Disc Spring (for Heavy Duty)

Caution
- Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.
Product Description
Disc Spring (Heavy Load)
Disc Springs also known as belleville spring offer a wide variety of sizes to choose from.
[Feature]
● Outer Diameter Minimum/Maximum (mm.) : 8 and 180
● Inner Diameter Minimum/Maximum (mm.) : 4.2 and 92
● Free State Height Minimum/Maximum (mm.) : 0.6 and 14 (depend on product code)
● Material : SUS304-CSP and Spring Steel
[Application]
Disc springs for heavy load are utilized in bolted joints to maintain the desired preload force.

Disc Spring (for Heavy Duty), Drawing and Dimensions

Unit mm
| Nominal No. | Nominal JIS | Dimension code | Inner diameter | Outer diameter | Wall Thickness | Height | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| d | Tolerance | D | Tolerance | t | h | t + h | Tolerance | |||
| 1 | 8 | 22001 | 4.2 | +0.15 0 | 8 | 0 -0.15 | 0.4 | 0.2 | 0.6 | +/- 0.1 |
| 2 | 10 | 22002 | 5.2 | 10 | 0.5 | 0.25 | 0.75 | |||
| 3 | 12.5 | 22003 | 6.2 | 12.5 | 0 -0.2 | 0.7 | 0.3 | 1 | ||
| 4 | 14 | 22004 | 7.2 | 14 | 0.8 | 0.3 | 1.1 | |||
| 5 | 16 | 22005 | 8.2 | 16 | 0.9 | 0.35 | 1.25 | |||
| 6 | 18 | 22006 | 9.2 | 18 | 1 | 0.4 | 1.4 | +/- 0.15 | ||
| 7 | 20 | 22007 | 10.2 | +0.2 0 | 20 | 0 -0.25 | 1.1 | 0.45 | 1.55 | |
| *8 | 22.5 | 22008 | 11.2 | 22.5 | 1.25 | 0.5 | 1.75 | |||
| *9 | 25 | 22009 | 12.2 | 25 | 1.5 | 0.55 | 2.05 | |||
| *10 | 28 | 22010 | 14.2 | 28 | 1.5 | 0.65 | 2.15 | |||
| *11 | 31.5 | 22011 | 16.3 | 31.5 | 0 -0.3 | 1.75 | 0.7 | 2.45 | ||
| 12 | 35.5 | 22012 | 18.3 | +0.25 0 | 35.5 | 2 | 0.8 | 2.8 | ||
| *13 | 40 | 22013 | 20.4 | 40 | 2.25 | 0.9 | 3.15 | |||
| 14 | 45 | 22014 | 22.4 | 45 | 2.5 | 1 | 3.5 | +/- 0.2 | ||
| 15 | 50 | 22015 | 25.4 | 50 | 3 | 1.1 | 4.1 | |||
| 16 | 56 | 22016 | 28.5 | 56 | 0 -0.35 | 3 | 1.3 | 4.3 | ||
| 17 | 63 | 22017 | 31 | +0.3 0 | 63 | 3.5 | 1.4 | 4.9 | ||
| 18 | 71 | 22018 | 36 | +0.5 0 | 71 | 0 -0.5 | 4 | 1.6 | 5.6 | +0.4 -0.2 |
| 19 | 80 | 22019 | 41 | 80 | 5 | 1.7 | 6.7 | |||
| 20 | 90 | 22020 | 46 | 90 | 5 | 2 | 7 | |||
| 21 | 100 | 22021 | 51 | +0.6 0 | 100 | 0 -1 | 6 | 2.2 | 8.2 | +0.55 -0.25 |
| 22 | 112 | 22022 | 57 | 112 | 6 | 2.5 | 8.5 | |||
| 23 | 125 | 22023 | 64 | 125 | 8 | 2.6 | 10.6 | +0.6 -0.25 | ||
| 24 | 140 | 22024 | 72 | +1 0 | 140 | 8 | 3.2 | 11.2 | ||
| 25 | 160 | 22025 | 82 | 160 | 0 -1.2 | 10 | 3.5 | 13.5 | +0.7 -0.35 | |
| 26 | 180 | 22026 | 92 | 180 | 10 | 4 | 14 | |||
Unit: mm. The above spring force is for spring steel, but the force of SUS304 is approx. 90% of the above value. The maximum stress indicates the maximum tensile stress generated at the inner lower end of the disc spring.
* Sizes marked with an asterisk (*) differ from JIS in terms of wall thickness, height, etc.