Answer / hiren patel

Journal bearings have low co-efficient of friction at high speed compared to Rolling Contact bearings. So Journal bearings are used for power transmission at high speed.

But at low speed, Rolling contact bearing has low co-efficient of friction. So they are also called anti-friction bearings.

Answer / jerry casteel

Journal bearings can be used in almost any application (axial and thrust)
Journal bearing can carry much heaver loads the friction less bearings (ball or roller bearings)

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