TourTour Herringbone spiral groove thrust bearings
Calculate required number of revolutions and friction losses
 Load F N
 Bearing Diameter D=2R 10-3 m
 Film thickness h0   (h0/R > 510-5 ) 10-6 m
 Viscosity   Pas

 groove depth h2 10-6 m
 λ=ri/ro, rc2=(ri2+ro2 )/2
 groove angle α deg.
 number of grooves k
 δ =h0/h     H     g1     C1     g2  
 dimensionless load F*
 dimensionless friction *
 angular velocity ω(F, h0) rad/s
 rotational velocity rpm
 friction coefficient
 friction torque Nm
 power loss Watt