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SKF bearing disassembly and installation

wallpapers News 2021-09-23
SKF bearing disassembly and installation
If there are iron filings, burrs, dust, and other foreign bodies in THE SKF bearing, it will make THE SKF bearing produce noise and vibration during operation, and even damage the raceway and rolling body. Therefore, before installing SKF bearings, you must ensure that the installation surface and installation environment are clean.
When installing, do not directly hammer SKF bearing end face and non-stressed surface, should be pressed block, sleeve, or other installation tools to make SKF bearing uniform force, do not install by rolling body power transmission. If the mounting surface is lubricated, it will make the installation more smooth. If the fit interference is large, SKF bearings should be put into mineral oil and heated to 80~90℃ after the installation as soon as possible, strictly control the oil temperature does not exceed 100℃, prevent the tempering effect hardness reduction and affect the size recovery. When encountering difficulties in disassembly, it is recommended that you use the disassembly tool to pull outward while carefully pouring hot oil on the inner ring, the heat will make the SKF bearing inner ring expand so that it is easier to fall off.
SKF bearing cleaning and grease selection
SKF bearing surface coated with anti-rust oil, you must use clean gasoline or kerosene carefully cleaned, then coated with clean quality or high-speed high-temperature lubrication grease can be installed and used. Cleanliness has a great influence on SKF bearing life and vibration and noise. But we would like to remind you that fully enclosed SKF bearings do not need to be cleaned and refueled.
Lubrication has a very important effect on the operation and life of SKF bearings. Here you will be briefly introduced to the general principle of grease selection. Grease is made of base oils, thickeners, and additives. Different types and different brands of grease of the same type differ greatly in performance, and the allowable rotation limit is different, so be sure to pay attention to the selection. The performance of grease is mainly determined by the base oil. Generally, the base oil with low viscosity is suitable for low temperature and high speed, and the base oil with high viscosity is suitable for high temperature and high load. The Thickening agent is also related to lubrication performance, the resistance to water of the thickening agent determines the resistance to water of the grease. In principle, different brands of grease can not be mixed, and even the same thickening agent grease, due to different additives will bring bad effects on each other.
 

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