m_r 0.02[kg] "Ring mass"
R_o 9e-3[m] "Ring outer radius"
R_i 6e-3[m] "Ring inner radius"
Ip_r 0.5*m_r*(R_o^2+R_i^2) "Polar moment of inertia of the ring"
Id_r 0.5*Ip_r+m_r*Lb^2/12 "Diametral moment of inertia of the ring"
C_o 8e-5[m] "Outer film clearance"
C_i 2e-5[m] "Inner film clearance"
mu0 0.06[Pa*s] "Lubricant viscosity"
Lb 0.01[m] "Bearing length"