Model

Outer
Dia.
(mm)

Inner
Dia.
(mm)

Free
Length
(mm)

Spring
Const.
(kgf/mm)

30万
0.3million

50万
0.5million

100万
1 million

Deflection
(mm)

Load
kgf

Deflection
(mm)

Load
kgf

Deflection
(mm)

Load
kgf

YF20x25

20

11

12

25

2.40

12.5

30

11 .2

26

10.0

24

30

30

2.00

15.0

13.5

12.0

35

35

1.71

17.5

15.0

14.0

40

40

1.50

20.0

18.0

16.0

45

45

1.33

22.5

20.2

18.0

50

50

1.20

25.0

22.5

20.0

55

55

1.09

27.5

24.7

22.0

60

60

1.00

30.0

27.0

24.0

65

65

0.92

32.5

29.2

26.0

70

70

0.85

35.0

31.5

28.0

75

75

0.80

37.5

33.7

30.0

80

80

0.75

40.0

36.0

32.0

90

90

0.66

45.0

40.5

36.0

100

100

0.60

50.0

45.0

40.0

125

125

0.48

62.5

56.2

50.0

YF25x25

25

13.5

25

5.28

12.5

66

11 .2

59

10.0

52

30

30

4.40

15.0

13.5

12.0

35

35

3.77

17.5

15.7

14.0

40

40

3.30

20.0

18.0

16.0

45

45

2.93

22.5

20.2

18.0

50

50

2.64

25.0

22.5

20.0

55

55

2.40

27.5

24.7

22.0

60

60

2.20

30.0

27.0

24.0

65

65

2.03

32.0

29.2

26.0

70

70

1.88

35.0

31 .7

28.0

75

75

1.76

37.5

33.7

30.0

80

80

1.65

40.0

36.0

32.0

90

90

1.46

45.0

40.5

36.0

100

100

1.32

50.0

45.0

40.0

125

125

1.05

62.5

56.5

50.0

150

150

0.88

75.0

67.5

60.0

YF30X25

30

16

25

7.28

12.5

91

11 .2

82

10.0

73

30

30

6.06

15.0

13.5

12.0

35

35

5.20

17.5

15.7

14.0

40

40

4.55

20.0

18.0

16.0

45

45

4.04

22.5

20.2

18.0

50

50

3.64

25.0

22.5

20.0

55

55

3.31

27.5

24.7

22.0

60

60

3.03

30.0

27.0

24.0

65

65

2.80

32.5

29.2

26.0

70

70

2.60

35.0

31 .5

28.0

75

75

2.42

37.5

33.7

30.0

80

80

2.27

40.0

36.0

32.0

90

90

2.02

45.0

40.5

36.0

100

100

1.82

50.0

45.0

40.0

125

125

1.45

62.5

56.2

50.0

150

150

1.21

75.0

67.5

60.0

175

175

1.04

87.5

78.7

70.0