Disc Springs
Brand :
MISUMI
Caution
- [Specification Change] The materials, surface treatment, and appearance will be changed sequentially starting in July 2025. Some part numbers are not subject to specification changes. Please see here for details. Products and packages 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.
Product Description
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.
SRBN
SSRBN
(Stainless Steel)
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 |
| SRBN8~45 | SUP10 Equivalent | Phosphate Coating D45 and 50 are not treated. | 42~48HRC |
| SRBN50 | |||
| SSRBN | SUS304-CSP Equivalent | - | 37~46HRC |
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.
[ ! ]A guide is necessary to keep the springs aligned.
[ ! ]Please use the disc springs of same size and load only.