A Comparison of Hydrodynamic Bearing Systems: What Makes Miba the Top Choice for Demanding Applications

Hydrodynamic bearings are among the key components of modern high-performance applications. Increasing power densities, higher specific loads, and the demand for maximum reliability are continuously raising the bar for bearing solutions across a wide range of industries. For system developers, choosing the right bearing material has thus become a decisive factor in the performance, service life, and operational reliability of their applications. 

What matters here is not just the maximum load-carrying capacity of the bearing material. Modern machines, plants, and systems require bearing solutions that are precisely tailored to the respective operating conditions and that function reliably over the long term, even under demanding load patterns, changing operating conditions, and challenging environmental conditions.

 

Companies seeking an alternative to existing suppliers are therefore increasingly evaluating not only material properties but also factors such as application expertise, development support, and the ability to provide customized solutions for specific requirements.

 

This is precisely where our customers benefit from Miba’s many years of experience. Through in-depth understanding of materials, comprehensive application expertise, and close collaboration throughout the development process, we support our customers in implementing the optimal bearing solution for their individual application.

 

Comparison of bearing manufacturers

When selecting a suitable bearing, factors such as

 

  • application support
  • development expertise
  • material diversity, and
  • global availability

 

should be taken into account in addition to the material properties alone. Only the interplay of these factors determines how successfully a bearing solution can be used in practice.

 

 

To better classify the various material concepts, the following overview compares selected KS materials with corresponding Miba materials. The comparison shows which material solutions are available for high-load applications and where Miba stands out as a high-performance alternative.

 

Material comparison: KS and Miba sputter bearings at a glance

KS Product Alloy Miba Portfolio
R20 AlSn20Cu Miba 15 / Miba 1E
R21 AlSn20Cu Miba 15 / Miba 1E
R25 AlSn20Cu2 Miba 15 / Miba 1E
R30 AlSn15Cu2 Miba 15 / Miba 1E
S803 CuSn10Bi8Zn3 Miba 6K / 6G /4B / 3H / 3G

In addition, Miba offers a wide range of other alloys in its product portfolio. We would be happy to advise you on which alloy is best suited for your application.

Alloy Miba Portfolio
AlSn12Si2,5 Miba 15 / Miba 1E
AlSn6Si2Cu1 Miba 1A
AlSn6Si4 Miba 15 / Miba 1E
AlZn5Bi3Si1,5Cu1 Miba 29
CuSn4,5Zn0,8Ni0,6Ag0,4 Miba 6K / 6G /4B / 3H / 3G
CuZn20Al2 Miba 6K / 6G /4B / 3H / 3G
AlSn20Cu1 Miba 14
CuSn5Zn1 Miba 6K / 6G /4B / 3H / 3G
CuZn20Al2Mn2Ni2Fe1,5 Miba 6K / 6G /4B / 3H / 3G
CuSn10 Miba 6K / 6G /4B / 3H / 3G
CuSn10Bi8 Miba 6K / 6G /4B / 3H / 3G

Why customers choose Miba

High-stress applications place specific demands on their bearing assemblies. For this reason, there is rarely a standard solution that is the optimal choice under all operating conditions. Rather, the key is to combine the appropriate bearing material with the correct bearing design and a deep understanding of the specific application.

 

This is exactly where Miba comes in. The close integration of materials development, application engineering and validation results in bearing solutions that can be specifically tailored to the requirements of each application and its operating conditions. Extensive simulation capabilities, along with state-of-the-art test bench and testing facilities, make it possible to evaluate and optimize bearing designs under realistic conditions even during the development phase. Customers benefit from Miba’s decades of experience with demanding applications across various industries, as well as from a broad portfolio of high-performance bearing materials and coating technologies.

 

This results in solutions that deliver high load-carrying capacity, reliability, and long service life—even under demanding operating conditions. Our experts would be happy to advise you on selecting the right bearing for your application

 

Send a request now!