Thanks, but that is the equation for thin gaps. It does not hold when the gap is large compared to the radius as you will get quite different answers depending on what "nominal" radius you use.
I know how to calculate torque in a journal bearing filled with viscous fluid where the gap is small compared to the radial dimensions but need to do so where the gap is larger (say about 0.001" gap with inner radius of 0.0025"). The shaft is constrained to rotate in the center of the...
