The advantages of the import bearings rolling

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1. The import bearings rolling friction coefficient than sliding bearing small, high transmission efficiency. General sliding bearing of the friction coefficient is 0.08-0.12, and import bearings rolling friction coefficients of just 0.001-0.005;< br />2. Import bearings rolling has been realized standardization and serialization, generalization, and is suitable for mass production and supply, use and maintenance is very convenient;
3. Import bearings rolling with imported bearing steel manufacturing, and after heat treatment, therefore, ball bearing suppliersrolling import bearings not only has high mechanical performance and long service life, and can save making sliding bearing the price of imported used more expensive nonferrous metals;
4. Import bearings rolling internal small clearances, the parts processing precision is higher, therefore, high precision operation. At the same time, can add load method gets through to the increased import bearing rigidity. This is very important for precision machinery;
5. Some rolling import bearing can be both radial load and axial load, therefore, can simplify the structure of th e import bearing support;
6. Due to import bearings rolling of high transmission efficiency, less heat, therefore, can reduce oil consumption, lubrication maintenance is convenient;
7. Import bearings rolling can be easily used in any orientation of the uranium in space.
But, all things are two sides,ball bearing supplier import bearings rolling also has certain shortcomings, mainly are:
1. The rolling bearing load of import than the size of the same ability of sliding bearings imported much smaller, therefore, rolling bearing radial dimensions of import. So, in to bear large load of occasions and requirements of small size, structure radial requirement compact occasions "as of the internal combustion engine crankshaft import bearing), use more imported sliding bearing;
2. Rolling import bearing vibration and noise is bigger, especially in the late use particularl y remarkable, therefore, the high precision requirements, and shall not suffer a vibration occasions, rolling import bearings are difficult to do, the general selection sliding bearing of import better effect
3. Import bearings rolling of metal, and other eyewinkers particularly sensitive, import bearings inside once in foreign body, can produce in an intermittent larger vibration and noise, also can cause early damage. In addition, import bearings rolling for metal mingled with mass also easy to the possibility of an early damage. Even if not occurred early damage, the life of the import bearings rolling also have certain limit. In short, rolling bearing life is sliding import import bearings shorter.
But, rolling bearing and sliding import bearings imported compared, has its advantages and disadvantages, each taking a applicability, and therefore, they cannot completely replace each other, however, because of the import bearings rolling prominent advantages, at p resent, rolling import bearings has become the main bearing type machinery, application more and more widely.high speed bearings