Machine Design
The bearing characteristic number in a hydrodynamic bearing depends upon

Length, width and load
Length, width and speed
Viscosity, speed and load
Viscosity, speed and bearing pressure

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Machine Design
For same pulley diameters, center distance, belt speed and belt and pulley materials,

Open and crossed belt drives transmit same power
Open belt drive transmits more power than crossed belt drive
Crossed belt drive transmits more power than open belt drive
Power transmission does not depend upon open and crossed types of constructions

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