Machine Design
When a belt drive is transmitting maximum power,

Driving tension on slack side is equal to centrifugal tension
Effective tension is equal to centrifugal tension
Driving tension on tight side is twice the centrifugal tension
Effective tension is half of centrifugal tension

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Machine Design
When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

Move towards right of the bearing making metal to metal contact
Move towards left of the bearing making metal to metal contact
Move towards right of the bearing making no metal to metal contact
Have contact at the bottom most of the bearing

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Machine Design
In oilness bearings

Grease required to be applied after some intervals
Do not require external supply of lubricant
The oil film pressure is generated only by the rotation of the journal
The oil film is maintained by supplying oil under pressure

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