The selection of the center hole of the gear mainly depends on the diameter of the shaft that can be matched with it, so the hole diameter must be selected after the diameter d of the shaft is selected.
The selection of the gear center hole depends mainly on the diameter of the shaft that can be matched, so the aperture must be selected only after selecting the diameter d of the shaft.
The selection of gear center hole mainly depends on the diameter of the matched shaft, so the diameter of the shaft d must be selected before the selection of the diameter.<br>