cre ase ▁in ▁relative ▁velocity ▁tends ▁towards ▁a ▁decrease ▁in ▁ecc ent ric ity ▁of ▁journal ▁bearing ▁cent ers ▁ ▁This ▁is ▁accompanied ▁by ▁greater ▁minimum ▁film ▁thick ness ▁ ▁H yd rod ynamic ▁condition ▁– ▁load : ▁ ▁In cre ase ▁in ▁load ▁decre ases ▁minimum ▁film ▁thick ness ▁ ▁Also ▁increases ▁pressure ▁within ▁the ▁film ▁mass ▁to ▁provide ▁a ▁counter act ing ▁force ▁ ▁Press ure ▁acts ▁in ▁all ▁directions , ▁hence ▁it ▁tends ▁to ▁s que e ze ▁the ▁oil ▁out ▁of ▁the ▁ends ▁of ▁the ▁bearing ▁ ▁In cre ase ▁in ▁pressure ▁increases ▁fluid ▁vis cos ity ▁ ▁Bear ing ▁characteristic ▁number : ▁Since ▁vis cos ity , ▁velocity , ▁and ▁load ▁determine ▁the ▁characteristics ▁of ▁a ▁hyd rod ynamic ▁condition , ▁a ▁bearing ▁characteristic ▁number ▁was ▁developed ▁based ▁on ▁the ▁effects ▁of ▁these ▁on ▁film ▁thick ness . ▁▁ ▁In cre ase ▁in ▁velocity ▁increases ▁min . ▁film ▁thick ness ▁ ▁In cre ase ▁in ▁vis cos ity ▁increases ▁min . ▁film ▁thick ness ▁ ▁In cre ase ▁in ▁load ▁decre ases ▁min . ▁film ▁thick ness ▁ ▁Therefore , ▁ ▁Vis cos ity ▁× ▁velocity / unit ▁load ▁= ▁a ▁dimension less ▁number ▁= ▁C ▁ ▁C ▁is ▁known ▁as ▁the ▁bearing ▁characteristic ▁number . ▁ ▁The ▁value ▁of ▁C , ▁to ▁some ▁extent , ▁gives ▁an ▁indic ation ▁of ▁whether ▁there ▁will ▁be ▁hyd rod ynamic ▁lub ric ation ▁or ▁not ▁ ▁Character istics ▁and ▁principles [ not ▁discussed ] ▁of ▁operation ▁Fl uid ▁bear ings