Blue Light Load JIS Standard Springs

Deflection/ Spring strokes

1 Million % of free length

0.5 Million % of free length

0.3 Million % of free length

Max Deflection % of free length

Color

Lightest load

40.0 %

45.0 %

50.0 %

Approx. 58%

Light load

32.0 %

36.0 %

40.0 %

Approx.48%

YELLOW

Medium load

25.6 %

28.0 %

32.0 %

Approx.38 %

BLUE

Heavy load

19.2 %

21.0 %

24.0 %

Approx.28%

RED

Ultra heavy load

16.0 %

18.0 %

20.0 %

Approx.24.0 %

GREEN

Hyper heavy load

16.0 %

18.0 %

20.0 %

Approx.24.0 %

BROWN

Super high deflection

16.0 %

55%

60.0 %

Approx.70 %

GRAY

High deflection

40.0 %

45.0 %

50.0 %

Approx.060 %

WHITE

Middle deflection

40.0 %

45.0 %

50.0 %

Approx. 60 %

PURPLE

Code

OD (mm)

ID (mm)

Free Length (mm)

Spring contant

30 (03. Million)

50 (03. Million)

100 (1. Million)

50 % deflection mm

Load (KGF)

45 % deflection mm

Load (KGF)

40 % deflection mm

Load (KGF)

VJF 6 X 15

6

3

15

1.33

6.0

8

5.4

7.2

4.8

6.4

VJF 6 X 20

20

1.00

8.0

7.2

6.4

VJF 6 X 25

25

0.80

10.0

9.0

8.0

VJF 6 X 30

30

0.67

12.0

10.8

9.6

VJF 6 X 35

35

0.57

14.0

12.6

11.2

VJF 6 X 40

40

0.50

16.0

14.4

12.8

VJF 6 X 45

45

0.44

18.0

16.2

14.4

VJF 6 X 50

50

0.40

20.0

18.0

16.0

VJF 6 X 55

55

0.36

22.0

19.8

17.6

VJF 6 X 60

60

0.33

24.0

21.6

19.2

VJF 6 X 65

65

0.31

26.0

23.4

20.8

VJF 6 X 70

70

0.29

28.0

25.2

22.4