Precision bearings according to ISO grading standards are divided into: P0, P6, P5, P4, P2. Rank higher in turn, where P0 is the general accuracy, other grades are precision level. Of course, different classification standards, different types of bearings, their classification method somewhat different, but the meaning is to the. The use of performance requirements of precision bearings rotating body with high runout accuracy, high-speed rotation and small changes in friction and friction.
2013年9月4日星期三
Wind Turbine Bearings SKF - Nautilus bearing
SKF Precision bearing distributor in China editing, along with the development of wind turbines, wind power generators become the development trend of the market, and one of its main components bearing various suppliers also become the target relative to catch up. SKF Group in order to meet this goal developed for wind turbine SKF Nautilus bearing tapered roller bearings.
SKF specially developed for high-power wind turbines large contact angle of tapered roller bearings Nautilus bearings. SKF Nautilus bearing for the back to back in the form of tapered roller bearings, with the larger the contact angle (45 °). SKF Nautilus bearing not only allow single bearing spindle configurations as possible, while greatly reducing the traditional design of the drive chain length so compact wind turbine designs. Of course, this design also ensures the bearing or drive all the features.
SKF Nautilus clutch bearing a remarkable feature is its use of a segmented plastic cage, segmented cage design, as each individual component is very small, and no intermediate links, even in the loaded state of the bearing will not affect the deformation of the shape of the cage and the rolling element guide. Also, because each component only four rolling, therefore, the holder will be generated by the friction is reduced to a minimum range. SKF Nautilus bearings of plastic, not only to ensure adequate strength, and its lighter weight to ensure the rotation of the bearing performance, while reducing the friction in the bearing, so that the application of more reliable and lubricating higher selectivity.
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