In 2008, the county produced 35,000 cubic meters of marble blocks and 1.3 million square meters of marble plates, completing the annual planning tasks; producing 420,200 tons of heavy calcium carbonate products, an increase of 27.3%; the stone industry realized an output value of 639 million yuan. The growth rate was 59.6%, accounting for 53.9% of the county's total industrial output value; the sales income was 63.22 million yuan, an increase of 92.90% over the same period of last year, accounting for 40.6% of the county's industrial profits and taxes. The stone industry continues to be the basic pillar industry in the development of Baoxing County's national economy.
Deep groove Ball Bearing is the most representative structure in rolling bearing, which is widely used. In addition to radial load, this kind of bearing can also be loaded with bidirectional axial load. The friction torque is small, and it is most suitable for adjusting rotation, low noise and low vibration. Bearings are widely used in automobile, electrical, instrumentation, construction machinery, agricultural machinery and various professional machinery. This kind of bearing has open and closed deformation structure.
Deep groove ball bearings consist of an inner and outer ring with a cage containing a complement of precision balls. The standard Conrad-type bearing has a deep-groove construction capable of handling radial and axial loads from either direction in versatile designs that permit relatively high-speed operation.
Deep groove ball bearing is the most representative structure in rolling bearing, which is widely used. In addition to radial load, this kind of bearing can also be loaded with bidirectional axial load. The friction torque is small, and it is most suitable for adjusting rotation, low noise and low vibration. Bearings are widely used in automobile, electrical, instrumentation, construction machinery, agricultural machinery and various professional machinery. This kind of bearing has open and closed deformation structure.
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