20	1.5	12.4	7	20.6	{ 2.1}
	25	1.5	12.4	8.7	25.5	{ 2.6}
	30	1.5	12.4	10.5	31.4	{ 3.2}
	35	1.6	15.6	12.2	36.3	{ 3.7}
	40	1.6	15.6	14	41.2	{ 4.2}
	45	1.7	20.4	15.75	46.1	{ 4.7}
	50	1.7	20.4	17.5	52.0	{ 5.3}
	60	1.8	26.1	21	61.8	{ 6.3}
	70	1.8	26.1	24.5	72.6	{ 7.4}
	80	1.8	26.1	28	82.4	{ 8.4}
UM20-	20	1.8	11.3	7	34.3	{ 3.5}	35
	25	1.9	13.3	8.75	43.1	{ 4.4}
	30	1.9	13.3	10.5	52.0	{ 5.3}
	35	2	16	12.25	59.8	{ 6.1}
	40	2	16	14	68.6	{ 7 }
	45	2.2	23.7	15.75	77.5	{ 7.9}
	50	2.2	23.7	17.5	86.3	{ 8.8}
	60	2.2	23.7	21	103.0	{10.5}
	70	2.4	34.8	24.5	120.6	{12.3}
	80	2.4	34.8	28	137.3	{14 }

kgf (Load)=N/mm (Spring Constant) x0.101972xF (Deflection)
{kgf}=Nx0.101972
[ ! ]For Types marked with *, both ends are not ground.
[ ! ]The values of soild length are for reference only. There may be some variations depending on the lot.
[ ! ]Operation Frequency: One million times

■UH: Fmax. (Allowable Deflection)=LxFa%

Part Number		d	Solid Length	F max.	N{kgf}max.		Fa%
Type D-L		d	Solid Length	F max.	N{kgf}max.		Fa%
UH 4-	5*	0.45	2.7	1.5	4.4	{ 0.45}	30
	10*	0.5	3.8	3	8.8	{ 0.9 }
	15	0.6	8.1	4.5	13.2	{ 1.35}
	20	0.65	11.7	6	17.6	{ 1.8 }
	25	0.7	16.8	7.5	22.1	{ 2.25}
	30	0.7	16.8	9	26.5	{ 2.7 }
UH 5-	5*	0.55	3.3	1.5	4.4	{ 0.45}	30
	10	0.6	4.65	3	8.8	{ 0.9 }
	15	0.6	4.65	4.5	13.2	{ 1.35}
	20	0.75	11.81	6	17.6	{ 1.8 }
	25	0.75	11.81	7.5	22.1	{ 2.25}
	30	0.8	16	9	26.5	{ 2.7 }
	35	0.85	21.68	10.5	30.9	{ 3.15}
	40	0.85	21.68	12	35.3	{ 3.6 }
	45	0.9	28.8	13.5	39.7	{ 4.05}
UH 6-	5*	0.65	3.2	1.5	8.8	{ 0.9 }	30
	10	0.7	3.9	3	17.7	{ 1.8 }
	15	0.85	7.7	4.5	26.5	{ 2.7 }
	20	0.9	9.7	6	35.3	{ 3.6 }
	25	1.0	15.5	7.5	44.1	{ 4.5 }
	30	1.0	15.5	9	53.0	{ 5.4 }
	35	1.1	24.8	9.8	57.9	{ 5.9 }	28
	40	1.1	24.8	10	58.8	{ 6 }	25
	45	1.1	24.8	11.25	66.7	{ 6.8 }	25
	50	1.2	39.0	10	58.8	{ 6 }	20
	60	1.2	39.0	13.8	82.4	{ 8.4 }	23
	70	1.2	39.0	14.7	88.3	{ 9 }	21
UH 8-	10	0.9	5.3	3	17.7	{ 1.8 }	30
	15	0.9	5.3	4.5	26.5	{ 2.7 }
	20	1.1	11	6	35.3	{ 3.6 }
	25	1.1	11	7.5	44.1	{ 4.5 }
	30	1.2	15.9	9	53.0	{ 5.4 }
	35	1.2	15.9	10.5	61.8	{ 6.3 }
	40	1.3	23.1	12	70.6	{ 7.2 }
	45	1.3	23.1	13.5	79.4	{ 8.1 }
	50	1.4	33.3	15	88.3	{ 9 }
	60	1.4	33.3	18	105.9	{10.8 }
	70	1.5	48.0	18.9	111.8	{11.4 }	27
UH 10-	10	1.1	6.9	3	17.7	{ 1.8}	30
	15	1.1	6.9	4.5	26.5	{ 2.7}
	20	1.2	9.3	6	35.3	{ 3.6}
	25	1.2	9.3	7.5	44.1	{ 4.5}
	30	1.3	12.7	9	53.0	{ 5.4}
	35	1.4	17.5	10.5	61.8	{ 6.3}
	40	1.4	17.5	12	70.6	{ 7.2}
	45	1.5	23.8	13.5	79.4	{ 8.1}
	50	1.5	23.8	15	88.3	{ 9 }
	60	1.6	32.4	18	105.9	{10.8}
	70	1.7	44.2	21	123.6	{12.6}
UH 13-	15	1.5	9.2	4.5	44.1	{ 4.5}	30
	20	1.5	9.2	6	58.8	{ 6 }
	25	1.5	9.2	7.5	73.5	{ 7.5}
	30	1.8	18	9	88.3	{ 9 }
	35	1.8	18	10.5	103.0	{10.5}
	40	1.8	18	12	117.7	{12 }
	45	1.8	18	13.5	132.4	{13.5}
	50	2.0	28.5	15	147.0	{15 }
	60	2.1	36	18	176.5	{18 }
	70	2.2	45.1	21	205.9	{21 }
	80	2.2	45.1	20	196.1	{20 }	25
UH 16-	15	1.7	9.6	4.5	44.1	{ 4.5}	30
	20	1.9	14	6	58.8	{ 6 }
	25	1.9	14	7.5	73.5	{ 7.5}
	30	1.9	14	9	88.3	{ 9 }
	35	1.9	14	10.5	103.0	{10.5}
	40	2.2	25.1	12	117.7	{12 }
	45	2.2	25.1	13.5	132.4	{13.5}
	50	2.2	25.1	15	147.1	{15 }
	60	2.3	30.5	18	176.5	{18 }
	70	2.5	44.7	21	205.9	{21 }
	80	2.5	44.7	24	235.4	{24 }
UH 20-	25	2.3	13.8	7.5	110.8	{11.3}	30
	30	2.3	13.8	9	132.4	{13.5}
	35	2.5	18.8	10.5	154.9	{15.8}
	40	2.5	18.8	12	176.5	{18 }
	45	2.8	29.4	13.5	199.1	{20.3}
	50	2.8	29.4	15	220.6	{22.5}
	60	3	40.5	18	264.8	{27 }
	70	3	40.5	21	308.9	{31.5}
	80	3.2	54.4	24	353.0	{ 36 }

kgf (Load)=N/mm (Spring Constant) x0.101972xF (Deflection){kgf}=Nx0.101972
[ ! ]For Types marked with *, both ends are not ground.
[ ! ]The values of soild length are for reference only. There may be some variations depending on the lot.
[ ! ]Operation Frequency: One million times

■ Spring Constant
[ ! ]D12 is applicable to UY, UR, UF, UL and UBB Types only. D14 is applicable to UBB Type only.

Type

UTT

UBB

0.05{0.005}

0.2{0.02}

0.3{0.03}

0.5{0.05}

N/mm
0.05
{kgf/mm}
{0.005}

N/mm
0.098
{kgf/mm}
{0.01}

N/mm
0.29
{kgf/mm}
{0.03}

N/mm
0.49
{kgf/mm}
{0.05}

N/mm
0.98
{kgf/mm}
{0.1}

N/mm
1.5
{kgf/mm}
{0.15}

2.0{0.2}

2.9{0.3}

4.9{0.5}

N/mm
2.0
{kgf/mm}
{0.2}

N/mm
2.9
{kgf/mm}
{0.3}

N/mm
5.9
{kgf/mm}
{0.6}

N/mm
9.8
{kgf/mm}
{1.0}

N/mm
0.2
{kgf/mm}
{0.02}

N/mm
9.8
{kgf/mm}
{1.0}

N/mm
19.6
{kgf/mm}
{2.0}

0.3{0.03}

0.5{0.05}

0.98{0.1}

2.9{0.3}

3.9{0.4}

4.9{0.5}

14.7{1.5}

29.4{3.0}

Fmax.

F=Lx70%

F=LxFa%

F=Lx45%

F=Lx40%

F=LxFa%

F=L×Fa%

Alterations

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
UM6-20

Part Number	Minimum order quantity	Volume Discount	Days to Ship	RoHS	End Surface Condition	Allowable Load (Configurable Range) (N)	Max. Load (N)	Maximum Height when Loaded (Free Length, Allowable Deflection) (mm)	Free Length L (mm)	O.D. D (or D1) (φ)	Spring Constant (N/mm)	Wire diameter (φ)	Solid Length (mm)	Tolerance Change	Allowable Deflection (mm)
	1 Piece(s)	Available	Same day Stock	10	Grounded	16.01~30.00	20.6	13	20	6	2.9	0.75	7.4	-	7

Part Number

Minimum order quantity

Volume Discount

Days to Ship

RoHS

End Surface Condition

Allowable Load (Configurable Range)
(N)

Max. Load
(N)

Maximum Height when Loaded (Free Length, Allowable Deflection)
(mm)

Free Length L
(mm)

O.D. D (or D1)
(φ)

Spring Constant
(N/mm)

Wire diameter
(φ)

Solid Length
(mm)

Tolerance Change

Allowable Deflection
(mm)

1 Piece(s)

Available

Same day

Grounded

16.01~30.00

20.6

2.9

0.75

7.4

Product TOP

Basic Information

Material	Stainless Steel (SUS304-WPB)

Please check the type/dimensions/specifications of the part UM6-20 in the Round Wire Springs -Spring Constant 2.9~14.7 N/mm- series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Stock

- Stock Item Only
Clear

Specification/Dimensions

Tolerance Change
- LKC (with Tolerance Change)
Clear
type
- UH
- UM
Clear
End Surface Condition
- Grounded
- Not Grounded
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
- 230.01~580.00
Clear
Max. Load(N)
3.4

4.4

4.9

6.8

8.8

10.3

10.8

13.2

13.7

15.7

17.2

17.6

17.7

20.6

22.1

24

25.5

26.5

27.5

30.9

31.4

34.3

35.3

36.3

39.7

41.2

43.1

44.1

46.1

52

53

57.9

58.8

59.8

61.8

66.7

68.6

70.6

72.6

73.5

77.5

79.4

82.4

86.3

88.3

103

105.9

110.8

111.8

117.7

120.6

123.6

132.4

137.3

147

147.1

154.9

176.5

196.1

199.1

205.9

220.6

235.4

264.8

308.9

353
Clear
Maximum Height when Loaded (Free Length, Allowable Deflection)(mm)
3.25

3.3

3.5

6.5

7

9.75

9.8

10.5

13

14

16.25

16.3

17.5

19.5

21

22.75

22.8

24.5

25.2

26

28

29.25

30

31.5

32.5

33.75

35

39

40

42

45.5

46.2

49

50.4

51.1

52

55.3

56

60
Clear
Free Length L(mm)
5

10

15

20

25

30

35

40

45

50

60

70

80
Clear
O.D. D (or D1)(φ)
4

5

6

8

10

13

16

20
Clear
Spring Constant(N/mm)
2

2.9

4.9

5.9

9.8

14.7
Clear
Wire diameter(φ)
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

2.5

2.8

3

3.2
Clear
Solid Length(mm)
2.2

2.25

2.7

3.13

3.2

3.3

3.8

3.9

4.65

4.9

5.2

5.3

5.6

6.4

6.9

7.3

7.4

7.5

7.7

7.9

8.1

8.4

8.45

9.2

9.3

9.6

9.7

10.5

11

11.1

11.3

11.7

11.81

11.9

12

12.4

12.7

12.8

13.3

13.8

14

15

15.1

15.5

15.6

15.9

16

16.3

16.5

16.7

16.8

17.5

18

18.7

18.8

20.4

21.68

21.8

23.1

23.2

23.7

23.8

24.8

25.1

26.1

27.2

27.8

28

28.2

28.5

28.8

29.4

30.5

30.8

31.45

32.4

33.3

34.8

36

36.2

39

40.5

42

44.2

44.7

45.1

46.2

48

54.4
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

8 Days or Less

13 Days or Less
Clear

Specify Alterations

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

Products like this...

Part Number
UH10-15-LKC
UH10-20
UH10-20-LKC
UM6-20-LKC
UM6-25
UM6-25-LKC

Minimum order quantity	Volume Discount	Days to Ship	RoHS	End Surface Condition	Allowable Load (Configurable Range) (N)	Max. Load (N)	Maximum Height when Loaded (Free Length, Allowable Deflection) (mm)	Free Length L (mm)	O.D. D (or D1) (φ)	Spring Constant (N/mm)	Wire diameter (φ)	Solid Length (mm)	Tolerance Change	Allowable Deflection (mm)
1 Piece(s)	Available	13 Days or more	10	Grounded	16.01~30.00	26.5	10.5	15	10	5.9	1.1	6.9	LKC (with Tolerance Change)	4.5
1 Piece(s)	Available	8 Days or more	10	Grounded	30.01~50.00	35.3	14	20	10	5.9	1.2	9.3	-	6
1 Piece(s)	Available	13 Days or more	10	Grounded	30.01~50.00	35.3	14	20	10	5.9	1.2	9.3	LKC (with Tolerance Change)	6
1 Piece(s)	Available	13 Days or more	10	Grounded	16.01~30.00	20.6	13	20	6	2.9	0.75	7.4	LKC (with Tolerance Change)	7
1 Piece(s)	Available	Same day Stock	10	Grounded	16.01~30.00	25.5	16.3	25	6	2.9	0.85	12.8	-	8.7
1 Piece(s)	Available	13 Days or more	10	Grounded	16.01~30.00	25.5	16.3	25	6	2.9	0.85	12.8	LKC (with Tolerance Change)	8.7

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MISUMI Days to Ship : 10 Days or more
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MISUMI Days to Ship : 12 Days or more

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Round Wire Springs -Spring Constant 2.9~14.7 N/mm- (UM6-20)

(i)Caution

Specifications

Alterations

Part Number

Basic Information

Configure

Stock

Specification/Dimensions

Tolerance Change

type

End Surface Condition

Allowable Load (Configurable Range)(N)

Max. Load(N)

Maximum Height when Loaded (Free Length, Allowable Deflection)(mm)

Free Length L(mm)

O.D. D (or D1)(φ)

Spring Constant(N/mm)

Wire diameter(φ)

Solid Length(mm)

CAD

Days to Ship

Specify Alterations

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Tech Support

About This Website

About MISUMI Corporation

Contact us Monday to Friday: 8:00 am to 6:00 pm (Mexico City time)