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SKF imported bearing installation and maintenance knowledge

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Do not directly hammer the end surface and non-stressed surface of SKF bearing during installation. Press blocks, sleeves or other installation tools should be used to make SKF bearings evenly stressed. Do not install through the transmission force of rolling elements. If the installation surface is coated with lubricating oil, the installation will be smoother. If the matching interference is large, the SKF bearing should be installed as soon as possible after being heated to 80~90℃ in mineral oil. The oil temperature should be strictly controlled not to exceed 100℃ to prevent the tempering effect from reducing the hardness and affecting the size recovery. When the disassembly is difficult, it is recommended that you use the disassembly tool to pull outwards and carefully pour hot oil on the inner ring. The heat will expand the inner ring of the SKF bearing and make it easier to fall off.

When lubricating SKF bearings, the more grease is applied, the better. This is a common misconception. Excessive grease in SKF bearings and SKF bearing chambers will cause excessive stirring of the grease, resulting in extremely high temperatures. The amount of lubricant filled in SKF bearings should be 1/2 to 1/3 of the internal space of SKF bearings, and should be reduced to 1/3 at high speeds.

Lubrication has an extremely important effect on the operation and life of SKF bearings. Here is a brief introduction to the general principles of choosing lubricating grease. Grease is made of base oil, thickener and additives. The performance of different types and different grades of the same type and different grades of grease vary greatly, and the allowable rotation limit is different. Please pay attention when choosing. The performance of grease is mainly determined by the base oil. Generally, low-viscosity base oil is suitable for low temperature and high speed, and high viscosity is suitable for high temperature and high load. The thickener is also related to the lubricating performance, and the water resistance of the thickener determines the water resistance of the grease. In principle, greases of different brands cannot be mixed, and even greases with the same thickener will have a bad influence on each other due to different additives.
calendar Until 25/04/2021 07:00:00 expired

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