Tuesday, April 23, 2019

Essential Concepts of Bearing Technology (5th Edition)

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Ball and roller bearings, together called rolling bearings, are commonly used machine elements. They are used to permit motion of, or about, shafts in simple commercial devices such as bicycles, roller skates, and electric motors. They are also used in complex mechanisms such as aircraft gas turbines, rolling mills, dental drills, gyroscopes, and power transmissions. Until around 1940, the design and application of these bearings involved more art than science. Since 1945, marking the end of World War II and the beginning of the atomic age, scientific progress has occurred at an exponential pace. Since 1958, the date that marks the commencement of space travel, continually increasing demands have been made of engineering equipment. To ascertain the effectiveness of rolling bearings in modern engineering applications, a firm understanding of how these bearings perform under varied and often extremely demanding conditions of operation is necessary.

A substantial amount of information and data on the performance of rolling bearings is presented in manufacturers’ catalogs. These data are mostly empirical in nature, obtained from the testing of products by the larger bearing manufacturing companies, or, more likely for smaller manufacturing companies, from information in various standards publications, for example, the American National Standards Institute (ANSI), Deutsches Institut fur Normung (DIN), International Organization for Standardizations (ISO), etc. These data pertain only to bearing applications involving slow-to-moderate speed, simple loading, and nominal operating temperatures. To evaluate the performance of bearing applications operating beyond these bounds, it is necessary to return to the basics of rolling and sliding motions over the concentrated contacts that occur in rolling bearings.

Chapter 1: Rolling Bearing Types and Applications
Chapter 2: Rolling Bearing Macrogeometry
Chapter 3: Interference Fitting and Clearance
Chapter 4: Bearing Loads and Speeds
Chapter 5: Ball and Roller Loads Due to Bearing Applied Loading
Chapter 6: Contact Stress and Deformation
Chapter 7: Distributions of Internal Loading in Statically Loaded Bearing
Chapter 8: Bearing Deflection and Preloading
Chapter 9: Permanent Deformation and Bearing Static Capacity
Chapter 10: Kinematic Speeds, Friction Torque, and Power Loss
Chapter 11: Fatigue Life: Basic Theory and Rating Standards
Chapter 12: Lubricants and Lubrication Techniques
Chapter 13: Structural Materials of Bearings
Chapter 14: Vibration, Noise, and Condition Monitoring

Author Details
"Tedric A. Harris"

"Michael N. Kotzalas"

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