2020-05-06
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Deep groove ball bearing base bore system, why is it negative tolerance?
The reason to start with deep groove ball bearings is that several bearings 6204 have been bought in the last few days.Below the rolling bearing branch are radial bearings, radial bearings include deep groove ball bearings or radial ball bearings. The bearing bore dimensions of the base bore system are negative tolerances.
How do I remove and install rolling bearings?
When replacing a damaged rolling bearing, the bearing can be removed with a screw-type pull-off tool, or pressed out of the inner sleeve or jacket. For the bearing pulling out or pressing out, pay attention to the point of pressure should be uniformly acting on the bearing inner sleeve, the direction of force should be parallel with the axial center; do not allow the bearing sleeve to move out of the transmission shaft in an inclined way, in order to avoid the bearing sleeve strain the transmission shaft working surface.
The choice of mounting method for rolling bearings is determined by the size of the overload between the bearing and the mating shaft. Hand hammering can be used to assemble the smallest size of the excess. When hitting with hand hammer, pay attention to the pressure point should correspond to the alternating hitting, the force should be even; with the shaft to fit the bearing, hit the inner sleeve; with the bearing seat to fit the sleeve, hit the jacket.
The choice of mounting method for rolling bearings is determined by the size of the overload between the bearing and the mating shaft. Hand hammering can be used to assemble the smallest size of the excess. When hitting with hand hammer, pay attention to the pressure point should correspond to the alternating hitting, the force should be even; with the shaft to fit the bearing, hit the inner sleeve; with the bearing seat to fit the sleeve, hit the jacket.
2020-05-06
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