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Precision engineering company Schaeffler has launched a new compact bearing unit for wind turbine main rotors.
The company said the double-row tapered roller bearing unit in an ''O'' arrangement is greased, sealed and supplied pre-assembled.
It is flanged onto the rotor via the inner ring and to the nacelle via the outer ring.
The internal clearance is already preset, which reduces logistics and installation costs, Schaeffler said.
The company said it used its Astraios bearing test rig to help develop the tapered roller unit.
-2017 China(Guangzhou) Int¡¯l Bearing and Equipment Exhibition
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