Koyo delivers mega bearing for tunnel excavating machine

A Roller Bearing is really an extraordinary piece of mechanical engineering. The smallest types have a diameter of no more than a few millimeters and are used in dentist drilling devices with maximum rotation speeds of more than 30.000 rpm, while the largest ones are used in tunnel drilling equipment and measure more than 7 meters in diameter, while rotating at no more than a few rpm's per day.

Linked is an article about one of Koyo's mega bearings for such an application.

http://www.bearing-news.com/delivers-77m-diameter-slewing-bearing-for-one-of-japans-largest-tunnel-excavation-shield-machines/

FAQ

Was ist ein Rillenkugellager?

Rillenkugellager sind die häufigsten Lagertypen, die in vielen Anwendungsfällen zum Einsatz kommen. Dieser Lagertyp unterstützt radiale Belastungen und einen bestimmten Axialbelastungsgrad gleichzeitig in beiden Richtungen. Rillenkugellager sind in vielen Ausführungen erhältlich,; als abgeschirmte und abgedichtete Typen sowie als Typen mit Federringen.

Weitere Informationen finden Sie hier unter „Produkte“.

You may communicate us your personal data in the frame of using our website. JTEKT Europe Bearings B.V. and its affiliates undertake to comply with the European General Data Protection Regulation (GDPR May 25th 2018) and shall process your data in compliance with GDPR. In case, you would like to proceed with your rights (refusal, information, access, erasure, restriction, portability), you can send a request to dpo.jeo@jtekt.eu. Our privacy policy is available at: www.jtekt.co.jp/e/privacy3.html

I understand