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rolling bearings

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... as stress concentrations that can cause fracture of the major part. This is particularly true with respect to gear teeth. In bearings, the pits increase the rolling resistance and can lead to overheating of the bearing and increased loads on other components. Also, the metal removed from the cavities...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... was experiencing vibration problems and the investigators declared that the vibration problems were coming from the very large roller thrust bearing that supported the upper portion of the machine. The problem was addressed by replacing the rolling element bearing with a lubricated steel on bronze thrust bearing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... in stationary joints that are “fixed” from shrinking or pressing by interference fits or by bolts, pins, rivets, or other mechanisms, and also at the various contact points in antifriction, or rolling element, bearings. This means that nonrotating antifriction bearings that are subject to vibration over...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
... apply to rolling friction. Clean metal balls in a ball bearing can roll on each other. They can roll separated by a fluid as in lubricated ball bearings; open ball bearings can operate in a dusty environment, in which case the tribocomponents would be separated by a third-body. Finally, one or more...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300271
EISBN: 978-1-62708-323-2
... famous in the field of tribology by becoming the surviving ceramic for applications in rolling-element bearings. For decades, tribology researchers investigated all sorts of options to arrive at rolling-element bearings capable of operating in environments that are too harsh for conventional 52100 steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... Abstract This chapter covers common types of erosion, including droplet, slurry, cavitation, liquid impingement, gas flow, and solid particle erosion, and major types of wear, including abrasive, adhesive, lubricated, rolling, and impact wear. It also covers special cases such as galling...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770051
EISBN: 978-1-62708-337-9
.... , Microstructural and Residual Stress Changes in Hardened Steel Due to Rolling Contact , Trans. ASM , Vol 54 , 1961 , p 390 – 412 29. Martin J.A. , Borgese S.F. , and Eberhart A.D. , Microstructural Alterations of Rolling Bearing Steel Under Cyclic Stressing , J. Basic Eng. (Trans. ASME...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... on rotors and the like have to pass about 40 screening tests before they can be actually used in an engine. The bearings similarly are tested, but the oils must withstand bench tests at an elevated temperature and 10,000 rpm in a rolling element bearing with heavy contact stresses, near the compressive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
... of a horizontal ring-rolling mill. [ Beseler, 1969 ] Fig. 12.12 Horizontal ring-rolling mill for producing rings with internal and external profiles. [ Beseler, 1969 ] For components required in large quantities, such as bearing races, completely automated ring-rolling installations are available...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... of the Earth’s wonder bridges are suspension bridges held up by steel wire ropes. High compressive strength is needed to carry the significant Hertzian stresses encountered in rolling-element bearings. Some jet engine bearings are life tested at Hertz stress of 388,000 psi (2,600 MPa). Steels have been...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
.... If an application requires rustfree rolling-element bearings, the rollers or balls and raceways are made from 440C. There should be no abrasion in rolling-element bearings, but open bearings can mean running with abrasive contaminants in the oil or grease. However, 440C may be used for tooling that handles abrasive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... of alloy steels Alloy steel plates Drawing quality Pressure vessel quality Structural quality Aircraft physical quality Hot-rolled alloy steel bars Regular quality Aircraft quality or steel subject to magnetic particle inspection Axle shaft quality Bearing quality Cold-heading quality...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270197
EISBN: 978-1-62708-301-0
... with continued operation. Electrical pitting is produced by the passage of current between two surfaces. In applications such as electric motor, there is a possibility of the current passing through the bearings. When the current is broken at the contact surfaces between raceways and rolling elements, arcing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... Abstract This chapter discusses the fatigue behavior of bolted, riveted, and welded joints. It describes the relative strength of machined and rolled threads and the effect of thread design, preload, and clamping force on the fatigue strength of bolts made from different steels. It explains...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... approach. Most greased rolling-element bearing failures occur because of depletion of the grease or too much or too little grease at startup. Bearing inspections using thermal imaging can determine if a grease is wearing out. Bicycle chains may be the most difficult lubrication challenge that most...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
..., or rolling-element, bearings. This means that nonrotating antifriction bearings that are subject to vibration over a period of time may have fretting wear wherever a ball or roller contacts a raceway under load. If the bearings subsequently rotate in normal service, they may be noisy because of the wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780259
EISBN: 978-1-62708-281-5
... it ( Ref 4 ). In applications such as bearings and gears, low friction is desirable, whereas high friction is required in materials used in brakes, clutches, and road surfaces. In each case, constant, reproducible, and predictable friction behavior is essential. Wear, along with corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... Sliding:  Lubricated, such as engine crosshead or shaft in a bearing  Nonlubricated, such as fasteners, nuts, and bolts Rolling:  Lubricated, such as roller bearings and gears  Nonlubricated, such as wheels on tracks Liquid or vapor impingement on metals Wet steam, such as turbines...