can u give some more details of the problem
(a) some engine specs / where i can get them
(b) the detail of the rest of your shafting including couplings
(c) oil flow to middle bearing / type of oil
(d) material of the bearing
right
raj
hi,
i think you are looking for a factor called as the wetted surface area which more than others would determine the resistance required to be overcome in this case.