The Gotthard Base Tunnel is the longest rail tunnel on Earth when it opened on June 1, 2016, connecting Zurich and Milan. Timken worked closely with the customer, reliably supplying 25,000 TimkenÆ Tapered Roller Bearings to help cut through 95 miles of granite in the heart of the Swiss Alps. See how the Timken teamís engineering know-how and steadfast customer service were instrumental in keeping the project six months ahead of schedule.