Purchase considerations about choosing bearing grease
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Purchase considerations about choosing bearing grease

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Company: WuXi JOBST BEARING CO.,LTD Located in WuXi, China, JOBST Bearings is a leading bearing manufacturer that only offers the latest, state of the art ball bearings and roller bearings around the world. From miniature bearings to huge heavy industry bearings, we're committed to providing our customers with only the best.

Key Words: China Bearing; Cheap Bearings; 6203 Bearing
Website: www.bearing-china.cc

Bearings in the use of rational use is the main method of life extension. The rational use of the main bearing good lubrication of the bearing. For lubrication of bearings to achieve the best, the choice of grease is critical.

Select the bearing grease must be considered from the following aspects:

1, anti-rust properties used in the grease in the bearing must have rust, rust inhibitor preferably insoluble in water. Oil should have good adhesion and can form a film on the steel surface.

2, the mechanical stability of the grease in the mechanical processing will become soft, leading to leakage. In normal operation, the oil will be flung by the bearing housings. If the mechanical stability of the oil is not enough, during operation, will produce oil soap structure mechanical disintegration, causing oil to be destroyed, and thus lose lubrication.

3, seal is required to protect bearings and lubricants from external contamination barrier bearing during operation, regardless of debris or moisture can not penetrate the bearings, to avoid causing their destruction. Correct installation and maintenance is to play an important factor bearing longest life. At the same time, we must pay attention to the cleanliness of the bearing, bearing selection is correct and choose the appropriate installation and maintenance tools. In addition, the bearings must be protected against contamination and moisture contamination, and to ensure that there is proper installation and lubrication. Therefore, with the column bearing design, condition of seals, lubricant type and lubrication intervals, as well as specialized care are the same plays and important role.

4. Mix oil Never put grease incompatible mix, if two incompatible mix of oil, which usually becomes soft consistency, the final result may be the loss of fat easily damage the bearings. If you do not know the original bearing grease which is used, you must completely remove the old grease inside and outside of the bearing before adding new oil.

5, the main oil classification according to the temperature and working conditions distinguish: oil according to their allowable operating temperature classification, consistency and lubrication oil capacity is affected by the operating temperature of the bearing operating at a temperature must choose the same correct grease consistency and good lubricating effect of temperature. Grease in a different operating temperature range of manufactured, can be broadly divided into low temperature, medium temperature and high temperature use with grease. At the same time, there is a class of fats called anti-extrusion or extrusion resistance and molybdenum disulphide, the same time, which with additives to enhance the strength of the lubricant film.

6, Select a grease, the base oil viscosity at its operating temperature to provide adequate lubrication is very important, mainly affected by temperature viscosity which decreases as the temperature rises, when the temperature drops it is increased. Therefore, we must know the base oil viscosity at working temperature. Machinery manufacturers often specify the use of certain oils, although the scope of most of the standard grease for very wide.

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