when inserted into the bearing hole, so that the top wire bearing on the top into the concave hole on the shaft?
There is no need to open the hole! A small platform is fine, too, if the location is not required! Otherwise, it is inconvenient to install the alignmentAskDoes it make sense that shafts with large torque apply?Chasing the answerIt's fine too！ The inner bore of the bearing is interference fit! The screws are tight enough!
A small platform is fine, too, if the location is not required! Otherwise, it is inconvenient to install the alignment
Position the top wire on the shaft and slide it in with a bit
