Subject Mechanical Engineering Given the following operating conditions for a rolling bearing, what lubricant would you select and what is the reason for your choice? Speed of bearing contact is 100 mm/s and bearing pressure is 10,000 KN/m². Substantiate your answer with appropriate figure/chart.
Subject Mechanical Engineering Given the following operating conditions for a rolling bearing, what lubricant would you select and what is the reason for your choice? Speed of bearing contact is 100 mm/s and bearing pressure is 10,000 KN/m². Substantiate your answer with appropriate figure/chart.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Given the following operating conditions for a rolling bearing, what lubricant would you select and what is the reason for your choice? Speed of bearing contact is 100 mm/s and bearing pressure is 10,000 KN/m².
Substantiate your answer with appropriate figure/chart.
Transcribed Image Text:BEARING PRESSURE, kN/m²
1000 000
100 000
10 000
1000
100
10
10
ITT
LIMIT FOR SOLID/DRY LUBRICANTS
LIMIT FOR GREASE
100
100
DRY LUBRICANTS
LIMIT FOR GREASED
1000
SPEED, ft/min
1000
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
PLAIN BEARINGS
THE LIMITS SHOWN ARE BROAD ENVELOPES AND
ARE RATHER ARBITRARY. THEY WILL BE INFLUENCED
BY THE TEMPERATURE, REQUIRED LIFE AND NATURE
OF THE BEARING
LIMIT FOR
FOR LIQUID LUBRICANTS THE FUNDAMENTAL PROPERTY
IS VISCOSITY, AND THIS FIGURE ASSUMES THAT THE
CORRECT VISCOSITY HAS BEEN CHOSEN
ROLLING
-BEARINGS-
10 000
GREASED
T
10 000
SPEED AT BEARING CONTACT, mm/s
100 000
LIMIT FOR OIL LUBRICATION
100 000
▬▬▬▬▬▬▬▬
1000 000
10 000
1000
100
1000000
BEARING PRESSURE, p.s.i.
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