MRO Magazine

News

Big roller bearings get job on world’s largest mining truck

Canton, Ohio -- The wheel bearings on the world's largest mining truck, the new Liebherr T282 B, will be supplied b...


Canton, Ohio — The wheel bearings on the world’s largest mining truck, the new Liebherr T282 B, will be supplied by The Timken Company, it has been announced. Measuring 7.4 meters (24 ft) high, 8.8 meters (29 ft) wide and 14.5 meters (47 ft) long, the truck has a payload of 363 metric tons (399 tons).

To put its size into perspective, the Liebherr T282 B is nearly the size of a two-storey, 251- to 279-square meter (2,700- to 3,000-sq ft) house. It debuted to more than 400,000 attendees at the Bauma 2004 construction and mining equipment exhibit in Munich, Germany, and will make its United States debut in Las Vegas at the MINExpo Show in September.

Eight Timken tapered roller bearings are included on the axles of the truck, two per wheel. The front wheel bearings have a 470 mm (18.33-in.) bore and 650 mm (25.35-in.) outside diameter. The rear wheel bores are 750 mm (29.25-in.) and have a 990 mm (38.61-in.) outside diameter. The bearings are made at Timken plants in Europe and the United States. The trucks are assembled at Liebherr’s Newport News, Va., facility.

Liebherr (www.liebherr.com ) manufactures construction machinery, and is also a supplier of technically innovative, user-oriented products and services in numerous other fields. Since 1949, the family business has grown into a group of companies, The Liebherr Group, employing a workforce of approximately 21,000 in more than 90 countries.

The Timken Company (www.timken.com ) is a global manufacturer of highly engineered bearings and alloy steels and a provider of related products and services with operations in 26 countries and about 26,000 employees.