Symbols  
L  Bearing length  [m] 
D  Shaft diameter  [m] 
ε  eccentricity ratio (e/ΔR)  [] 
e  eccentricity  [m] 
dR  radial clearance  [m] 
R  bearing diameter D=2R  [m] 
n  rotations per minute (ω=2πn/60)  [1/s] 
η  lubricant viscosity  [Pas] 
F  Bearing load  [N] 
ß  attitude angle  [deg.] 
µ  Friction coefficient  [] 
cµ  friction number cµ = µ(R/ΔR)  [] 
q  side leakage, expressed in liter/hour  [l/h] 
cq  flow number  [] 
S^{G}  Sommerfeld number  [] 

The calculation method is based on
interpolation functions (Andres,1989) between An alternative solution method to find the Sommerfeld number is using the widely 
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