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Disc Springs (SRBN31.5-A)

Disc Springs SRBN31.5-A

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  • On Sale Till 31/03/2025
  • Volume Discount

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 : S65C, SUP10 and SUS304-CSP
● Surface treatment : Black Oxide for S65C and SUP10
[Application]
Disc springs are utilized in bolted joints to maintain the desired preload force.

(i)Caution

  • 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.

SRBN31.5-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
SRBN8~45S65CBlack Oxide
D45 and 50 are not treated.		42~48HRC
SRBN50SUP10
SSRBNSUS304-CSP-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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  • Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
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30
45
60
  1. 1
Part Number
SRBN31.5-A
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSLoad Type Material Outer Dia. D
(Ø) 		Inner Dia. d
(Ø) 		Free State Height H
(mm) 		Load
(N) 		Plate Thickness t
(mm) 		Total Deflection h
(mm) 		Surface Treatment

SGD 2.01

1 Piece(s)Available Same day 10A[S65~70C (Black Oxide)] S65C31.516.32.11,8101.20.9Black Oxide Coating

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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 SRBN31.5-A in the Disc Springs series.

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Specification/Dimensions

  • type

    • SRBN
    • SSRBN

    Clear

  • Load Type

    • B
    • A

    Clear

  • Material

    • S65~70C (Black Oxide)
      • S65C
    • SUS304-CSP
    • SUP-10
      • SUP-10

    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

  • Free State 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 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

    • Black Oxide Coating
    • NA

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • Same day
    • 4 Day(s) or Less

    Clear

Specify Alterations

Similar Part Numbers

Part Number
SRBN12.5-B
SRBN14-A
SRBN14-B
SRBN31.5-B
SRBN35.5-A
SRBN35.5-B
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSLoad Type Material Outer Dia. D
(Ø) 		Inner Dia. d
(Ø) 		Free State Height H
(mm) 		Load
(N) 		Plate Thickness t
(mm) 		Total Deflection h
(mm) 		Surface Treatment

SGD 1.70

1 Piece(s)Available Same day 10B[S65~70C (Black Oxide)] S65C12.56.217690.70.3Black Oxide Coating

SGD 1.72

1 Piece(s)Available 4 Day(s) or more 10A[S65~70C (Black Oxide)] S65C147.20.93160.50.4Black Oxide Coating

SGD 1.73

1 Piece(s)Available 4 Day(s) or more 10B[S65~70C (Black Oxide)] S65C147.21.19210.80.3Black Oxide Coating

SGD 2.09

1 Piece(s)Available 4 Day(s) or more 10B[S65~70C (Black Oxide)] S65C31.516.32.54,4901.80.7Black Oxide Coating

SGD 2.23

1 Piece(s)Available 4 Day(s) or more 10A[S65~70C (Black Oxide)] S65C35.518.32.21,5901.21Black Oxide Coating

SGD 2.36

1 Piece(s)Available Same day 10B[S65~70C (Black Oxide)] S65C35.518.32.85,46020.8Black Oxide Coating

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