A truncated conical pivot bearing which supports an axial load of 20000N from a vertical shaft rotating at 180 rpm has a cone angle of 120°. Its larger diameter is 2.5 times its smaller diameter. The normal pressure on the bearing is not to exceed 36 N/cm. Determine the dimensions of the bearing. If the coefficient of friction is 0.05 for the bearing surface, find the power lost in overcoming the friction.
A truncated conical pivot bearing which supports an axial load of 20000N from a vertical shaft rotating at 180 rpm has a cone angle of 120°. Its larger diameter is 2.5 times its smaller diameter. The normal pressure on the bearing is not to exceed 36 N/cm. Determine the dimensions of the bearing. If the coefficient of friction is 0.05 for the bearing surface, find the power lost in overcoming the friction.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...
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![A truncated conical pivot bearing which supports an axial
load of 20000N from a vertical shaft rotating at 180 rpm has
a cone angle of 120°. Its larger diameter is 2.5 times its
smaller diameter. The normal pressure on the bearing is not
to exceed 36 N/cm. Determine the dimensions of the
bearing. If the coefficient of friction is 0.05 for the bearing
surface, find the power lost in overcoming the friction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2408b276-6b11-4d3e-80f1-6cdb79fbd607%2F1f3855b9-d7ad-4663-910d-6195b59942a8%2F796gsm7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A truncated conical pivot bearing which supports an axial
load of 20000N from a vertical shaft rotating at 180 rpm has
a cone angle of 120°. Its larger diameter is 2.5 times its
smaller diameter. The normal pressure on the bearing is not
to exceed 36 N/cm. Determine the dimensions of the
bearing. If the coefficient of friction is 0.05 for the bearing
surface, find the power lost in overcoming the friction.
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