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Part Number Complete

UF3-25

Free Length L Outer Dia. D (or D1) Height with the max. load applied ([Free Length] – [Allowable Deflection]) Spring Constant Max. Load Wire Dia. End Surface Status Solid Length type Allowable Load (Configurable Range) 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
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
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
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

6 Day(s) or Less

7 Day(s) or Less
Clear

Specify Alterations

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

Volume Discount

Brand :

Part Number :

UF3-25

UF3-30

UF3-35

UF4-25

UF4-30

UF5-25

UF5-30

UF5-35

UF6-25

UF6-30

UF6-35

UF8-25

UF8-30

UF8-35

UF10-25

UF10-30

UF10-35

UF12-25

UF12-30

UF12-35

UF3-25

Order Qty :
Total Price :

---
Days to ship :

---

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CAD Download

(i)
Caution

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

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

Part Number
UF3-25
UF3-30
UF3-35
UF4-25
UF4-30
UF5-25
UF5-30
UF5-35
UF6-25
UF6-30
UF6-35
UF8-25
UF8-30
UF8-35
UF10-25
UF10-30
UF10-35
UF12-25
UF12-30
UF12-35
UF13-25
UF13-30
UF13-35
UF16-25
UF16-30
UF16-35
UR3-30
UR3-35
UR3-40
UR4-30
UR4-35
UR4-40
UR4-45
UR5-30
UR5-35
UR5-40
UR5-45
UR6-30
UR6-35
UR6-40
UR6-45
UR8-30
UR8-35
UR8-40
UR8-45
UR10-30
UR10-35
UR10-40
UR10-45
UR12-25
UR12-30
UR12-35
UR13-35
UR13-40
UR13-45
UR16-30
UR16-35
UR16-40
UR16-45
UR20-20
UR20-25
UY10-35
UY10-40
UY10-45
UY10-50
UY12-35
UY12-40
UY12-45
UY12-50
UY13-35
UY13-40
UY13-45
UY13-50
UY16-35
UY16-40
UY16-45
UY16-50
UY20-25
UY20-30
UY20-35

Price	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)
₹ 156.23	1 Piece(s)	Available	Same day	10	25	3	13.8	0.49	4.51~8.50	5.5	0.35	Without Grinding	6.3	11.2
₹ 154.55	1 Piece(s)	Available	Same day	10	30	3	16.5	0.49	4.51~8.50	6.6	0.4	Without Grinding	12.4	13.5
₹ 154.55	1 Piece(s)	Available	6 Day(s) or more	10	35	3	19.3	0.49	4.51~8.50	7.6	0.4	Without Grinding	12.4	15.7
₹ 148.00	1 Piece(s)	Available	Same day	10	25	4	13.8	0.49	4.51~8.50	5.5	0.45	Without Grinding	9.5	11.2
₹ 163.17	1 Piece(s)	Available	Same day	10	30	4	16.5	0.49	4.51~8.50	6.6	0.45	Without Grinding	9.5	13.5
₹ 171.10	1 Piece(s)	Available	Same day	10	25	5	13.75	0.49	4.51~8.50	5.5	0.45	Without Grinding	4.95	11.25
₹ 161.00	1 Piece(s)	Available	Same day	10	30	5	16.5	0.49	4.51~8.50	6.7	0.5	Without Grinding	7.75	13.5
₹ 171.10	1 Piece(s)	Available	Same day	10	35	5	19.25	0.49	4.51~8.50	7.7	0.5	Without Grinding	7.75	15.75
₹ 170.80	1 Piece(s)	Available	Same day	10	25	6	13.8	0.49	4.51~8.50	5.5	0.6	With Grinding	10.8	11.2
₹ 170.80	1 Piece(s)	Available	Same day	10	30	6	16.5	0.49	4.51~8.50	6.6	0.65	With Grinding	15.6	13.5
₹ 171.10	1 Piece(s)	Available	Same day	10	35	6	19.3	0.49	4.51~8.50	7.6	0.65	With Grinding	15.6	15.7
₹ 198.70	1 Piece(s)	Available	Same day	10	25	8	13.8	0.49	4.51~8.50	5.5	0.7	With Grinding	10.5	11.2
₹ 199.00	1 Piece(s)	Available	Same day	10	30	8	16.5	0.49	4.51~8.50	6.6	0.75	With Grinding	13.5	13.5
₹ 198.70	1 Piece(s)	Available	Same day	10	35	8	19.3	0.49	4.51~8.50	7.6	0.75	With Grinding	13.5	15.7
₹ 209.74	1 Piece(s)	Available	Same day	10	25	10	13.8	0.49	4.51~8.50	5.5	0.8	With Grinding	9.6	11.2
₹ 209.74	1 Piece(s)	Available	Same day	10	30	10	16.5	0.49	4.51~8.50	6.6	0.85	With Grinding	12.8	13.5
₹ 209.74	1 Piece(s)	Available	Same day	10	35	10	19.3	0.49	4.51~8.50	7.6	0.85	With Grinding	12.8	15.7
₹ 386.37	1 Piece(s)	Available	Same day	10	25	12	13.8	0.49	4.51~8.50	5.5	0.8	With Grinding	6.8	11.2
₹ 101.18	1 Piece(s)	Available	Same day	10	30	12	16.5	0.49	4.51~8.50	6.6	0.9	With Grinding	10.8	13.5
₹ 402.92	1 Piece(s)	Available	Same day	10	35	12	19.3	0.49	4.51~8.50	7.6	1	With Grinding	17	15.7
₹ 220.78	1 Piece(s)	Available	Same day	10	25	13	13.8	0.49	4.51~8.50	5.5	0.85	With Grinding	7.2	11.2
₹ 220.78	1 Piece(s)	Available	Same day	10	30	13	16.5	0.49	4.51~8.50	6.6	1	With Grinding	14	13.5
₹ 220.78	1 Piece(s)	Available	Same day	10	35	13	19.3	0.49	4.51~8.50	7.6	1	With Grinding	14	15.7
₹ 271.00	1 Piece(s)	Available	Same day	10	25	16	13.8	0.49	4.51~8.50	5.5	1	With Grinding	7.7	11.2
₹ 270.45	1 Piece(s)	Available	Same day	10	30	16	16.5	0.49	4.51~8.50	6.6	1.1	With Grinding	12.1	13.5
₹ 270.46	1 Piece(s)	Available	Same day	10	35	16	19.3	0.49	4.51~8.50	7.6	1.1	With Grinding	12.1	15.7
₹ 154.55	1 Piece(s)	Available	Same day	10	30	3	12	0.29	4.51~8.50	5.3	0.32	Without Grinding	6.4	18
₹ 154.55	1 Piece(s)	Available	6 Day(s) or more	10	35	3	14	0.29	4.51~8.50	6.2	0.35	Without Grinding	9.8	21
₹ 155.00	1 Piece(s)	Available	Same day	10	40	3	16	0.29	4.51~8.50	7.1	0.35	Without Grinding	9.8	24
₹ 163.17	1 Piece(s)	Available	Same day	10	30	4	12	0.29	4.51~8.50	5.3	0.4	Without Grinding	8	18
₹ 160.07	1 Piece(s)	Available	Same day	10	35	4	14	0.29	4.51~8.50	6.2	0.4	Without Grinding	8	21
₹ 160.07	1 Piece(s)	Available	Same day	10	40	4	16	0.29	4.51~8.50	7.1	0.45	Without Grinding	14.4	24
₹ 160.07	1 Piece(s)	Available	6 Day(s) or more	10	45	4	18	0.29	4.51~8.50	7.9	0.45	Without Grinding	14.4	27
₹ 170.00	1 Piece(s)	Available	Same day	10	30	5	12	0.29	4.51~8.50	5.3	0.45	Without Grinding	7.43	18
₹ 158.00	1 Piece(s)	Available	Same day	10	35	5	14	0.29	4.51~8.50	6.2	0.5	Without Grinding	12.25	21
₹ 171.10	1 Piece(s)	Available	Same day	10	40	5	16	0.29	4.51~8.50	7.1	0.5	Without Grinding	12.25	24
₹ 171.10	1 Piece(s)	Available	Same day	10	45	5	18	0.29	4.51~8.50	7.9	0.5	Without Grinding	12.25	27
₹ 171.10	1 Piece(s)	Available	Same day	10	30	6	12	0.29	4.51~8.50	5.3	0.5	Without Grinding	7	18
₹ 171.10	1 Piece(s)	Available	Same day	10	35	6	14	0.29	4.51~8.50	6.2	0.55	Without Grinding	11	21
₹ 171.10	1 Piece(s)	Available	Same day	10	40	6	16	0.29	4.51~8.50	7.1	0.55	Without Grinding	11	24
₹ 171.10	1 Piece(s)	Available	Same day	10	45	6	18	0.29	4.51~8.50	7.9	0.6	Without Grinding	17.4	27
₹ 198.70	1 Piece(s)	Available	Same day	10	30	8	12	0.29	4.51~8.50	5.3	0.65	Without Grinding	10.4	18
₹ 199.00	1 Piece(s)	Available	Same day	10	35	8	14	0.29	4.51~8.50	6.2	0.65	Without Grinding	10.4	21
₹ 198.70	1 Piece(s)	Available	Same day	10	40	8	16	0.29	4.51~8.50	7.1	0.7	Without Grinding	15.4	24
₹ 198.70	1 Piece(s)	Available	Same day	10	45	8	23	0.29	4.51~8.50	6.3	0.75	Without Grinding	21	22
₹ 168.00	1 Piece(s)	Available	Same day	10	30	10	12	0.29	4.51~8.50	5.3	0.7	Without Grinding	8.4	18
₹ 209.74	1 Piece(s)	Available	Same day	10	35	10	14	0.29	4.51~8.50	6.2	0.7	Without Grinding	8.4	21
₹ 209.74	1 Piece(s)	Available	Same day	10	40	10	16	0.29	4.51~8.50	7.1	0.7	Without Grinding	8.4	24
₹ 210.00	1 Piece(s)	Available	Same day	10	45	10	18	0.29	4.51~8.50	7.9	0.8	Without Grinding	15.2	27
₹ 264.94	1 Piece(s)	Available	Same day	10	25	12	13.8	0.29	4.51~8.50	5.5	0.7	Without Grinding	5.6	11.2
₹ 264.94	1 Piece(s)	Available	Same day	10	30	12	16.5	0.29	4.51~8.50	6.6	0.8	Without Grinding	9.6	13.5
₹ 275.98	1 Piece(s)	Available	Same day	10	35	12	19.3	0.29	4.51~8.50	7.6	0.8	Without Grinding	9.6	15.7
₹ 220.78	1 Piece(s)	Available	Same day	10	35	13	14	0.29	4.51~8.50	6.2	0.8	Without Grinding	8	21
₹ 50.00	1 Piece(s)	Available	6 Day(s) or more	10	40	13	16	0.29	4.51~8.50	7.1	0.9	Without Grinding	12.8	24
₹ 220.78	1 Piece(s)	Available	Same day	10	45	13	18	0.29	4.51~8.50	7.9	0.9	Without Grinding	12.8	27
₹ 275.98	1 Piece(s)	Available	Same day	10	30	16	12	0.29	4.51~8.50	5.3	0.9	Without Grinding	7.7	18
₹ 275.98	1 Piece(s)	Available	6 Day(s) or more	10	35	16	14	0.29	4.51~8.50	6.2	1	Without Grinding	12	21
₹ 275.98	1 Piece(s)	Available	Same day	10	40	16	16	0.29	4.51~8.50	7.1	1	Without Grinding	12	24
₹ 275.98	1 Piece(s)	Available	Same day	10	45	16	18	0.29	4.51~8.50	7.9	1	Without Grinding	12	27
₹ 325.65	1 Piece(s)	Available	Same day	10	20	20	8	0.5	4.51~8.50	5.9	1	Without Grinding	6	12
₹ 325.65	1 Piece(s)	Available	Same day	10	25	20	10	0.5	4.51~8.50	7.4	1.1	Without Grinding	7.7	15
₹ 309.09	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
₹ 309.09	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
₹ 309.09	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
₹ 309.09	1 Piece(s)	Available	Same day	10	50	10	12.5	0.2	4.51~8.50	7.35	0.65	Without Grinding	8.45	37.5
₹ 391.88	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
₹ 391.88	1 Piece(s)	Available	Same day	10	40	12	10	0.2	4.51~8.50	5.88	0.7	Without Grinding	7.35	30
₹ 391.88	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
₹ 391.88	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
₹ 331.17	1 Piece(s)	Available	Same day	10	35	13	8.75	0.2	4.51~8.50	5.15	0.7	Without Grinding	6.3	26.25
₹ 331.17	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
₹ 331.17	1 Piece(s)	Available	Same day	10	45	13	11.25	0.2	4.51~8.50	6.62	0.75	Without Grinding	8.25	33.75
₹ 364.29	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
₹ 353.25	1 Piece(s)	Available	Same day	10	35	16	8.75	0.2	4.51~8.50	5.15	0.8	Without Grinding	6.8	26.25
₹ 353.25	1 Piece(s)	Available	Same day	10	40	16	10	0.2	4.51~8.50	5.88	0.8	Without Grinding	6.8	30
₹ 353.25	1 Piece(s)	Available	6 Day(s) or more	10	45	16	11.25	0.2	4.51~8.50	6.62	0.85	Without Grinding	8.5	33.75
₹ 353.25	1 Piece(s)	Available	6 Day(s) or more	10	50	16	12.5	0.2	4.51~8.50	7.35	0.9	Without Grinding	10.8	37.5
₹ 397.40	1 Piece(s)	Available	6 Day(s) or more	10	25	20	6.25	0.3	4.51~8.50	5.49	0.9	Without Grinding	5.4	18.75
₹ 397.40	1 Piece(s)	Available	6 Day(s) or more	10	30	20	7.5	0.3	4.51~8.50	6.62	0.9	Without Grinding	5.4	22.5
₹ 408.44	1 Piece(s)	Available	Same day	10	35	20	8.75	0.3	4.51~8.50	7.65	1	Without Grinding	7.5	26.25

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