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SKF imported bearing selection method

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1. Selection of SKF imported bearing types: SKF imported bearing types are usually selected by the user's technical personnel according to the operating conditions of the supporting products and the receiving load. The business personnel first know whether the user's practical load can be selected with the selected SKF bearings. Consistent; if SKF imported bearings do not meet the operational needs; should promptly advocate the type of customer reorganization; but unless the special product is usually not a problem in the selection type.
2, SKF imported bearing clearance selection: users usually only report the type and grade when purchasing bearings; rarely ask for the clearance of SKF bearings; business personnel need to ask about the application conditions of SKF bearings In the meantime, the speed, temperature and cooperative civil service of SKF imported bearings are directly related to the selection of bearing clearance. Generally, most of the motors with a speed of 3500 rpm or less use CM clearance; for high-temperature high-speed motors, the demand is relatively large. After the installation, SKF imported bearing clearance will be reduced due to the increase of the inner hole and the reduction of the outer circle; the reduction of the clearance = the interference amount × 60% (the SKF imported bearing chamber is aluminum). For example, the SKF imported bearing installation clearance is 0. 01mm; the installation interference is 0. 01mm; then the SKF imported bearing installation clearance is 0. 004mm. In theory, SKF imported bearings in zero clearance noise and life The number has reached the best condition; however, in the practical work, the temperature rise and other problems are considered; the SKF bearing has a clearance of 0. 002mm-0.004mm after installation.
3, the selection of grease: the selection of grease is usually based on the SKF bearings bearing speed, temperature conditions, noise requirements and starting torque, etc.; demand business personnel on the function of various greases are well known.
4, SKF imported bearing seal type selection: SKF imported bearings can be divided into smooth and smooth grease. Oil smooth SKF bearings are usually the choice of bearings; grease smooth SKF bearings are usually sealed with dust or rubber seals. The dust cover is suitable for high temperature or good environment; the seal is divided into two types: touch seal and non-touch seal; touch seal has good dustproof function but large starting torque; non-connected seal starting torque. Waving money.

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