From 21st to 26th of April 2018, Liebherr Components premieres at the World Tunnel Congress - the world's leading tunnelling event. This time, the trade show brings together tunnel and underground space experts in Dubai (UAE). To gain more visibility within the tunnelling industry, Liebherr is featuring its slewing bearings portfolio particularly designed for the tunnelling segment. These are, for example, main and erector bearings for the tunnelling boring machines.
Main bearings connect the cutter head with the thrust system and carry all the cutter head loads for a secure and continuous operation. For that, various bearing configurations may be used, for example, triple-row cylindrical roller bearings as main bearings or, alternatively, double-row tapered-roller bearings. Erector bearings are, in turn, designed as either single-row four-point bearings or cross-roller bearings. These are applied for the positioning of tunnel sections. The slewing bearings by Liebherr are specially developed for applications under rough underground conditions. The bearings are available with a diameter of up to 9,000 mm and are used in subway projects, for example in Mumbai, London and Qingdao. To learn more about the bearing solutions from Liebherr visit us at the exhibition hall, booth 74.
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