Belleville Disc Springs

Belleville disc springs (also known as belleville disc washers) were invented by Julien-Francoise Belleville, who was awarded a patent in 1861 for a spring designed like a cone-shaped ring, capable of absorbing large axial forces with relatively small spring travel. Mubea has proudly manufactured Belleville springs in our Daaden, Germany plant since 1960.


Disc springs can be designed to meet the specific requirements of a variety of applications. These requirements can typically be met with springs from Mubea’s standard product line. Our standard product line includes disc springs designed per the requirements of DIN 2093, our own internal factory standards, as well as other specal sizes. Disc springs from our standard product ine are typically available from stock for immediate delivery.



Disc Spring Theory 

According to the disc spring theory,Belleville springs (also known as Bellevillewashers) are shallow conical ringsthat are subjected to axial loads.Normally, the ring thickness is constant and theapplied load is evenly distributed over the upper inside and lower outside edges. Disc springs are generally manufactured from spring steel and can be subjected to static loads, rarely alternating loads, and dynamic loads. Disc springs can meet the most stringent fatigue life and set loss requirements. 

Common Disc Spring Alloys  

Copper Beryllium (CuBe)

(CuBe)Cr-Ni-Mo Stainless Steel          





Chromoly Steel


Belleville Washer Features

DIN 2093      

standards High fatigue lifeDifferent assemblies can be designed      

to achieve the desired load characteristicsSpecial materials and various surface      

coatings availableBetter space utilization when compared      

to other spring typesLow creep tendency with the correct      

dimensioningHigh load capacity with a small spring      


Product Comments

Due to the wide adaptability of Belleville spring, which covers the application of safety valve system of 3000 meters from the depths of the ocean to every field of space satellites

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