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Bearing (mechanical)

About: Bearing (mechanical) is a(n) research topic. Over the lifetime, 139253 publication(s) have been published within this topic receiving 708667 citation(s).

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Book
01 Jan 1958-

3,653 citations


Book
Tedric A. Harris, W. J. Crecelius1Institutions (1)
01 Jan 1967-
Abstract: Rolling Bearing Types and Applications Rolling Bearing Macrogeometry Interference Fitting and Clearance Bearing Loads and Speeds Ball and Roller Loads Contact Stress and Deformation Distribution of Internal Loading in Statically Loaded Bearings Internal Speeds and Motions Distribution of Internal Loading in High Speed Bearings Bearing Deflection, Preloading, and Stiffness Statically Indeterminate Shaft - Bearing Systems Lubricant Films in Rolling Element - Raceway Contacts Friction in Fluid-Lubricated Rolling Element - Raceway Contacts Friction in Rolling Bearings Rolling Bearing Temperatures Bearing Structural Materials Lubricants and Lubrication Techniques Fatigue Life: Lundberg Palmgren Theory and Rating Standards Bearing Endurance Testing and Element Testing Methods Statistical Methods to Analyze Endurance Permanent Deformation and Bearing Static Capacity Material Response to Rolling Contact Application Load and Life Factors Wear Vibration, Noise and Condition Monitoring Rotor Dynamics and Critical Speeds Investigation and Analysis of Bearing Failures Appendix Index.

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1,951 citations


Journal ArticleDOI
01 May 1966-Economica

1,708 citations


Book
01 Jan 1991-
Abstract: 1: Introduction 2: Bearing Classification and Selection 3: Surface Topography 4: Lubricant Properties 5: Bearing Materials 6: Viscous Flow 7: Reynolds Equation 8: Hydrodynamic Thrust Bearings - Analytical Solutions 9: Hydrodynamic Thrust Bearings - Numerical Solutions 10: Hydrodynamic Journal Bearings - Analytical Solutions 11: Dynamically Loaded Journal Bearings 12: Hydrodynamic Journal Bearings - Numerical Solutions 13: Hydrodynamic Squeeze Film Bearings 14: Hydrostatic Lubrication 15: Hydrodynamic Bearings - Considering Fluid Inertia 16: Gas-Lubricated Thrust Bearings 17: Gas-Lubricated Journal Bearings 18: Hydrodynamic Lubrication of Nonconformal Surfaces 19: Simplified Solutions for Stresses and Deformations 20: General Solution for Stresses and Deformations in Dry Contacts 21: Elastohydrodynamic Lubrication of Rectangular Conjunctions 22: Elastohydrodynamic Lubrication of Ellipitcal Conjunctions 23: Film Thicknesses for Different Regimes of Fluid Film Lubrication 24: Rolling-Element Bearings 25: Additional Elastohydrodynamic Lubrication Applications 26: Non-Newtonian Fluid Effects in Elastohydrodynamic Lubrication 27: Thermo Elastohydrodynamic Lubrication.

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1,605 citations


Journal ArticleDOI
Robert B. Randall1, Jérôme Antoni2Institutions (2)
TL;DR: This tutorial is intended to guide the reader in the diagnostic analysis of acceleration signals from rolling element bearings, in particular in the presence of strong masking signals from other machine components such as gears.

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Abstract: This tutorial is intended to guide the reader in the diagnostic analysis of acceleration signals from rolling element bearings, in particular in the presence of strong masking signals from other machine components such as gears. Rather than being a review of all the current literature on bearing diagnostics, its purpose is to explain the background for a very powerful procedure which is successful in the majority of cases. The latter contention is illustrated by the application to a number of very different case histories, from very low speed to very high speed machines. The specific characteristics of rolling element bearing signals are explained in great detail, in particular the fact that they are not periodic, but stochastic, a fact which allows them to be separated from deterministic signals such as from gears. They can be modelled as cyclostationary for some purposes, but are in fact not strictly cyclostationary (at least for localised defects) so the term pseudo-cyclostationary has been coined. An appendix on cyclostationarity is included. A number of techniques are described for the separation, of which the discrete/random separation (DRS) method is usually most efficient. This sometimes requires the effects of small speed fluctuations to be removed in advance, which can be achieved by order tracking, and so this topic is also amplified in an appendix. Signals from localised faults in bearings are impulsive, at least at the source, so techniques are described to identify the frequency bands in which this impulsivity is most marked, using spectral kurtosis. For very high speed bearings, the impulse responses elicited by the sharp impacts in the bearings may have a comparable length to their separation, and the minimum entropy deconvolution technique may be found useful to remove the smearing effects of the (unknown) transmission path. The final diagnosis is based on “envelope analysis” of the optimally filtered signal, but despite the fact that this technique has been used for 40 years in analogue form, the advantages of more recent digital implementations are explained.

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1,485 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202280
20212,027
20204,747
20196,156
20187,311
20176,984

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Topic's top 5 most impactful authors

Satish C. Sharma

112 papers, 2K citations

Wu Shengzhen

79 papers, 221 citations

Michel Fillon

63 papers, 1.9K citations

Luis San Andrés

63 papers, 1.2K citations

Ilmar Santos

55 papers, 866 citations