Our website upgrade are completed! Latest improvements are now LIVE to enhance your ordering experience. You may be logged out due to the update. Please take note to login again or reset credentials if needed. More details here.

How can we improve?

How can we improve?

Comments

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy

Thank you for your cooperation.

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.

Customer Privacy Policy

A type disc spring for heavy load, manufactured by Sanwa Spring【1-50 Pieces Per Package】 (A-25)

A type disc spring for heavy load, manufactured by Sanwa Spring A-25

Click this image to zoom it.

Move the mouse over the image to zoom

Volume Discount

[Features]
· material: SAE1060/SAE1070 or equivalent = applicable model A-8 to A-50
· material: SUP-10 = applicable model A-56 to A-250
· operating temperature: 100°C or less
· minimum operating length ht: H overall length - h total deflection × 75%
·Belleville springs have a much larger stored energy per unit volume than coil springs, and fully possess a large load capacity in a small space and with a small stroke
· The load/deflection characteristic curve, especially the non-linear characteristic, can be effectively selected according to usage conditions
·Generating a large load in the stroke
·The spring characteristics can be changed by increasing or decreasing the number of coils and by combining serial and parallel coils
·If used properly, it can be used efficiently for a wide range of purposes
·Highly effective in shock mitigation, especially in shock absorption efficiency when stacked
·Can withstand long use if used within the allowable stress range
[Applications]
·Useful for various valves, industrial machinery, light electrical appliances, general industrial machinery, machine tools, transportation equipment

(i)Caution

The product images are representative only. Specifications may vary by part number, including shape and color.

Part Number

Configured Part Number is shown.

A-25

unit: mm

Type	D	d	t	H	h
Type	D	d	t	H	h	A-8	8	4.2	0.4	0.6	0.2
A-10	10	5.2	0.5	0.75	0.25
A-12.5	12.5	6.2	0.7	1	0.3
A-14	14	7.2	0.8	1.1	0.3
A-16	16	8.2	0.9	1.25	0.35
A-18	18	9.2	1	1.4	0.4
A-20	20	10.2	1.2	1.6	0.4
A-22.5	22.5	11.2	1.2	1.7	0.5
A-25	25	12.2	1.5	2.05	0.55
A-28	28	14.2	1.5	2.15	0.65
A-31.5	31.5	16.3	1.75	2.45	0.7
A-35.5	35.5	18.3	2	2.8	0.8
A-40	40	20.4	2.3	3.15	0.85
A-45	45	22.4	2.5	3.5	1
A-50	50	25.4	3	4.1	1.1
A-56	56	28.5	3	4.3	1.3
A-63	63	31	3.5	4.9	1.4
A-71	71	36	4	5.6	1.6
A-80	80	41	5	6.7	1.7
A-90	90	46	5	7	2
A-100	100	51	6	8.2	2.2
A-112	112	57	6	8.5	2.5
A-125	125	64	8	10.6	2.6
A-140	140	72	8	11.2	3.2
A-160	160	82	10	13.5	3.5
A-180	180	92	10	14	4
A-200	200	102	12	16.2	4.2
A-225	225	112	12	17	5
A-250	250	127	14	19.6	5.6

*Do not use if the mounting length is less than or equal to H overall length - h total deflection x 75%.

: 30; 45; 60

Part Number
A-25

Part Number	Standard Unit Price	Number of pc(s). included in pkg.	Minimum order quantity	Volume Discount	Days to Ship	Outer Dia. D (Ø)	Inner Dia. d (Ø)	Load P3 (at 0.75h) (N)	Material	Plate Thickness t (mm)	Free Height Ho (mm)	Total deflection amount (mm)	Load P1 (at 0.50h) (N)	Material detail section
	MYR 122.98	50 Pieces Per Package	1 Pack(s)	Available	13 Day(s) or more	25	12.2	3716	SAE1060	1.5	2.05	0.55	2541	SAE1060/SAE1070 or equivalent material

Product TOP

Basic Information

Applied Load	For Heavy Load	Deflection δ	0.50h (mm)

Please check the type/dimensions/specifications of the part A-25 in the A type disc spring for heavy load, manufactured by Sanwa Spring series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

type
- A
Clear
Outer Dia. D(Ø)
8

10

12.5

14

16

18

20

22.5

25

28

31.5

35.5

40

45

50

56

63

71

80

90

100

112

125

140

160

180

200

225

250
Clear
Inner Dia. d(Ø)
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

28.5

31

36

41

46

51

57

64

72

82

92

102

112

127
Clear
Load P3 (at 0.75h)(N)
228

347

693

834

1053

1298

1569

1757

3592

3716

4380

5374

6275

8036

11770

12430

15460

21450

32460

34900

44930

49540

89190

90370

129800

143900

175700

188800

258300
Clear
Material
- SUP10
- SAE1060
Clear
Plate Thickness t(mm)
0.4

0.5

0.7

0.8

0.9

1

1.2

1.5

1.75

2

2.3

2.5

3

3.5

4

5

6

8

10

12

14
Clear
Free Height Ho(mm)
0.6

0.75

1

1.1

1.25

1.4

1.6

1.7

2.05

2.15

2.45

2.8

3.15

3.5

4.1

4.3

4.9

5.6

6.7

7

8.2

8.5

10.6

11.2

13.5

14

16.2

17

19.6
Clear
Total deflection amount(mm)
0.2

0.25

0.3

0.35

0.4

0.5

0.55

0.65

0.7

0.8

0.85

1

1.1

1.3

1.4

1.6

1.7

2

2.2

2.5

2.6

3.2

3.5

4

4.2

5

5.6
Clear
Load P1 (at 0.50h)(N)
160

244

480

573

725

895

1083

1215

2479

2541

3014

3705

4333

5540

8162

8526

10660

14790

22380

23850

31060

33980

61490

61620

89520

98430

121500

129200

178100
Clear
Material detail section
- SAE1060/SAE1070 or equivalent material
Clear

Days to Ship

All

12 Day(s) or Less

13 Day(s) or Less

15 Day(s) or Less

16 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Products like this...

Part Number
A-12.5
A-125
A-14
A-250
A-28
A-31.5

Standard Unit Price	Number of pc(s). included in pkg.	Minimum order quantity	Volume Discount	Days to Ship	Outer Dia. D (Ø)	Inner Dia. d (Ø)	Load P3 (at 0.75h) (N)	Material	Plate Thickness t (mm)	Free Height Ho (mm)	Total deflection amount (mm)	Load P1 (at 0.50h) (N)	Material detail section
MYR 62.72	50 Pieces Per Package	1 Pack(s)	Available	13 Day(s) or more	12.5	6.2	693	SAE1060	0.7	1	0.3	480	SAE1060/SAE1070 or equivalent material
MYR 148.52		1 Piece(s)	Available	13 Day(s) or more	125	64	90370	SUP10	8	10.6	2.6	61620	-
MYR 70.10	50 Pieces Per Package	1 Pack(s)	Available	12 Day(s) or more	14	7.2	834	SAE1060	0.8	1.1	0.3	573	SAE1060/SAE1070 or equivalent material
MYR 899.30		1 Piece(s)	Available	13 Day(s) or more	250	127	258300	SUP10	14	19.6	5.6	178100	-
MYR 132.49	50 Pieces Per Package	1 Pack(s)	Available	13 Day(s) or more	28	14.2	3592	SAE1060	1.5	2.15	0.65	2479	SAE1060/SAE1070 or equivalent material
MYR 51.65	10 Pieces Per Package	1 Pack(s)	Available	13 Day(s) or more	31.5	16.3	4380	SAE1060	1.75	2.45	0.7	3014	SAE1060/SAE1070 or equivalent material

Additional Products in this Category

Tech Support

: Technical Inquiry

How can we improve?

A type disc spring for heavy load, manufactured by Sanwa Spring【1-50 Pieces Per Package】 (A-25)

(i)Caution

Basic Information

Configure

Specification/Dimensions

type

Outer Dia. D(Ø)

Inner Dia. d(Ø)

Load P3 (at 0.75h)(N)

Material

Plate Thickness t(mm)

Free Height Ho(mm)

Total deflection amount(mm)

Load P1 (at 0.50h)(N)

Material detail section

Days to Ship

Specify Alterations

Products like this...

Additional Products in this Category

Tech Support

Payment Method

About MISUMI

About this Website

Useful Tools

Customer Service

Social Media

MISUMI Contact 9am – 6pm (Mon – Fri) * Order cut-off time is 5pm, 9am – 1pm(Sat) * Order cut-off time is 12pm