In this paper,based on the actual situation of swivel device of single point mooring system for 300,000-ton oil tanker developed by the author's company,and comprehensively considering the special requirements of offshore single point mooring oil transfer on swivel device bearing,the environmental load borne by swivel device bearings was calculated and analyzed,and the technical type demonstration and bearing capacity verification were carried out.Finally,the bearing type of the oil transfer rotary joint for complex sea conditions was determined.
single point mooringswivelenvironmental loadbearing selection