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Disc Springs (SSRBN40-A)

Disc Springs SSRBN40-A

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MISUMI

MISUMI

Disc Springs
Disc Springs also known as belleville spring offer a wide variety of sizes to choose from.
[Feature]
● Outer Diameter Minimum/Maximum (mm.) : 8 and 50
● Inner Diameter Minimum/Maximum (mm.) : 4.2 and 25.4
● Free State Height Minimum/Maximum (mm.) : 0.55 and 4.1 (depend on product code)
● Material : SUP10 Equivalent and SUS304-CSP Equivalent
● Surface treatment : Phosphate Coating for SUP10 Equivalent
[Application]
Disc springs are utilized in bolted joints to maintain the desired preload force.

(i)Caution

  • [Specification Change] The materials, surface treatment, and appearances will be changed sequentially starting in July 2025. Please see here for details. Products before and after the change may be mixed in the same shipment, but there are no problems with use.
  • Please check the content on our website as the PDF does not contain the most up-to-date information.

PDFP.2-338-2014

Part Number

Configured Part Number is shown.

SSRBN40-A

SRBN
SSRBN
(Stainless Steel)
t
Load Tolerance
(75% Deflection)
0.3~1.1
+25%
-7.5%
1.2~3
+15%
-7.5%
Type[ M ]Material[ S ]Surface Treatment[ H ]Hardness
SRBN8~45SUP10 EquivalentPhosphate Coating
D45 and 50 are not treated.		42~48HRC
SRBN50
SSRBNSUS304-CSP Equivalent-37~46HRC

Specifications

Part Number-Load Type
A, B
SRBN22.5-A
Part NumberLoad TypeDdtHhLoad N
75% Deflection		SRBNSSRBN
SRBNSSRBNUnit PriceVolume Discount RateUnit PriceVolume Discount Rate
TypeD1~4950~7475~99100~5001~4950~7475~99100~500
SRBN
SSRBN
(Stainless Steel)		8A0
-0.15		4.2+0.15
0		0.30.55±0.100.25
133
102        
B0.40.600.20
234
179        
10A5.20.40.700.30
232
179        
B0.50.750.25
360
282        
12.5A0
-0.20		6.20.50.850.35
333
256        
B0.71.000.30
769
572        
14A7.20.50.900.40
316
239        
B0.81.100.30
921
691        
16A8.20.61.050.45
459
358        
B0.91.250.35
1,315
896        
18A9.20.71.200.50
630
495        
B1.01.40±0.150.40
1,380
1,109        
20A0
-0.25		10.2+0.20
0		0.81.35±0.100.55
812
648        
B1.11.55±0.150.45
1,600
1,322        
22.5A11.20.81.45±0.100.65
766
614        
B
1.2(1.25)
1.7(1.75)
±0.150.50
1,870
1,681        
25A12.2
0.9
1.6
±0.100.70
929
751        
B
1.6(1.5)
2.15(2.05)
±0.150.55
3,770
2,542        
28A14.2
1
1.8
0.80
1,180
981        
B
1.6(1.5)
2.25(2.15)
0.65
3,680
2,474        
31.5A0
-0.30		16.3
1.2(1.25)
2.1(2.15)
0.90
1,810
1,664        
B
1.8(1.75)
2.5(2.45)
0.70
4,490
3,370        
35.5A18.3+0.25
0
1.2(1.25)
2.2(2.25)
1.00
1,590
1,476        
B
2
2.8
0.80
5,460
4,522        
40A20.4
1.6(1.5)
2.75(2.65)
1.15
3,290
2,278        
B
2(2.25)
3.1(3.15)
0.90
6,410
5,657        
45A22.4
1.8(1.75)
3.1(3.05)
1.30
4,130
3,174        
B
2.5
3.5
±0.21.00
8,040
6,697        
50A25.4
2
3.4
±0.151.40
5,110
4,146        
B
3
4.1
±0.21.10
13,400
10,409        
[ ! ]t and H dimensions for SSRBN are shown in ( ). (Different from JIS)
[ ! ]Load is reference value. kgf=Nx0.101972

Part Number 

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

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CAD Download

30
45
60
  1. 1
Part Number
SSRBN40-A
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSOuter Dia. D
(Ø) 		Inner Dia. d
(Ø) 		Load Shape Load
(N) 		Material Plate Thickness t
(mm) 		Free Height (H0)
(mm) 		Maximum Deformation (h)
(mm) 		Surface Treatment

MYR 10.14

1 Piece(s)Available 6 Day(s) 104020.4A2,278SUS304-CSP Equivalent1.52.651.15NA

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  1. 1

More Information

■Load Characteristics in Combination (Excerpt from JIS B 2706 (2003))

[ ! ]A guide is necessary to keep the springs aligned.
[ ! ]Please use the disc springs of same size and load only.
 

Please check the type/dimensions/specifications of the part SSRBN40-A in the Disc Springs series.

Configure

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Specification/Dimensions

  • type

    • SRBN
    • SSRBN

    Clear

  • Outer Dia. D(Ø)

    • 8
    • 10
    • 12.5
    • 14
    • 16
    • 18
    • 20
    • 22.5
    • 25
    • 28
    • 31.5
    • 35.5
    • 40
    • 45
    • 50

    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

    Clear

  • Load Shape

    • B
    • A

    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

  • Material

    • SUP10 Equivalent
    • SUS304-CSP Equivalent

    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$2.0
    • 2.25
    • 2.5
    • 3

    Clear

  • Free Height (H0)(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

  • Maximum Deformation (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

  • Surface Treatment

    • NA
    • Phosphate Coating

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 1 Day(s) or Less
    • 2 Day(s) or Less
    • 4 Day(s) or Less
    • 6 Day(s) or Less

    Clear

Specify Alterations

Products like this...

Part Number
SRBN12.5-B
SRBN14-A
SRBN14-B
SSRBN40-B
SSRBN45-A
SSRBN45-B
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSOuter Dia. D
(Ø) 		Inner Dia. d
(Ø) 		Load Shape Load
(N) 		Material Plate Thickness t
(mm) 		Free Height (H0)
(mm) 		Maximum Deformation (h)
(mm) 		Surface Treatment

MYR 1.61

1 Piece(s)Available 2 Day(s) 1012.56.2B769SUP10 Equivalent0.710.3Phosphate Coating

MYR 1.62

1 Piece(s)Available 4 Day(s) or more 10147.2A316SUP10 Equivalent0.50.90.4Phosphate Coating

MYR 1.63

1 Piece(s)Available 4 Day(s) or more 10147.2B921SUP10 Equivalent0.81.10.3Phosphate Coating

MYR 16.09

1 Piece(s)Available 4 Day(s) or more 104020.4B5,657SUS304-CSP Equivalent2.253.150.9NA

MYR 14.32

1 Piece(s)Available 4 Day(s) or more 104522.4A3,174SUS304-CSP Equivalent1.753.051.3NA

MYR 17.06

1 Piece(s)Available 4 Day(s) or more 104522.4B6,697SUS304-CSP Equivalent2.53.51NA

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