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Spherical roller bearings for harsh, heavy duty applications

26 August 2010

X life E1 spherical roller bearings from Schaeffler offer longer operating life, improved machine performance and higher reliability in harsh operating environments. The E1 range, which has now been expanded to include eight bearing series with bore diameters from 20mm up to 1,220mm, is suitable for a wide range of applications, including continuous casting machines used in steel processing, paper mills, wind turbine rotor shafts, and vibrating screens. The bearings are suitable for applications where very high load carrying capacities and reliability are key design criteria.

Many bearing sizes within the E1 spherical roller bearing range can now be converted to X-life quality. These bearings have no central rib on the inner ring and are therefore able to use longer barrel rollers. Furthermore, the bearings benefit from improved kinematics, optimised surfaces and are made from higher performance materials. As a result, the basic dynamic load rating and basic rating life (under similar operating conditions) are improved significantly. This means that in certain applications, a smaller bearing solution can be provided.

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