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Disc Springs

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On Sale Till 15/12/2024
Volume Discount

MISUMI

•Material: 304 Stainless Steel

inCAD Components

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Please check the content on our website as the PDF does not contain the most up-to-date information.

Part Number

Configured Part Number is shown.

Drawing/Specifications
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Part Numbers
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Catalog
Technical Information

Type	Material	Surface Treatment	Hardness
SRBN8~45	1065 Carbon Steel	Black Oxide D45 and 50 are not treated.	42~48HRC
SRBN50	SUP10(6150)	Black Oxide D45 and 50 are not treated.	42~48HRC
SSRBN	304 Stainless Steel	-	37~46HRC

Specifications

Part Number	-	Load Type A, B
SRBN22.5	-	A

Part Number		Load Type	D	d		t	H		h	Load N 75% Deflection
Part Number										SRBN	SSRBN
Type	D									SRBN	SSRBN
SRBN SSRBN (Stainless Steel)	8	A	0 -0.15	4.2	+0.15 0	0.3	0.55	±0.10	0.25	133	102
	8	B		4.2		0.4	0.60		0.20	234	179
	10	A		5.2		0.4	0.70		0.30	232	179
	10	B		5.2		0.5	0.75		0.25	360	282
	12.5	A	0 -0.20	6.2		0.5	0.85		0.35	333	256
	12.5	B		6.2		0.7	1.00		0.30	769	572
	14	A		7.2		0.5	0.90		0.40	316	239
	14	B		7.2		0.8	1.10		0.30	921	691
	16	A		8.2		0.6	1.05		0.45	459	358
	16	B		8.2		0.9	1.25		0.35	1,315	896
	18	A		9.2		0.7	1.20		0.50	630	495
	18	B		9.2		1.0	1.40	±0.15	0.40	1,380	1,109
	20	A	0 -0.25	10.2	+0.20 0	0.8	1.35	±0.10	0.55	812	648
	20	B		10.2		1.1	1.55	±0.15	0.45	1,600	1,322
	22.5	A		11.2		0.8	1.45	±0.10	0.65	766	614
	22.5	B		11.2		1.2(1.25)	1.7(1.75)	±0.15	0.50	1,870	1,681
	25	A		12.2		0.9	1.6	±0.10	0.70	929	751
	25	B		12.2		1.6(1.5)	2.15(2.05)	±0.15	0.55	3,770	2,542
	28	A		14.2		1	1.8		0.80	1,180	981
	28	B		14.2		1.6(1.5)	2.25(2.15)		0.65	3,680	2,474
	31.5	A	0 -0.30	16.3		1.2(1.25)	2.1(2.15)		0.90	1,810	1,664
	31.5	B		16.3		1.8(1.75)	2.5(2.45)		0.70	4,490	3,370
	35.5	A		18.3	+0.25 0	1.2(1.25)	2.2(2.25)		1.00	1,590	1,476
	35.5	B		18.3		2	2.8		0.80	5,460	4,522
	40	A		20.4		1.6(1.5)	2.75(2.65)		1.15	3,290	2,278
	40	B		20.4		2(2.25)	3.1(3.15)		0.90	6,410	5,657
	45	A		22.4		1.8(1.75)	3.1(3.05)		1.30	4,130	3,174
	45	B		22.4		2.5	3.5	±0.2	1.00	8,040	6,697
	50	A		25.4		2	3.4	±0.15	1.40	5,110	4,146
	50	B		25.4		3	4.1	±0.2	1.10	13,400	10,409

[ ! ]t and H dimensions for SSRBN are shown in ( ). (Different from JIS)
[ ! ]Load is reference value. kgf=N×0.101972

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

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Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 45; 60

Part Number
SRBN8-B
SRBN10-B
SRBN12.5-B
SRBN14-B
SRBN16-B
SRBN18-B
SRBN20-B
SRBN22.5-B
SRBN25-B
SRBN28-B
SRBN31.5-B
SRBN35.5-B
SRBN40-B
SRBN45-B
SRBN50-B
SSRBN8-B
SSRBN10-B
SSRBN12.5-B
SSRBN14-B
SSRBN16-B
SSRBN18-B
SSRBN20-B
SSRBN22.5-B
SSRBN25-B
SSRBN28-B
SSRBN31.5-B
SSRBN35.5-B
SSRBN40-B
SSRBN45-B
SSRBN50-B

Minimum order quantity	Volume Discount	Days to Ship	RoHS	Load Type	Material	O.D. D (Ø)	I.D. d (Ø)	Free Height H (mm)	Load (N)	Plate Thickness t (mm)	Total deflection amount h (mm)
1 Piece(s)	Available	Same day Stock	10	B	-	8	4.2	0.6	234	0.4	0.2
1 Piece(s)	Available	8 Days or more	10	B	-	10	5.2	0.75	360	0.5	0.25
1 Piece(s)	Available	Same day Stock	10	B	-	12.5	6.2	1	769	0.7	0.3
1 Piece(s)	Available	8 Days or more	10	B	-	14	7.2	1.1	921	0.8	0.3
1 Piece(s)	Available	Same day Stock	10	B	-	16	8.2	1.25	1,315	0.9	0.35
1 Piece(s)	Available	Same day Stock	10	B	-	18	9.2	1.4	1,380	1	0.4
1 Piece(s)	Available	Same day Stock	10	B	-	20	10.2	1.55	1,600	1.1	0.45
1 Piece(s)	Available	8 Days or more	10	B	-	22.5	11.2	1.7	1,870	1.2	0.5
1 Piece(s)	Available	Same day Stock	10	B	-	25	12.2	2.15	3,770	1.6	0.55
1 Piece(s)	Available	Same day Stock	10	B	-	28	14.2	2.25	3,680	1.6	0.65
1 Piece(s)	Available	Same day Stock	10	B	-	31.5	16.3	2.5	4,490	1.8	0.7
1 Piece(s)	Available	8 Days or more	10	B	-	35.5	18.3	2.8	5,460	2	0.8
1 Piece(s)	Available	Same day Stock	10	B	-	40	20.4	3.1	6,410	2	0.9
1 Piece(s)	Available	8 Days or more	10	B	-	45	22.4	3.5	8,040	2.5	1
1 Piece(s)	Available	8 Days or more	10	B	-	50	25.4	4.1	13,400	3	1.1
1 Piece(s)	Available	Same day Stock	10	B	304 Stainless Steel	8	4.2	0.6	179	0.4	0.2
1 Piece(s)	Available	Same day Stock	10	B	304 Stainless Steel	10	5.2	0.75	282	0.5	0.25
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	12.5	6.2	1	572	0.7	0.3
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	14	7.2	1.1	691	0.8	0.3
1 Piece(s)	Available	Same day Stock	10	B	304 Stainless Steel	16	8.2	1.25	896	0.9	0.35
1 Piece(s)	Available	Same day Stock	10	B	304 Stainless Steel	18	9.2	1.4	1,109	1	0.4
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	20	10.2	1.55	1,322	1.1	0.45
1 Piece(s)	Available	Same day Stock	10	B	304 Stainless Steel	22.5	11.2	1.75	1,681	1.25	0.5
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	25	12.2	2.05	2,542	1.5	0.55
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	28	14.2	2.15	2,474	1.5	0.65
1 Piece(s)	Available	Same day Stock	10	B	304 Stainless Steel	31.5	16.3	2.45	3,370	1.75	0.7
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	35.5	18.3	2.8	4,522	2	0.8
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	40	20.4	3.15	5,657	2.25	0.9
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	45	22.4	3.5	6,697	2.5	1
1 Piece(s)	Available	8 Days or more	10	B	304 Stainless Steel	50	25.4	4.1	10,409	3	1.1

More Information

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30 Part Numbers

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Stock

- Stock Item Only
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Specification/Dimensions

Material
- 304 Stainless Steel
Clear
O.D. D(Ø)
8

10

12.5

14

16

18

20

22.5

25

28

31.5

35.5

40

45

50
Clear
I.D. 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
Clear
Free Height H(mm)
0.55

0.6

0.7

0.75

0.85

0.9

1

1.05

1.1

1.2

1.25

1.35

1.4

1.45

1.55

1.6

1.7

1.75

1.8

2.05

2.1

2.15

2.2

2.25

2.45

2.5

2.65

2.75

2.8

3.05

3.1

3.15

3.4

3.5

4.1
Clear
Load(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

102

133

179

232

234

239

256

282

316

333

358

360

459

495

572

614

630

648

691

751

766

769

812

896

921

929

981
Clear
Plate Thickness t(mm)
0.3

0.4

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

3
Clear
Total deflection amount h(mm)
0.2

0.25

0.3

0.35

0.4

0.45

0.5

0.55

0.65

0.7

0.8

0.9

1

1.1

1.15

1.3

1.4
Clear
type
- SRBN
- SSRBN
Clear
Load Type
- B
- A
Clear
CAD
- 2D
- 3D
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Days to Ship

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Same day

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

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