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Part Number Complete

UY3-20

Free Length L Outer Dia. D (or D1) Height with the max. load applied ([Free Length] – [Allowable Deflection]) Spring Constant Allowable Load (Configurable Range) Max. Load Wire Dia. End Surface Status Solid Length type CAD Days to Ship

Specification/Dimensions

Free Length L(mm)
5

10

15

20

25

30

35

40

45

50

60

70

80
Clear
Outer Dia. D (or D1)(Ø)
2

3

4

5

6

8

10

12

13

16

20
Clear
Height with the max. load applied ([Free Length] – [Allowable Deflection])(mm)
1.25

1.5

2

2.5

2.75

3

3.75

4

4.5

5

5.5

6

6.25

7.5

8

8.25

8.3

8.75

9

10

10.5

11

11.25

12

12.5

13.5

13.75

13.8

14

15

16

16.5

17.5

18

19.25

19.3

20

22

23

24

24.75

25

27.5

28

29

30.1$30

32

33

38.5

44
Clear
Spring Constant(N/mm)
0.05

0.098

0.2

0.29

0.3

0.49

0.5

0.98
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
Clear
Max. Load(N)
0.15

0.18

0.29

0.34

0.35

0.37

0.44

0.49

0.53

0.59

0.66

0.7

0.74

0.88

0.9

0.98

1.05

1.1

1.18

1.23

1.3

1.4

1.47

1.5

1.58

1.75

1.77

1.8

1.84

2

2.06

2.2

2.206

2.21

2.26

2.5

2.55

2.6

2.7

2.9

2.94

2.942

3.2

3.3

3.33

3.43

3.5

3.53

3.68

4

4.4

4.41

5.1

5.15

5.3

5.49

5.5

5.88

5.9

6.2

6.3

6.6

6.62

6.7

7.1

7.35

7.4

7.6

7.65

7.7

7.8

7.9

8.8

8.83

8.9

9.8

9.9

10

10.3

10.6

10.8

11.03

11.1

11.2

11.6

11.77

11.8

12.4

12.7

13.2

13.24

13.4

14.1

14.7

15.45

15.5

17.65

17.7

19.9

20.6

22.1

23.5

26.5

30.9

35.3
Clear
Wire Dia.(Ø)
0.13

0.15

0.16

0.18

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
End Surface Status
- With Grinding
- Without Grinding
Clear
Solid Length(mm)
0.92

1.05

1.1

1.15

1.2

1.24

1.4

1.5

1.6

1.65

1.7

1.8

1.82

1.84

1.9

2

2.01

2.1

2.19

2.2

2.35

2.5

2.6

2.64

2.7

2.71

2.86

2.9

3

3.15

3.2

3.25

3.3

3.4

3.45

3.5

3.6

3.61

3.75

3.85

4.16

4.2

4.3

4.4

4.5

4.6

4.64

4.7

4.9

4.95

5

5.2

5.32

5.4

5.44

5.53

5.6

5.9

6

6.1

6.15

6.2

6.24

6.3

6.4

6.5

6.8

7

7.2

7.35

7.43

7.5

7.7

7.75

7.8

8

8.25

8.3

8.4

8.45

8.5

9.1

9.3

9.5

9.6

9.8

10.4

10.5

10.8

11

11.2

11.9

12

12.1

12.25

12.4

12.7

12.8

13.5

13.6

14

14.3

14.4

14.45

15.2

15.4

15.5

15.6

15.8

16.2

17

17.4

18

18.4

19

19.5

19.53

19.6

20.4

20.8

21

21.5

22.6

23

23.1

23.4

26

26.4

27

27.6

27.95

28

30

30.8

35

39.6
Clear
type
- UF
- UR
- UV
- UY
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

3 Day(s) or Less
Clear

Specify Alterations

Round Wire Coil Springs/Deflection 45%/O.D. Referenced (Part Number)

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UY3-20 SALE

UY3-25 SALE

UY3-30

UY4-5

UY4-10

UY4-15

UY4-20

UY4-25 SALE

UY4-30 SALE

UY5-5

UY5-10

UY5-15

UY5-20

UY5-25

UY5-30

UY5-35

UY5-40 SALE

UY6-5 SALE

UY6-10 SALE

UY6-15

UY3-20

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Qty :
Days to Ship :

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Total Price :

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Product Description

This is a standardized series so that the spring constant is constant for the same diameter.
[Features]
· UV/UY type, Maximum allowable deflection 75%
· UR type, Maximum allowable deflection 60%
· UF type, Maximum allowable deflection 40%

[ M ]Material SUS304-WPB Spring Constant ±10%

Specifications

Part Number

UY4-25
UR13-60
UF8-70

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

Part Number		d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
TypeD-L		d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
UV3-	5	0.15	1.1	3.5	0.18{0.018}	70
	10	0.18	2.5	7	0.35{0.036}
	15	0.18	2.5	10.5	0.53{0.054}
	20	0.20	3.3	14	0.70{0.071}
	25	0.23	6.2	17.5	0.88{0.089}
	30	0.23	6.2	21	1.05{0.107}
UV4-	5	0.18	1.2	3.5	0.18{0.018}
	10	0.20	1.7	7	0.35{0.036}
	15	0.23	3.0	10.5	0.53{0.054}
	20	0.23	3.0	14	0.70{0.071}
	25	0.26	4.9	17.5	0.88{0.089}
	30	0.26	4.9	21	1.05{0.107}
UV5-	5	0.20	1.2	3.5	0.18{0.018}
	10	0.23	1.8	7	0.35{0.036}
	15	0.26	2.9	10.5	0.53{0.054}
	20	0.29	4.5	14	0.70{0.071}
	25	0.29	4.5	17.5	0.88{0.089}
	30	0.29	4.5	21	1.05{0.107}
UV6-	10	0.26	2.0	7	0.35{0.036}
	15	0.30	3.3	10.5	0.53{0.054}
	20	0.30	3.3	14	0.70{0.071}
	25	0.35	6.5	17.5	0.88{0.089}
	30	0.35	6.5	21	1.05{0.107}
	35	0.35	6.5	24.5	1.23{0.125}
	40	0.35	6.5	28	1.40{0.143}
UV8-	10	0.30	1.9	7	0.35{0.036}
	15	0.35	3.2	10.5	0.53{0.054}
	20	0.35	3.2	14	0.70{0.071}
	25	0.40	5.6	17.5	0.88{0.089}
	30	0.40	5.6	21	1.05{0.107}
	35	0.40	5.6	24.5	1.23{0.125}
	40	0.45	9.3	28	1.40{0.143}
	45	0.45	9.3	31.5	1.58{0.161}
	50	0.45	9.3	35	1.75{0.179}

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

Part Number		d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
TypeD-L		d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
UY2-	5	0.13	1.5	3	0.15{0.015}	60
	10	0.13	1.5	6	0.29{0.03}
	15	0.15	2.7	9	0.44{0.045}
	20	0.15	2.7	12	0.59{0.06}
	25	0.18	6.3	15	0.74{0.075}
	30	0.18	6.3	18	0.88{0.09}
UY3-	5	0.16	0.92	3.75	0.37{0.0375}	75
	10	0.2	2	7.5	0.74{0.075}
	15	0.23	3.45	11.25	1.10{0.1125}
	20	0.23	3.45	15	1.47{0.15}
	25	0.26	6.24	15	1.47{0.15}	60
	30	0.26	6.24	18	1.77{0.18}	60
UY4-	5	0.2	1.05	3.75	0.37{0.0375}	75
	10	0.23	1.84	7.5	0.74{0.075}
	15	0.26	2.86	11.25	1.10{0.1125}
	20	0.29	4.64	15	1.47{0.15}
	25	0.3	5.4	18.75	1.84{0.1875}
	30	0.3	5.4	22.5	2.26{0.23}
UY5-	5	0.23	1.15	3.75	0.37{0.0375}	75
	10	0.26	1.82	7.5	0.74{0.075}
	15	0.3	3.15	11.25	1.10{0.1125}
	20	0.3	3.15	15	1.47{0.15}
	25	0.32	4.16	18.75	1.84{0.1875}
	30	0.32	4.16	22.5	2.26{0.23}
	35	0.35	6	26.25	2.55{0.26}
	40	0.35	6	30	2.94{0.3}
UY6-	5	0.26	1.24	3.5	0.34{0.035}	70
	10	0.3	2.1	7.5	0.74{0.075}	75
	15	0.32	2.64	11.25	1.10{0.1125}
	20	0.35	3.85	15	1.47{0.15}
	25	0.38	5.32	18.75	1.84{0.1875}
	30	0.4	6.8	22.5	2.21{0.225}
	35	0.4	6.8	26.25	2.55{0.26}
	40	0.4	6.8	30	2.94{0.3}
UY8-	10	0.35	2.19	7.5	0.74{0.075}	75
	15	0.4	3.4	11.25	1.10{0.1125}
	20	0.4	3.4	15	1.47{0.15}
	25	0.45	5.4	18.75	1.84{0.1875}
	30	0.45	5.4	22.5	2.21{0.225}
	35	0.5	8.3	26.25	2.55{0.26}
	40	0.5	8.3	30	2.94{0.3}
	45	0.5	8.3	33.75	3.33{0.34}
	50	0.55	12.7	35	3.43{0.35}	70
UY10-	10	0.5	3.25	6	1.18{0.12}	60
	15	0.5	3.25	11.25	2.21{0.225}	75
	20	0.55	4.4	15	2.94{0.3}
	25	0.55	4.4	18.75	3.68{0.375}
	30	0.6	6.15	22.5	4.41{0.45}
	35	0.6	6.3	26.25	5.10{0.52}
	40	0.6	6.3	30	5.88{0.6}
	45	0.65	8.45	33.75	6.62{0.675}
	50	0.65	8.45	37.5	7.35{0.75}
UY12-	15	0.55	3.3	11.25	2.206{0.225}	75
	20	0.55	3.3	15	2.942{0.3}
	25	0.6	4.2	18.75	3.68{0.375}
	30	0.65	5.53	22.5	4.41{0.45}
	35	0.65	5.53	26.25	5.15{0.525}
	40	0.7	7.35	30	5.88{0.6}
	45	0.7	7.35	33.75	6.62{0.675}
	50	0.7	7.35	37.5	7.35{0.75}
	60	0.8	13.6	45	8.83{0.9}
	70	0.8	13.6	52.5	10.30{1.05}
	80	0.8	13.6	60	11.77{1.2}
UY13-	15	0.6	3.75	10.5	2.06{0.21}	70
	20	0.6	3.75	15	2.94{0.3}	75
	25	0.65	4.9	18.75	3.68{0.375}
	30	0.65	4.9	22.5	4.41{0.45}
	35	0.7	6.3	26.25	5.15{0.525}
	40	0.75	8.25	30	5.88{0.6}
	45	0.75	8.25	33.75	6.62{0.675}
	50	0.8	11.2	37.5	7.35{0.75}
	60	0.8	11.2	45	8.83{0.9}
	70	0.85	14.45	52.5	10.30{1.05}
	80	0.85	14.45	60	11.77{1.2}
UY16-	15	0.7	4.2	9	1.77{0.18}	60
	20	0.7	4.2	15	2.94{0.3}	75
	25	0.7	4.2	18.75	3.68{0.375}
	30	0.75	5.44	22.5	4.41{0.45}
	35	0.8	6.8	26.25	5.15{0.525}
	40	0.8	6.8	30	5.88{0.6}
	45	0.85	8.5	33.75	6.62{0.675}
	50	0.9	10.8	37.5	7.35{0.75}
	60	0.9	10.8	45	8.83{0.9}
	70	1	17	52.5	10.30{1.05}
	80	1	17	60	11.77{1.2}
UY20-	20	0.9	5.4	12	3.53{0.36}	60
	25	0.9	5.4	18.75	5.49{0.56}	75
	30	0.9	5.4	22.5	6.62{0.675}
	35	1	7.5	26.25	7.65{0.78}
	40	1	7.5	30	8.83{0.9}
	45	1	7.5	33.75	9.90{1.01}
	50	1.1	11	37.5	11.03{1.125}
	60	1.1	11	45	13.24{1.35}
	70	1.2	15.6	52.5	15.45{1.58}
	80	1.2	15.6	60	17.65{1.8}

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

Part Number		d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
TypeD-L		d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
UR2-	5	0.18	2.0	2.5	0.49{0.05}	50
	10	0.18	2.0	5	0.98{0.1}
	15	0.23	6.0	7.5	1.5{0.15}
	20	0.23	6.0	10	2.0{0.2}
	25	0.26	11.2	12.5	2.5{0.25}
	30	0.26	11.2	15	2.9{0.3}
UR3-	5	0.23	1.6	3	0.9{0.09}	60
	10	0.25	2.1	6	1.8{0.18}
	15	0.3	4.5	9	2.6{0.27}
	20	0.3	4.5	12	3.5{0.36}
	25	0.32	6.4	15	4.4{0.45}
	30	0.32	6.4	18	5.3{0.54}
	35	0.35	9.8	21	6.2{0.63}
	40	0.35	9.8	24	7.1{0.72}
UR4-	5	0.26	1.4	3	0.9{0.09}	60
	10	0.29	2	6	1.8{0.18}
	15	0.32	3	9	2.6{0.27}
	20	0.38	6.1	12	3.5{0.36}
	25	0.38	6.1	15	4.4{0.45}
	30	0.40	8	18	5.3{0.54}
	35	0.40	8	21	6.2{0.63}
	40	0.45	14.4	24	7.1{0.72}
	45	0.45	14.4	27	7.9{0.81}
	50	0.45	14.4	30	8.8{0.9}
	60	0.5	23	36	10.6{1.08}
UR5-	5	0.3	1.65	3	0.9{0.09}	60
	10	0.35	2.71	6	1.8{0.18}
	15	0.38	3.61	9	2.6{0.27}
	20	0.38	3.61	12	3.5{0.36}
	25	0.45	7.43	15	4.4{0.45}
	30	0.45	7.43	18	5.3{0.54}
	35	0.5	12.25	21	6.2{0.63}
	40	0.5	12.25	24	7.1{0.72}
	45	0.5	12.25	27	7.9{0.81}
	50	0.55	19.53	30	8.8{0.9}
	60	0.55	19.53	36	10.6{1.08}
UR6-	5	0.32	1.5	3	0.9{0.09}	60
	10	0.4	3	6	1.8{0.18}
	15	0.4	3	9	2.6{0.27}
	20	0.5	7	12	3.5{0.36}
	25	0.5	7	15	4.4{0.45}
	30	0.5	7	18	5.3{0.54}
	35	0.55	11	21	6.2{0.63}
	40	0.55	11	24	7.1{0.72}
	45	0.6	17.4	27	7.9{0.81}
	50	0.6	17.4	30	8.8{0.9}
	60	0.65	23.4	36	10.6{1.08}
	70	0.65	23.4	42	12.4{1.26}
UR8-	10	0.45	2.6	6	1.8{0.18}	60
	15	0.5	3.6	9	2.6{0.27}
	20	0.5	3.6	12	3.5{0.36}
	25	0.55	5.9	15	4.4{0.45}
	30	0.65	10.4	18	5.3{0.54}
	35	0.65	10.4	21	6.2{0.63}
	40	0.7	15.4	24	7.1{0.72}
	45	0.75	21	22	6.3{0.66}	50
	50	0.75	21	27	7.8{0.81}	55
	60	0.8	27.6	31	8.9{0.93}	52
	70	0.8	27.6	39.9	11.6{1.20}	57
	80	0.8	27.6	48	14.1{1.44}	60
UR10-	10	0.55	3.3	6	1.8{0.18}	60
	15	0.6	4.2	9	2.6{0.27}
	20	0.65	6.2	12	3.5{0.36}
	25	0.65	6.2	15	4.4{0.45}
	30	0.7	8.4	18	5.3{0.54}
	35	0.7	8.4	21	6.2{0.63}
	40	0.7	8.4	24	7.1{0.72}
	45	0.8	15.2	27	7.9{0.81}
	50	0.8	15.2	30	8.8{0.9}
	60	0.85	20.4	36	10.6{1.08}
	70	0.85	20.4	42	12.4{1.26}
	80	0.85	20.4	48	14.1{1.44}
UR12-	15	0.6	3.5	9	2.6{0.27}	60
	20	0.7	5.6	12	3.5{0.36}
	25	0.7	5.6	15	4.4{0.45}
	30	0.8	9.6	18	5.3{0.54}
	35	0.8	9.6	21	6.2{0.63}
	40	0.8	9.6	24	7.1{0.72}
	45	0.9	16.2	27	7.9{0.81}
	50	0.9	16.2	30	8.8{0.9}
	60	0.9	16.2	36	10.6{1.08}
	70	1	26	42	12.4{1.26}
	80	1	26	48	14.1{1.44}
UR13-	15	0.7	4.7	9	2.6{0.27}	60
	20	0.7	4.7	12	3.5{0.36}
	25	0.8	8	15	4.4{0.45}
	30	0.8	8	18	5.3{0.54}
	35	0.8	8	21	6.2{0.63}
	40	0.9	12.8	24	7.1{0.72}
	45	0.9	12.8	27	7.9{0.81}
	50	0.9	12.8	30	8.8{0.9}
	60	1.0	21	36	10.6{1.08}
	70	1.0	21	42	12.4{1.26}
	80	1.0	21	48	14.1{1.44}
UR16-	15	0.75	4.3	9	2.6{0.27}	60
	20	0.8	5.4	12	3.5{0.36}
	25	0.9	7.7	15	4.4{0.45}
	30	0.9	7.7	18	5.3{0.54}
	35	1.0	12	21	6.2{0.63}
	40	1.0	12	24	7.1{0.72}
	45	1.0	12	27	7.9{0.81}
	50	1.1	19	30	8.8{0.9}
	60	1.1	19	36	10.6{1.08}
	70	1.2	26.4	42	12.4{1.26}
	80	1.2	26.4	48	14.1{1.44}
UR20-	20	1.0	6	12	5.9{0.6}	60
	25	1.1	7.7	15	7.4{0.75}
	30	1.1	7.7	18	8.8{0.9}
	35	1.2	10.8	21	10.3{1.05}
	40	1.2	10.8	24	11.8{1.2}
	45	1.3	14.3	27	13.2{1.35}
	50	1.3	14.3	30	14.7{1.5}
	60	1.4	19.6	36	17.7{1.8}
	70	1.4	19.6	42	20.6{2.1}
	80	1.5	27	48	23.5{2.4}

[ ! ]Both ends of UR Type springs are not ground.
[ ! ]The values of solid length are for reference only.
There may be some variations depending on the lot.
[ ! ]Usage Count: 1 Million Times

■UF: Fmax. (Allowable Deflection) =Lx45%

Part Number		d	Solid Length	F max.	N{kgf}max.	Unit Price
TypeD-L		d	Solid Length	F max.	N{kgf}max.	Unit Price
UF 2-	5*	0.2	2.35	2.25	0.66 {0.068}
	10*	0.2	2.35	4.5	1.3 {0.14}
	15*	0.26	7.8	6.7	2.0 {0.20}
	20*	0.26	7.8	9	2.7 {0.27}
	25*	0.29	13.6	11.2	3.3 {0.34}
	30*	0.29	13.6	13.5	4.0 {0.41}
UF 3-	5*	0.26	1.8	2.25	1.1{0.11}
	10*	0.32	4.5	4.5	2.2{0.22}
	15*	0.32	4.5	6.7	3.2{0.33}
	20*	0.35	6.3	9	4.4{0.45}
	25*	0.35	6.3	11.2	5.5{0.56}
	30*	0.4	12.4	13.5	6.6{0.67}
	35*	0.4	12.4	15.7	7.6{0.78}
	40*	0.4	12.4	18	8.8{0.9}
UF 4-	5*	0.32	2	2.25	1.1{0.11}
	10*	0.35	3	4.5	2.2{0.22}
	15*	0.4	5.2	6.7	3.2{0.33}
	20*	0.4	5.2	9	4.4{0.45}
	25*	0.45	9.5	11.2	5.5{0.56}
	30*	0.45	9.5	13.5	6.6{0.67}
	35*	0.5	15.5	15.7	7.6{0.78}
	40*	0.5	15.5	18	8.8{0.9}
	45*	0.5	15.5	20	9.8{1}
	50*	0.5	15.5	22.5	10.8{1.1}
	60*	0.55	22.6	27	12.7{1.3}
UF 5-	5*	0.35	2.01	2.25	1.1{0.11}
	10*	0.4	3.2	4.5	2.2{0.23}
	15*	0.4	3.2	6.75	3.3{0.34}
	20*	0.45	4.95	9	4.4{0.45}
	25*	0.45	4.95	11.25	5.5{0.56}
	30*	0.5	7.75	13.5	6.7{0.68}
	35*	0.5	7.75	15.75	7.7{0.79}
	40	0.6	19.5	18	8.8{0.9}
	45	0.6	19.5	20.25	10{1.01}
	50	0.6	19.5	22.5	11.2{1.13}
	60	0.65	27.95	27	13.4{1.35}
UF 6-	5*	0.4	2.2	2.25	1.1{0.11}
	10*	0.5	5	4.5	2.2{0.22}
	15*	0.55	7.7	6.7	3.2{0.33}
	20*	0.55	7.7	9	4.4{0.45}
	25	0.6	10.8	11.2	5.5{0.56}
	30	0.65	15.6	13.5	6.6{0.67}
	35	0.65	15.6	15.7	7.6{0.78}
	40	0.65	15.6	18	8.8{0.9}
	45	0.65	15.6	20	9.8{1}
	50	0.7	23.1	22.5	10.8{1.1}
	60	0.7	23.1	27	12.7{1.3}
	70	0.75	30.8	31.5	14.7{1.5}
UF 8-	10	0.6	5.4	4.5	2.2{0.22}
	15	0.65	7.2	6.7	3.2{0.33}
	20	0.7	10.5	9	4.4{0.45}
	25	0.7	10.5	11.2	5.5{0.56}
	30	0.75	13.5	13.5	6.6{0.67}
	35	0.75	13.5	15.7	7.6{0.78}
	40	0.8	18.4	18	8.8{0.9}
	45	0.8	18.4	20	9.8{1}
	50	0.8	18.4	22.5	10.8{1.1}
	60	0.85	26.4	27	12.7{1.3}
	70	0.85	26.4	31.5	14.7{1.5}
	80	0.85	26.4	36	17.7{1.8}
UF10-	10	0.65	4.6	4.5	2.2{0.22}
	15	0.65	4.6	6.7	3.2{0.33}
	20	0.8	9.6	9	4.4{0.45}
	25	0.8	9.6	11.2	5.5{0.56}
	30	0.85	12.8	13.5	6.6{0.67}
	35	0.85	12.8	15.7	7.6{0.78}
	40	0.9	17	18	8.8{0.9}
	45	0.9	17	20	9.8{1}
	50	0.9	17	22.5	10.8{1.1}
	60	1.0	28	27	12.7{1.3}
	70	1.0	28	31.5	14.7{1.5}
	80	1.0	28	36	17.7{1.8}
UF12-	15	0.8	6.8	6.7	3.2{0.33}
	20	0.8	6.8	9	4.4{0.45}
	25	0.8	6.8	11.2	5.5{0.56}
	30	0.9	10.8	13.5	6.6{0.67}
	35	1.0	17	15.7	7.6{0.78}
	40	1.0	17	18	8.8{0.9}
	45	1.0	17	20	9.8{1}
	50	1.1	26.4	22.5	10.8{1.1}
	60	1.1	26.4	27	12.7{1.3}
	70	1.1	26.4	31.5	14.7{1.5}
	80	1.2	39.6	36	17.7{1.8}
UF13-	15	0.8	5.6	6.7	3.2{0.33}
	20	0.8	5.6	9	4.4{0.45}
	25	0.85	7.2	11.2	5.5{0.56}
	30	1.0	14	13.5	6.6{0.67}
	35	1.0	14	15.7	7.6{0.78}
	40	1.0	14	18	8.8{0.9}
	45	1.1	21.5	20	9.8{1}
	50	1.1	21.5	22.5	10.8{1.1}
	60	1.1	21.5	27	12.7{1.3}
	70	1.2	30	31.5	14.7{1.5}
	80	1.2	30	36	17.7{1.8}
UF16-	15	0.9	5.6	6.7	3.2{0.33}
	20	1.0	7.7	9	4.4{0.45}
	25	1.0	7.7	11.2	5.5{0.56}
	30	1.1	12.1	13.5	6.6{0.67}
	35	1.1	12.1	15.7	7.6{0.78}
	40	1.2	18	18	8.8{0.9}
	45	1.2	18	20	9.8{1}
	50	1.2	18	22.5	10.8{1.1}
	60	1.3	26	27	12.7{1.3}
	70	1.3	26	31.5	14.7{1.5}
	80	1.4	35	36	17.7{1.8}
UF20-	20	1.2	7.2	9	8.8{0.9}
	25	1.3	9.1	11.25	11.1{1.13}
	30	1.4	11.9	13.5	13.2{1.35}
	35	1.4	11.9	15.75	15.5{1.58}
	40	1.5	15.8	18	17.7{1.8}
	45	1.5	15.8	20.25	19.9{2.03}
	50	1.6	20.8	22.5	22.1{2.25}
	60	1.6	20.8	27	26.5{2.7}
	70	1.7	26.4	31.5	30.9{3.15}
	80	1.7	26.4	36	35.3{3.6}

kgf (Load)=N/mm (Spring Constant) x0.101972xF (Deflection)
{kgf}=Nx0.101972
[ ! ]Both ends of * marked UF Type springs are not ground.
[ ! ]The values of solid length are for reference only.
There may be some variations depending on the lot.
[ ! ]Usage Count: 1 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}

1.5{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=Lx75%

F=Lx60%

F=Lx45%

F=Lx40%

F=Lx35%

F=Lx30%

F=Lx25%

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 60; 90

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Part Number
UY3-20SALE
UY3-25SALE
UY3-30
UY4-5
UY4-10
UY4-15
UY4-20
UY4-25SALE
UY4-30SALE
UY5-5
UY5-10
UY5-15
UY5-20
UY5-25
UY5-30
UY5-35
UY5-40SALE
UY6-5SALE
UY6-10SALE
UY6-15
UY6-20
UY6-25
UY6-30
UY6-35
UY6-40
UY8-10
UY8-15
UY8-20
UY8-25
UY8-30
UY8-35
UY8-40
UY8-45
UY8-50
UY10-10
UY10-15
UY10-20
UY10-25
UY10-30
UY10-35
UY10-40
UY10-45
UY10-50
UY12-15
UY12-20
UY12-25
UY12-30
UY12-35
UY12-40SALE
UY12-45
UY12-50
UY12-60SALE
UY12-70SALE
UY12-80
UY13-15
UY13-20
UY13-25
UY13-30
UY13-35
UY13-40
UY13-45
UY13-50
UY13-60
UY13-70SALE
UY13-80
UY16-15
UY16-20
UY16-25
UY16-30SALE
UY16-35SALE
UY16-40SALE
UY16-45
UY16-50
UY16-60
UY16-70
UY16-80
UY20-20SALE
UY20-25
UY20-30
UY20-35SALE
UY20-40
UY20-45
UY20-50
UY20-60
UY20-70SALE
UY20-80

Price	Name	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Free Length L (mm)	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)	Allowable Deflection (mm)
฿ 65.97 ฿ 10.41	SPRING	1 Piece(s)		Same day	10	20	3	5	0.098	~1.50	1.47	0.23	Without Grinding	3.45	15
฿ 68.25 ฿ 12.44	SPRING	1 Piece(s)		Same day	10	25	3	10	0.098	~1.50	1.47	0.26	Without Grinding	6.24	15
฿ 68.25	SPRING	1 Piece(s)	Available	3 Day(s)	10	30	3	12	0.098	1.51~4.50	1.77	0.26	Without Grinding	6.24	18
฿ 72.80	SPRING	1 Piece(s)		Same day	10	5	4	1.25	0.098	~1.50	0.37	0.2	Without Grinding	1.05	3.75
฿ 72.80	SPRING	1 Piece(s)	Available	Same day	10	10	4	2.5	0.098	~1.50	0.74	0.23	Without Grinding	1.84	7.5
฿ 72.80	SPRING	1 Piece(s)	Available	Same day	10	15	4	3.75	0.098	~1.50	1.1	0.26	Without Grinding	2.86	11.25
฿ 72.80	SPRING	1 Piece(s)	Available	Same day	10	20	4	5	0.098	~1.50	1.47	0.29	Without Grinding	4.64	15
฿ 68.25 ฿ 17.49	SPRING	1 Piece(s)		Same day	10	25	4	6.25	0.098	1.51~4.50	1.84	0.3	Without Grinding	5.4	18.75
฿ 72.80 ฿ 10.72	SPRING	1 Piece(s)		Same day	10	30	4	7.5	0.098	1.51~4.50	2.26	0.3	Without Grinding	5.4	22.5
฿ 77.35	SPRING	1 Piece(s)		Same day	10	5	5	1.25	0.098	~1.50	0.37	0.23	Without Grinding	1.15	3.75
฿ 93.27	SPRING	1 Piece(s)		Same day	10	10	5	2.5	0.098	~1.50	0.74	0.26	Without Grinding	1.82	7.5
฿ 93.27	SPRING	1 Piece(s)	Available	Same day	10	15	5	3.75	0.098	~1.50	1.1	0.3	Without Grinding	3.15	11.25
฿ 93.28	SPRING	1 Piece(s)	Available	Same day	10	20	5	5	0.098	~1.50	1.47	0.3	Without Grinding	3.15	15
฿ 93.27	SPRING	1 Piece(s)	Available	Same day	10	25	5	6.25	0.098	1.51~4.50	1.84	0.32	Without Grinding	4.16	18.75
฿ 86.45	SPRING	1 Piece(s)	Available	Same day	10	30	5	7.5	0.098	1.51~4.50	2.26	0.32	Without Grinding	4.16	22.5
฿ 91.00	SPRING	1 Piece(s)		Same day	10	35	5	8.75	0.098	1.51~4.50	2.55	0.35	Without Grinding	6	26.25
฿ 91.00 ฿ 20.42	SPRING	1 Piece(s)		Same day	10	40	5	10	0.098	1.51~4.50	2.94	0.35	Without Grinding	6	30
฿ 97.82 ฿ 14.06	SPRING	1 Piece(s)		Same day	10	5	6	1.5	0.098	~1.50	0.34	0.26	Without Grinding	1.24	3.5
฿ 97.82 ฿ 12.62	SPRING	1 Piece(s)		Same day	10	10	6	2.5	0.098	~1.50	0.74	0.3	Without Grinding	2.1	7.5
฿ 97.82	SPRING	1 Piece(s)	Available	Same day	10	15	6	3.75	0.098	~1.50	1.1	0.32	Without Grinding	2.64	11.25
฿ 97.82	SPRING	1 Piece(s)	Available	Same day	10	20	6	5	0.098	~1.50	1.47	0.35	Without Grinding	3.85	15
฿ 97.82	SPRING	1 Piece(s)	Available	Same day	10	25	6	6.25	0.098	1.51~4.50	1.84	0.38	Without Grinding	5.32	18.75
฿ 97.82	SPRING	1 Piece(s)	Available	Same day	10	30	6	7.5	0.098	1.51~4.50	2.21	0.4	Without Grinding	6.8	22.5
฿ 109.20	SPRING	1 Piece(s)		Same day	10	35	6	8.75	0.098	1.51~4.50	2.55	0.4	Without Grinding	6.8	26.25
฿ 109.20	SPRING	1 Piece(s)	Available	Same day	10	40	6	10	0.098	1.51~4.50	2.94	0.4	Without Grinding	6.8	30
฿ 102.37	SPRING	1 Piece(s)	Available	Same day	10	10	8	2.5	0.098	~1.50	0.74	0.35	Without Grinding	2.19	7.5
฿ 102.37	SPRING	1 Piece(s)	Available	Same day	10	15	8	3.75	0.098	~1.50	1.1	0.4	Without Grinding	3.4	11.25
฿ 102.37	SPRING	1 Piece(s)	Available	Same day	10	20	8	5	0.098	~1.50	1.47	0.4	Without Grinding	3.4	15
฿ 102.37	SPRING	1 Piece(s)	Available	Same day	10	25	8	6.25	0.098	1.51~4.50	1.84	0.45	Without Grinding	5.4	18.75
฿ 102.37	SPRING	1 Piece(s)	Available	Same day	10	30	8	7.5	0.098	1.51~4.50	2.21	0.45	Without Grinding	5.4	22.5
฿ 131.95	SPRING	1 Piece(s)	Available	Same day	10	35	8	8.75	0.098	1.51~4.50	2.55	0.5	Without Grinding	8.3	26.25
฿ 131.95	SPRING	1 Piece(s)	Available	Same day	10	40	8	10	0.098	1.51~4.50	2.94	0.5	Without Grinding	8.3	30
฿ 131.95	SPRING	1 Piece(s)		3 Day(s)	10	45	8	11.25	0.098	1.51~4.50	3.33	0.5	Without Grinding	8.3	33.75
฿ 118.30	SPRING	1 Piece(s)	Available	Same day	10	50	8	15	0.098	1.51~4.50	3.43	0.55	Without Grinding	12.7	35
฿ 100.10	SPRING	1 Piece(s)	Available	Same day	10	10	10	4	0.2	~1.50	1.18	0.5	Without Grinding	3.25	6
฿ 106.92	SPRING	1 Piece(s)	Available	Same day	10	15	10	3.75	0.2	1.51~4.50	2.21	0.5	Without Grinding	3.25	11.25
฿ 106.92	SPRING	1 Piece(s)	Available	Same day	10	20	10	5	0.2	1.51~4.50	2.94	0.55	Without Grinding	4.4	15
฿ 106.92	SPRING	1 Piece(s)	Available	Same day	10	25	10	6.25	0.2	1.51~4.50	3.68	0.55	Without Grinding	4.4	18.75
฿ 109.20	SPRING	1 Piece(s)	Available	Same day	10	30	10	7.5	0.2	1.51~4.50	4.41	0.6	Without Grinding	6.15	22.5
฿ 127.40	SPRING	1 Piece(s)	Available	Same day	10	35	10	8.75	0.2	4.51~8.50	5.1	0.6	Without Grinding	6.3	26.25
฿ 127.40	SPRING	1 Piece(s)	Available	Same day	10	40	10	10	0.2	4.51~8.50	5.88	0.6	Without Grinding	6.3	30
฿ 127.40	SPRING	1 Piece(s)	Available	Same day	10	45	10	11.25	0.2	4.51~8.50	6.62	0.65	Without Grinding	8.45	33.75
฿ 145.60	SPRING	1 Piece(s)		Same day	10	50	10	12.5	0.2	4.51~8.50	7.35	0.65	Without Grinding	8.45	37.5
฿ 154.70	SPRING	1 Piece(s)	Available	Same day	10	15	12	3.75	0.2	1.51~4.50	2.206	0.55	Without Grinding	3.3	11.25
฿ 154.70	SPRING	1 Piece(s)		Same day	10	20	12	5	0.2	1.51~4.50	2.942	0.55	Without Grinding	3.3	15
฿ 154.70	SPRING	1 Piece(s)	Available	Same day	10	25	12	6.25	0.2	1.51~4.50	3.68	0.6	Without Grinding	4.2	18.75
฿ 154.70	SPRING	1 Piece(s)	Available	Same day	10	30	12	7.5	0.2	1.51~4.50	4.41	0.65	Without Grinding	5.53	22.5
฿ 161.53	SPRING	1 Piece(s)	Available	Same day	10	35	12	8.75	0.2	4.51~8.50	5.15	0.65	Without Grinding	5.53	26.25
฿ 161.53 ฿ 22.21	SPRING	1 Piece(s)		Same day	10	40	12	10	0.2	4.51~8.50	5.88	0.7	Without Grinding	7.35	30
฿ 161.53	SPRING	1 Piece(s)	Available	Same day	10	45	12	11.25	0.2	4.51~8.50	6.62	0.7	Without Grinding	7.35	33.75
฿ 161.53	SPRING	1 Piece(s)	Available	Same day	10	50	12	12.5	0.2	4.51~8.50	7.35	0.7	Without Grinding	7.35	37.5
฿ 170.63 ฿ 20.83	SPRING	1 Piece(s)		Same day	10	60	12	15	0.2	8.51~16.00	8.83	0.8	Without Grinding	13.6	45
฿ 186.55 ฿ 26.10	SPRING	1 Piece(s)		Same day	10	70	12	17.5	0.2	8.51~16.00	10.3	0.8	Without Grinding	13.6	52.5
฿ 186.55	SPRING	1 Piece(s)	Available	Same day	10	80	12	20	0.2	8.51~16.00	11.77	0.8	Without Grinding	13.6	60
฿ 131.95	SPRING	1 Piece(s)	Available	Same day	10	15	13	4.5	0.2	1.51~4.50	2.06	0.6	Without Grinding	3.75	10.5
฿ 131.95	SPRING	1 Piece(s)	Available	Same day	10	20	13	5	0.2	1.51~4.50	2.94	0.6	Without Grinding	3.75	15
฿ 131.95	SPRING	1 Piece(s)	Available	Same day	10	25	13	6.25	0.2	1.51~4.50	3.68	0.65	Without Grinding	4.9	18.75
฿ 136.50	SPRING	1 Piece(s)	Available	Same day	10	30	13	7.5	0.2	1.51~4.50	4.41	0.65	Without Grinding	4.9	22.5
฿ 136.50	SPRING	1 Piece(s)	Available	3 Day(s)	10	35	13	8.75	0.2	4.51~8.50	5.15	0.7	Without Grinding	6.3	26.25
฿ 136.50	SPRING	1 Piece(s)	Available	Same day	10	40	13	10	0.2	4.51~8.50	5.88	0.75	Without Grinding	8.25	30
฿ 136.50	SPRING	1 Piece(s)	Available	3 Day(s)	10	45	13	11.25	0.2	4.51~8.50	6.62	0.75	Without Grinding	8.25	33.75
฿ 150.15	SPRING	1 Piece(s)	Available	Same day	10	50	13	12.5	0.2	4.51~8.50	7.35	0.8	Without Grinding	11.2	37.5
฿ 150.15	SPRING	1 Piece(s)	Available	Same day	10	60	13	15	0.2	8.51~16.00	8.83	0.8	Without Grinding	11.2	45
฿ 168.35 ฿ 20.34	SPRING	1 Piece(s)		Same day	10	70	13	17.5	0.2	8.51~16.00	10.3	0.85	Without Grinding	14.45	52.5
฿ 168.35	SPRING	1 Piece(s)	Available	Same day	10	80	13	20	0.2	8.51~16.00	11.77	0.85	Without Grinding	14.45	60
฿ 141.05	SPRING	1 Piece(s)	Available	Same day	10	15	16	6	0.2	1.51~4.50	1.77	0.7	Without Grinding	4.2	9
฿ 141.05	SPRING	1 Piece(s)	Available	Same day	10	20	16	5	0.2	1.51~4.50	2.94	0.7	Without Grinding	4.2	15
฿ 141.05	SPRING	1 Piece(s)		Same day	10	25	16	6.25	0.2	1.51~4.50	3.68	0.7	Without Grinding	4.2	18.75
฿ 141.05 ฿ 18.15	SPRING	1 Piece(s)		Same day	10	30	16	7.5	0.2	1.51~4.50	4.41	0.75	Without Grinding	5.44	22.5
฿ 145.60 ฿ 21.40	SPRING	1 Piece(s)		Same day	10	35	16	8.75	0.2	4.51~8.50	5.15	0.8	Without Grinding	6.8	26.25
฿ 145.60 ฿ 31.33	SPRING	1 Piece(s)		Same day	10	40	16	10	0.2	4.51~8.50	5.88	0.8	Without Grinding	6.8	30
฿ 145.60	SPRING	1 Piece(s)	Available	Same day	10	45	16	11.25	0.2	4.51~8.50	6.62	0.85	Without Grinding	8.5	33.75
฿ 145.60	SPRING	1 Piece(s)	Available	Same day	10	50	16	12.5	0.2	4.51~8.50	7.35	0.9	Without Grinding	10.8	37.5
฿ 154.70	SPRING	1 Piece(s)		Same day	10	60	16	15	0.2	8.51~16.00	8.83	0.9	Without Grinding	10.8	45
฿ 191.10	SPRING	1 Piece(s)	Available	Same day	10	70	16	17.5	0.2	8.51~16.00	10.3	1	Without Grinding	17	52.5
฿ 191.10	SPRING	1 Piece(s)	Available	Same day	10	80	16	20	0.2	8.51~16.00	11.77	1	Without Grinding	17	60
฿ 163.80 ฿ 22.33	SPRING	1 Piece(s)		Same day	10	20	20	8	0.3	1.51~4.50	3.53	0.9	Without Grinding	5.4	12
฿ 163.80	SPRING	1 Piece(s)		Same day	10	25	20	6.25	0.3	4.51~8.50	5.49	0.9	Without Grinding	5.4	18.75
฿ 163.80	SPRINGS	1 Piece(s)	Available	Same day	10	30	20	7.5	0.3	4.51~8.50	6.62	0.9	Without Grinding	5.4	22.5
฿ 168.35 ฿ 33.22	SPRING	1 Piece(s)		Same day	10	35	20	8.75	0.3	4.51~8.50	7.65	1	Without Grinding	7.5	26.25
฿ 197.92	SPRING	1 Piece(s)		Same day	10	40	20	10	0.3	8.51~16.00	8.83	1	Without Grinding	7.5	30
฿ 168.35	SPRING	1 Piece(s)		Same day	10	45	20	11.25	0.3	8.51~16.00	9.9	1	Without Grinding	7.5	33.75
฿ 168.35	SPRING	1 Piece(s)	Available	3 Day(s)	10	50	20	12.5	0.3	8.51~16.00	11.03	1.1	Without Grinding	11	37.5
฿ 207.02	SPRING	1 Piece(s)	Available	3 Day(s)	10	60	20	15	0.3	8.51~16.00	13.24	1.1	Without Grinding	11	45
฿ 222.95 ฿ 28.38	SPRING	1 Piece(s)		Same day	10	70	20	17.5	0.3	8.51~16.00	15.45	1.2	Without Grinding	15.6	52.5
฿ 222.95	SPRING	1 Piece(s)	Available	Same day	10	80	20	20	0.3	16.01~30.00	17.65	1.2	Without Grinding	15.6	60