SKF’s double clutch bearing set and clutch support angular contact ball bearing are specifically designed for double clutch transmissions. They are robust and can resist very high temperatures and loads. This improves transmission reliability and extends lifetime.
SKF software is used for rapid optimisation of the design proposals for each customer application and validation is done by simulation and rig-testing according to the expected operating conditions. Double clutch transmissions deliver higher efficiency and reduce fuel consumption and CO2 emissions compared to standard transmissions.
The double clutch bearing set is used to decouple the engine from the gearbox for gear changing. The two bearing units can be used in dry or wet clutch applications and are very compact and lightweight, with sheet metal stampings for the structural components.
The internal bearing geometry has been optimised to minimise contact pressure and to carry the very high loads associated with double clutch transmissions. Selected materials have been used for the bearing cage, grease and seals (for dry clutches) to withstand the increased temperatures in such transmissions. The design includes self-alignment and radial guiding of the bearings.
The clutch support bearing is an angular contact ball bearing which guides and locates the clutch driving plate as it transfers loads from the engine to the gearbox. Designed to carry very high axial loads coming from the two clutches, it is greased and sealed for life with selected materials to withstand even higher temperatures than the double clutch bearing set, going up to 240°C.
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