IWATA DENKO Disc Springs（Material：Spring Steel）

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Disc Spring BD (Iwata Standard)

Disc Spring BD (Iwata Standard)【1-1,000 Pieces Per Package】

IWATA DENKO

[Features]
· A spring for applying pressure. Eliminates bearing vibration and noise while also damping irregular rotations.
· Helps to increase bearing life and markedly simplify design and space.

Volume Discount

Starting from^∗ ：	0.37 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Steel Disc Spring For Heavy Loads (JIS Standard) Made By Iwata Denko

Steel Disc Spring For Heavy Loads (JIS Standard) Made By Iwata Denko【1-1,000 Pieces Per Package】

IWATA DENKO

[Features]
· Particularly useful for machine tools, press machines and hinges, which require wear resistance, impact resistance and yield strength in a limited space.

Volume Discount

Starting from^∗ ：	0.51 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Steel Disc Spring For Heavy Loads (Iwata Standard) Made By Iwata Denko

IWATA DENKO

[Features]
· Particularly useful for machine tools, press machines and hinges, which require wear resistance, impact resistance and yield strength in a limited space.

Starting from^∗ ：	31.56 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Steel Disc Spring For Light Loads (JIS Standard) Made By Iwata Denko

Steel Disc Spring For Light Loads (JIS Standard) Made By Iwata Denko【1-500 Pieces Per Package】

IWATA DENKO

[Features]
· Particularly useful for machine tools, press machines and hinges, which require wear resistance, impact resistance and yield strength in a limited space.

Volume Discount

Starting from^∗ ：	0.48 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Steel Disc Spring M (Iwata Standard) Made By Iwata Denko

IWATA DENKO

[Features]
· Particularly useful for machine tools, press machines and hinges requiring wear resistance, impact resistance and yield strength in a limited space.

Volume Discount

Starting from^∗ ：	1.95 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Steel Disc Spring R (Iwata Standard) Made By Iwata Denko

IWATA DENKO

[Features]
· Particularly useful for machine tools, press machines and hinges, which require wear resistance, impact resistance and yield strength in a limited space.

Volume Discount

Starting from^∗ ：	2.37 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Applied Load
Material
O.D. D(Ø)
I.D. d(mm)
Free Height Ho(mm)
Load P1 (at 0.25h)(N)
Load P1 (at 0.50h)(N)
Load P3 (at 0.75h)(N)
Deflection δ
Plate Thickness t(mm)
Total Deflection h(mm)


Brand	IWATA DENKO	IWATA DENKO	IWATA DENKO	IWATA DENKO	IWATA DENKO	IWATA DENKO
Product Series	Disc Spring BD (Iwata Standard)【1-1,000 Pieces Per Package】	Steel Disc Spring For Heavy Loads (JIS Standard) Made By Iwata Denko【1-1,000 Pieces Per Package】	Steel Disc Spring For Heavy Loads (Iwata Standard) Made By Iwata Denko	Steel Disc Spring For Light Loads (JIS Standard) Made By Iwata Denko【1-500 Pieces Per Package】	Steel Disc Spring M (Iwata Standard) Made By Iwata Denko	Steel Disc Spring R (Iwata Standard) Made By Iwata Denko
Starting from^∗	0.37 € *Unit price with basic configuration Volume Discount	0.51 € *Unit price with basic configuration Volume Discount	31.56 € *Unit price with basic configuration	0.48 € *Unit price with basic configuration Volume Discount	1.95 € *Unit price with basic configuration Volume Discount	2.37 € *Unit price with basic configuration Volume Discount
Min. Shipping Days ：	6 Days	6 Days	7 Days	6 Days	7 Days	6 Days
Applied Load	For Heavy Load / For Light Load	For Heavy Load	For Heavy Load	For Light Load	-	-
Material	Spring Steel	Spring Steel	Spring Steel	Spring Steel	Spring Steel	Spring Steel
O.D. D(Ø)	9.8 ～ 198	8 ～ 63	71	8 ～ 100	25	30 ～ 42
I.D. d(mm)	6.2 ～ 141	4.2 ～ 31	36	4.2 ～ 51	8.2	16.3 ～ 22.4
Free Height Ho(mm)	0.4 ～ 4.5	0.6 ～ 4.9	5.6	0.55 ～ 6.3	1.85	2.3 ～ 3.1
Load P1 (at 0.25h)(N)	-	-	-	-	-	-
Load P1 (at 0.50h)(N)	-	-	-	-	-	-
Load P3 (at 0.75h)(N)	-	-	-	-	-	-
Deflection δ	-	-	-	-	-	-
Plate Thickness t(mm)	0.2 ～ 2	0.4 ～ 3.5	4	0.3 ～ 3.5	1.5	1.8 ～ 2.5
Total Deflection h(mm)	0.2 ～ 2.5	0.2 ～ 1.4	1.6	0.25 ～ 2.8	0.35	0.5 ～ 0.6

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Narrow search by specifying spec./dim.

Applied Load
- For Heavy Load
- For Light Load
Clear

Material
- EN 1.1221 Equiv. (Black Oxide)
- EN 1.4301 (CSP) Equiv.
- Spring Steel
- Special Steel
Clear

O.D. D(Ø)
6

8

9.8

10

12

12.5

12.8

14

15

15.8

16

18

18.8

20

21.8

22.5

23

23.7

25

25.7

28

29.7

30

31.5

31.7

34

34.6

35.5

39.6

40

41.6

42.0

45

46.5

48

50

51.5

56

60

61.5

63

70

71

79.5

80

84.5

89.5

90

91

99

100

109

112

119

125

129

135

139

140

150

159

160

169

179

180

189

198

200

225

250
Drawing

Clear

I.D. d(mm)
2

2.3

2.6

3

3.2

3.5

4

4.2

5

5.2

6

6.2

7

7.2

8

8.2

9.2

10

10.2

11.2

12

12.2

12.3

14

14.2

14.3

16

16.3

17.4

18

18.3

18.4

20

20.4

20.5

22

22.4

24

24.5

25.4

25.5

27

28.5

30

30.5

31

33

35.5

36

40.5

41

46

50.5

51

55.5

57

60.5

61

64

65.5

66

70.5

71

72

75.5

77

81

82

85.5

90.5

92

95.5

101

102

111

112

121

127

131

141
Drawing

Clear

Free Height Ho(mm)
0.4

0.45

0.5

0.55

0.6

0.65

0.7

0.75

0.85

0.9

1

1.05

1.1

1.2

1.25

1.3

1.35

1.4

1.45

1.5

1.55

1.6

1.7

1.75

1.8

1.85

1.87

1.88

2.05

2.1

2.15

2.2

2.25

2.3

2.45

2.5

2.6

2.65

2.7

2.75

2.8

3.05

3.1

3.15

3.2

3.25

3.3

3.4

3.5

3.6

3.8

4.1

4.2

4.25

4.3

4.41

4.5

4.65

4.9

5.1

5.3

5.6

6

6.3

6.7

7

7.75

8.2

8.5

8.6

8.9

9

9.3

9.4

9.6

10

10.3

10.4

10.5

10.6

10.8

11.1

11.2

11.5

12

12.2

12.8

13.5

13.6

13.8

14

16.2

19.3

19.6
Drawing

Clear

Load P1 (at 0.25h)(N)
29.1

55

55.7

87.5

88.26

101

128

136

141

145

161

188

266

291

326

337

342

402

409

415

496

507

511

593

603

692

698

750

771

791.4

894

1300

1304.28

1360

1370

1520

1640

1730

1960

2030

2090

2320

2400

2890

3080

3160

3540

3870

4610

4790

4800

4820

5393.66

5920

5980

6290

8130

9580

12400

13300

15600

16200

16500

17500

17600

18300

18500

18900

21400

21600

22100

22300

33200

33500

33700

34800

41300

42000

49600

54800

71700

89900

98500
Clear

Load P1 (at 0.50h)(N)
48.4

103

155.93

164

170

230

238

252

258

280

345

459

522

582

605

620

690

749

797

844

886

948

952

1120

1210

1280

1340

1390

1412.16

1430

2324.18

2440

2460

2540

2560

2640

3030

3070

3550

3740

3770

3820

4230

5380

5540

5660

5820

6240

8380

8660

9060

9110

10346.02

10500

11200

11400

15300

15600

23800

24800

25600

26400

27300

30200

30300

30900

31900

32500

33100

33900

35800

36500

38700

39400

39900

60100

64300

65400

65500

65900

78300

79800

95200

105000

139000

164000

189000
Clear

Load P3 (at 0.75h)(N)
1,109

1,180

1,315

1,322

1,380

1,476

1,590

1,600

1,664

1,681

1,810

1,870

2,278

2,474

2,542

3,174

3,290

3,370

3,680

3,770

4,130

4,146

4,490

4,522

5,110

5,460

5,657

6,410

6,697

8,040

10,409

13,400

61

102

107.8

133

136

179

186.2

205.9

209.86

232

234

239

245

256

264.6

274

282

294

316

323.6

333

358

360

372.4

373

411.9

459

495

509.6

568.8

572

588

614

630

637

648

657.1

666.4

691

715.4

751

766

769

774.2

794.3

812

896

921

929

931

981

1019.2

1020

1029.7

1040

1120

1127.8

1140

1146.6

1180

1274.9

1372

1380

1520

1528.8

1550

1590

1720

1724.8

1734.6

1810

1870

1912.3

1931.9

1950

2352

2557.8

2626.4

2843.9

2922.4

3060

3157.74

3283

3290

3488.8

3680

3690

3770

3873.6

4018

4130

4282.6

4490

4540

4674.6

4730

5110

5197.5

5460

5850.6

6000

6046.6

6487.6

6501.8

6928.6

7160

7260

7610

7680

7698.2

8040

9437.4

10231.2

10760.4

11300

11376

12500

12700

12700.8

13400

13494.6

13900

15013.98

15200

16500

18482.8

18600

20545

22600

28253.4

30213.4

32800

33588

34500

34800

36300

37500

39356.8

39800

39900

42100

43178.8

43500

43757

43800

43900

47600

48100

51500

53300

55000

56400

76763.4

77322

81900

85975

93300

94700

96000

96900

111000

112984.2

117000

138000

154000

203000

229000

274000
Clear

Deflection δ
- 0.75h (mm)
Clear

Plate Thickness t(mm)
0.2

0.25

0.3

0.35

0.4

0.45

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

1.25

1.5

1.6

1.75

1.8

2

2.25

2.5

2.7

2.75

3

3.5

3.8

4

4.3

4.8

5

5.5

6

6.5

7

8

9

10

11

12

13

14

16
Drawing

Clear

Total Deflection h(mm)
0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

0.55

0.6

0.65

0.68

0.7

0.8

0.9

0.97

1

1.1

1.15

1.3

1.4

1.45

1.5

1.55

1.6

1.65

1.7

1.75

1.95

2

2.2

2.3

2.4

2.41

2.5

2.6

2.75

2.8

3.2

3.3

3.4

3.5

3.6

4

4.2

4.5

4.6

4.8

5.1

5.3

5.5

5.6

6.8

7.3
Drawing

Clear

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