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NSK import bearings in the cylindrical empty correct installation method

by：Waxing 2020-09-23

Familiar with import bearing installation friends all know that if during the installation process using the correct method, can make the imported bearing installation much easier. Today I will introduce how to install inside the cylindrical empty import bearings. On imported bearing the separation type bearing installation, available press will import bearing installed on the shaft first, and then the shaft together with the imported bearing installed to import bearing hole, if the imported bearing is small, also can use soft metal hammer tap import bearing ferrule end face forced to. Note that tapping force must be evenly distributed on the imported bearing ring. Separation because the inner ring and outer ring of imported bearing installed easily loaded on the shaft or imported bearing respectively. At this point that should be noticed is to insert the inner ring of the axis of the outer ring imported bearing box should try to keep it together, so as to avoid scratch rolling element and raceway. When imported bearing size is bigger, because the required installation force is bigger, would first need to import bearing inner ring or for bearing heating again after installation. Heating mode can be adopted methods of electric induction heating, heating oil bath. When installed in hot, should strictly control the heating temperature. When heating import bearings, should be in commonly 80 ~ 1000 ° C, top shall not exceed 1200 ° C. Note: the dust cover or seal imports bearing can't heating, otherwise it will cause loss of lubricant.

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