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The RAU offers a compact, lightweight design. Its integrated structure enables versatile mounting for both inner and outer ring rotation applications.

What makes the RAU unique?

Compact and Rigid

More compact, lighter and more rigid than a double row angular contact ball bearing.

Light Weight

Reduces cross-sectional area by 57% versus the RA model, enabling lighter weight. Models available with smallest-ever inner diameters.

Integrated Structure

Integrated structure, which combines components into a single unit, enables both inner and outer ring rotation. 


Comparison Diagram: RAU5005 vs RA5008

The RAU5005 achieves a 57% reduction in cross-sectional area and
60% reduction in mass compared to the RA5008.

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