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DIN 2093 (B):2013 Type B Washer

DIN 2093 (B):2013 Type B Disc Spring Washer is used in systems requiring high spring force, compact installation space, and controlled deflection. The disc-shaped structure can generate significant axial load when compressed, making it suitable for preloading, cushioning, and displacement compensation.

It is commonly applied in clutches, brake mechanisms, molds, valves, bearing preload systems, and mechanical adjustment devices. When multiple washers are stacked, series or parallel arrangements can change the spring characteristics to meet different load and travel requirements.

Selection should consider outside diameter, inside diameter, thickness, material elasticity, and working temperature. Suitable surface treatment should also be chosen for corrosive environments to maintain long-term spring stability.

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Dimensions unit: mm

Specification

8

10

12.5

14

16

18

20

22.5

25

28

31.5

35.5

40

45

50

d2

Max.=Nominal (h12)

8

10

12.5

14

16

18

20

22.5

25

28

31.5

35.5

40

45

50

Min.

7.85

9.85

12.32

13.82

15.82

17.82

19.79

22.29

24.79

27.79

31.25

35.25

39.75

44.75

49.75

d1

Min.=Nominal (H12)

4.2

5.2

6.2

7.2

8.2

9.2

10.2

11.2

12.2

14.2

16.3

18.3

20.4

22.4

25.4

Max.

4.32

5.32

6.35

7.35

8.35

9.35

10.38

11.38

12.38

14.38

16.48

18.51

20.61

22.61

25.61

t

0.3

0.4

0.5

0.5

0.6

0.7

0.8

0.8

0.9

1

1.25

1.25

1.5

1.75

2

t1

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

h1

0.25

0.3

0.35

0.4

0.45

0.5

0.55

0.65

0.7

0.8

0.9

1

1.15

1.3

1.4

h

0.55

0.7

0.85

0.9

1.05

1.2

1.35

1.45

1.6

1.8

2.15

2.25

2.65

3.05

3.4

Washer type

1

1

1

1

1

1

1

1

1

1

2

2

2

2

2

  

Specification

56

63

71

80

90

100

112

125

140

160

180

200

225

250

d2

Max.=Nominal (h12)

56

63

71

80

90

100

112

125

140

160

180

200

225

250

Min.

55.7

62.7

70.7

79.7

89.65

99.65

111.65

124.6

139.6

159.6

179.6

199.54

224.54

249.54

d1

Min.=Nominal (H12)

28.5

31

36

41

46

51

57

64

72

82

92

102

112

127

Max.

28.71

31.25

36.25

41.25

46.25

51.3

57.3

64.3

72.3

82.35

92.35

102.35

112.35

127.4

t

2

2.5

2.5

3

3.5

3.5

4

5

5

6

6

8

8

10

t1

-

-

-

-

-

-

-

-

-

-

-

7.5

7.5

9.4

h1

1.6

1.75

2

2.3

2.5

2.8

3.2

3.5

4

4.5

5.1

5.6

6.5

7

h

3.6

4.25

4.5

5.3

6

6.3

7.2

8.5

9

10.5

11.1

13.6

14.5

17

Washer type

2

2

2

2

2

2

2

2

2

2

2

3

3

3

 

 

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