美国采购需求：TRP、RPF、SRP、罗茨泵机组

We recently received a certain vacuum pump and were informed that its 380 VAC 3-phase 50 Hz motor can also operate at 480 VAC 3-phase 60 Hz. While I understand the voltage-to-frequency ratio is fairly close, I'm concerned about whether the pump and its bearings can handle the increased RPM associated with this setup. Could you please confirm if the pump is designed for such conditions? Additionally, any insights on performance and durability under these parameters would be valuable. Thank you!