Fuzhou of fujian digital bearing factory

Fuzhou of fujian digital bearing factory bearing size from 2 mm to 6 m since the childhood, size vary widely. The small miniature bearing size is inner diameter 0. 6毫米× Outside diameter 2. 0毫米× The thickness of 0. 8 mm, is used for micro motor. And large bearing outside diameter up to 6 meters, weight of 15 tons or more, the bearing is used in the excavation of tunnel large shield construction machine. Dover strait linking Britain and France were digging cross-sea tunnel, is to use this kind of shield machine, which use the large bearing. Dentists use drill (at 400000 revolutions per minute Commonly known as dental mobile phones) , equipped with ultra high speed rotation of the bearing. This is two inner diameter 3. 0毫米× Outside diameter 6. 0毫米× 2 mm width, ball diameter of 1. 0 mm hyperfine bearing. They can in '400000 revolutions per minute the incredible speed at which the rotation, greatly reduce the vibration of the dental, thereby significantly reducing the patients in the treatment of pain. Ball speed 160 meters per second international airline passenger jet V2500 with launch machine spindle bearing, the rolling roller speed up to 160 meters per second, equivalent to 580 kilometers per hour. It is due to the use of high-performance high-speed bearing, machine ability long-term safe operation, to passengers safely sent to all over the world. The amplitude of 100 nanometers' mechanical precision depends on the rotating precision of bearing, this did not exaggerate. The ends of the axis of rotation is supported by two bearings, if the axis of shaking is big, the mechanical properties of unable to progress. Is made of super fine bearing computer peripheral storage devices' hard drive ', the amplitude of the axis of less than 100 nanometers ( 1 nm = 1/1000000 of a millimeter) 。 And the key to reach such a high precision, such as' ball 'and' roller roller precision. Can work in space 15 years the universe development is inseparable from the bearing. The weather forecast, satellite broadcast television signals? Car GPS information, etc. , are provided by the flight around the earth's satellite. Satellite is equipped with satellite position and heading a gyroscope, hyperfine bearings in gyroscope. This kind of bearing, 15 years in continuous work in space. Minus 500 degrees to 253 degrees above freezing in the world of aerospace rocket liquid fuel pump bearing, is to use low temperature of bearing. The bearing of 253 ℃ below zero liquid hydrogen. Of bearings used in high temperature environment to medical CT scanner in special high performance bearing as the typical representative. At temperatures as high as 300 to 500 ℃ in the X-ray tube, high temperature bearing can also constantly running, in order to ensure our well-being and play a role. In hangzhou, zhejiang province, in an article: a bearing manufacturer to produce two types of needle roller bearing is a special one: jiangxi nanchang bearing manufacturer actively FAG bearing heat treatment