Vertical pump in engine room experiences high axial vibration at DE bearing.
Marine Tanker Vessel Ballast pump 240 KW 1175 rpm Electrically operated Vertical pump.
Motor situated in Engine room and coupling shaft to the pump with DDE and NDE bearings.
During operation the Axial vibration only showing high at DE bearing and not significant at NDE bearing.
Please share your ideas with linked in group to learn lessons from this case study. Further any information required we can share with you all on request. DNV GL IACS vibration limits for Vertical Pumps 10.5 mm/s