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Mechanical dismounting

When removing inner and outer rings which have been installed with interference fits, proper disassembly pullers must be employed to prevent the internal damage of bearings’ raceway or rolling elements. People should consider both puller type and maximum withdrawl capacity since it is crucial for completing any dismounting job safely and easily. Puller overload can result in breakage of the puller’s arms or beam and therefore shuld be avoided. In general, it is recommended to use a three arm puller as shown following rather than two arm puller as three arm puller is more stable and has stronger withdrawal capacity. .

Although a claw tool is used and then dismount the bearing, it may still spoil the bearing if shaft or housing design did not take disassembly into consideration. HCH suggest our customers can provide knockout slots, puller grooves or axial holes on adjacent bearing parts for easy bearing removal.

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