NSK Develops Ultra High-speed Ball Bearings for Motors and Power Generators in Next Generation Hybrid Vehicles(pic)
Auto manufacturers have a growing need for ultra high-speed rotation technologies to secure output power while they continue scaling down the size and weight of drive motors and power generators in order to improve fuel economy in next-generation hybrid systems.
NSK's new ball bearings, which are for use in motors and power generators in next-generation hybrid vehicles, will deliver ultra high-speed rotation of at least 30,000 revolutions per minute, 50% faster than conventional bearings. The product facilitates miniaturization of next generation hybrid systems while enabling ultra high-speeds in drive motors and power generators.
NSK designed the new product to improve fuel economy in compact to full-size next-generation hybrid vehicles, and expects annual sales of 2 billion yen for this product by 2015.
The new product will be exhibited at the 41st Tokyo Motor Show 2009 to be held at the Makuhari Messe International Convention Complex in the city of Chiba from Wednesday, October 21 to Wednesday November 4.*
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