Japanese Seiko (NSK) developed to achieve high reliability in harsh environments with high reliability seals wheel bearings, the goal is to expand sales in emerging market countries, including on the world market, and strive to 2016achieve sales of 4 billion yen. The wheel bearings are mounted on the wheel parts and components installed in the car body design as one of the components bearing.
Seiko of Japan has been on the world market in emerging market countries, such as sales of bearings with high water resistance, high ring section. The wheel bearings are usually installed in the vehicle by the road nearest location, easily stained with mud and water, but also support the important parts of the body, thus requiring high reliability.
Especially in Russia and other regions affected by the impact of low-temperature environment unique to poor road conditions, snow, ice, frost, mud and Paved Roads will continue to enter the wheel bearings, wheel bearings to withstand the mud higher than the high sealing ring models. In addition, emerging market countries in recent years with the advancement of environmental protection initiatives, there is CO2 emission reduction requirements, and gasoline prices are rising, improve automobile fuel efficiency become a top priority, thus requiring the wheel bearings reduce the friction while improving reliability .
Japanese Seiko by changing the sectional shape of the seals, the outside of the main lip additional deputy lip to prevent mud immersion hinder lip movement. As a result, they achieve 1.5 times the original resistance of mud and water resistance. Vice lip outer space than it is now outside of the main lip narrow space, can be reduced to mud accumulation of space, so that mud is not easy to accumulate.
Control the size of the new seals in the same extent as the original high ring, therefore, can not change the wheel bearing size, high reliability seals. Also, by computer analysis to optimize the ring lip surface pressure distribution, additional vice lip, the sliding friction of the seals will not be a substantial increase. These improvements, with the original wheel bearing the same friction loss.
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