Yellow Lightest 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

0.80

7.5

6

6.8

5.4

6.0

4.8

VJF 6 X 20

20

0.60

10.0

9.0

8.0

VJF 6 X 25

25

0.48

12.5

11.3

10.0

VJF 6 X 30

30

0.40

15.0

13.5

12.0

VJF 6 X 35

35

0.34

17.5

15.8

14.0

VJF 6 X 40

40

0.30

20.0

18.0

16.0

VJF 6 X 45

45

0.27

22.5

20.3

18.0

VJF 6 X 50

50

0.24

25.0

22.5

20.0

VJF 6 X 55

55

0.22

27.5

24.8

22.0

VJF 6 X 60

60

0.20

30.0

27.0

24.0

VJF 6 X 65

65

0.18

32.5

29.3

26.0

VJF 6 X 70

70

0.17

35.0

31.5

28.0