Rothe Erde slewing bearings are for decades state-of-the-art technology and practice-proven all over the world, in a wide variety of applications.Rothe Erde manufactures slewing bearings up to diameters of approx. 8,000 mm as monobloc systems and segmental bearings in larger dimensions. Rothe Erde slewing bearings are manufactured in Germany and by Rothe Erde subsidiaries in Great Britain, Italy, Spain, the United States, Brazil, Japan and China. The market presence of Rothe Erde in all major industrialised countries is maintained by own distributors or sales agencies.Total commitment to quality is common to both, our domestic and foreign production facilities. All services and areas from applications consulting to design and manufacturing, including comprehensive customer service, are based on the international DIN EN ISO 9001:2000 quality standard series. Rothe Erde disposes of the largest testing facility for slewing bearings worldwide and its intensive and specific research and development work provides the slewing bearing technology time and again with new impulses, thus offering the market innovative, future-orientated solutions.Rothe Erde develops with the machine manufacturer the optimum cutter head bearing for hard-rock or soft-rock drilling based on the various specific requirements.