Abstract: A new typical structure bearing-the conical floating-ring hybrid bearing is developed and the entire theoretical analysis, finite element computing and experimental study are completed for this brearing. Basic defferential and integral equation-group and boundary condition are derived. A designning norm is put forward according to which the floating-ring is started always easily and reliably. The problem that it has to alternate much time and convergence progress is very slow in computing is better solved. The 3-D pressure distribution in inner and outer oil film and the stationary characteristics of this bearing are given and the change law of the shaft-centre, floating-ring-centre and the velocity-ratio on the ring to shaft etc are brought to light, Two test sample have been made and the experimence is successful. The results of the compute and experimence have made clear that this bearing has many advantages and it can be predicted that this bearing will find wide use in the precision grinder area and other rotary machinery at high speed.

Key words: Conical hybrid bearing, Finite element, Floating-ring bearing