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1. SKF bearing requirements for installation surface and installation place

If there are iron filings, burrs, dust and other foreign objects in the SKF bearing, it will cause the SKF bearing to produce noise and vibration during operation, and even damage the raceways and rolling elements. Therefore, before installing SKF bearings, you must ensure that the installation surface and the installation environment are clean.

2. SKF bearings must be cleaned before installation

The surface of SKF bearings is coated with anti-rust oil. You must clean it carefully with clean gasoline or kerosene, and then apply clean, high-quality or high-speed and high-temperature lubricating grease before installation. Cleanliness has a great influence on SKF bearing life and vibration and noise. But we want to remind you in particular: fully enclosed SKF bearings do not need to be cleaned and refueled.

3. The choice of SKF bearing radial clearance

Not all SKF bearings require the smallest working clearance, you must select the appropriate clearance according to the conditions. In the national standard 4604-93, the radial clearance of rolling SKF bearings is divided into five groups-2 groups, 0 groups, 3 groups, 4 groups and 5 groups. The basic radial clearance group is suitable for general operating conditions, normal temperature and commonly used interference fit; SKF bearings that work under special conditions such as high temperature, high speed, low noise, low friction, etc. should choose large radial clearance; For precision spindles and machine tool spindles, SKF bearings should use smaller radial clearance; for roller SKF bearings, a small amount of working clearance can be maintained.

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