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Bearing races

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270097
EISBN: 978-1-62708-301-0
... that one of the bearings had been subjected to excessive friction, evidenced by brinelling, metal flow, heat tinting, deformation, and wear. They also observed extensive grooving on a retaining plate and several washers matching the diameter of the outer bearing races. Based on their findings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270095
EISBN: 978-1-62708-301-0
...Abstract Abstract A pair of bearings mounted side by side in an aircraft engine failed in service. Photographs show that the inner rings were either broken or deformed, the balls were worn and flattened, and the cages severely damaged. The bearing races were damaged as well, but only on one...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
... 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: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870267
EISBN: 978-1-62708-344-7
... of material cleanliness for L 50 life. Source: Ref 11.10 Fig. 11.7 Increase in life of bearing inner races from successive consumable remelts of the same heat of steel (6309 size bearing). Source: Ref 11.11 Grain Size Effects It has long been known that grain size influences...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.9781627083010
EISBN: 978-1-62708-301-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900193
EISBN: 978-1-62708-350-8
... for such fixtures because of the need for high-temperature strength. Resistance to oxidation is not a factor, as liquid carburizing salts are reducing. (h) Rack for holding six small crankshafts; exploded view shows a crankshaft in position. (i) Special rack for carburizing the outside diameters of bearing races...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400087
EISBN: 978-1-62708-258-7
...% nital etch. 5× Fig. 4.11 (a) Martensitic microstructure with a Knoop hardness impression of AISI/SAE 52100 bearing race at a Knoop hardness of 730 and (b) the same material improperly cut using an abrasive wheel without water cooling at a Knoop hardness of only 326. 2% nital etch. 1000...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... with this configuration are gear teeth and various types of antifriction bearings. However, the same type of failure can occur where a convex shape fits within a concave shape, such as a shaft within a sliding bearing or balls in a ball-bearing race. These situations are shown in Fig. 1 . In these configurations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130087
EISBN: 978-1-62708-284-6
... of the wear mechanism Fig. 15 Scanning electron micrograph of fatigue crack initiating on worn carbonitrided steel. Original magnification: approximately 4000× Fig. 16 Rough schematic of stresses in contact loading of a bearing ball on a race Fig. 17 Steel bar with crack...
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
... bearing race. These situations are shown in Fig. 15 . The reason that pitting fatigue occurs on one or both mating surfaces under compressive load is that the contact areas are concentrated into either a line or point contact, depending on the geometry. Actually, there will be either a broadened line...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300271
EISBN: 978-1-62708-323-2
... that affects silicon nitride and most other ceramics is their low coefficient of thermal expansion. The silicon nitride coefficient of thermal expansion is 25% that of steel, so when a pressed-in bearing assembly heats up in service, the pressed-in outer race can become loose. Thus, to use all-ceramic bearings...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
... tribosystems lose this direct proportionality if the testing forces are varied by a factor of ten, one order of magnitude. Balls rolling in races may be the most important example of a rolling tribosystem and an important concept to consider in ball and roller bearings if true rolling exists. Pure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860081
EISBN: 978-1-62708-338-6
... applications include commercial/industrial use in vertical pumps and cooling towers, military vehicles for both land- and water-drive systems, manned and unmanned air vehicles, wind turbines, and automobiles including racing cars. Fig. 7.12 Drive shafts and couplings. AAAV, advanced amphibious assault...
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
... and Hardenability in Steels,” Climax Molybdenum Co. of Michigan , 1967 , p 155 – 167 17. Jenkins I. , Controlled Atmospheres for the Heat Treatment of Metals , Chapman and Hall Ltd. , London , 1951 18. Averbach B.L. , Fracture of Bearing Steel , Met. Prog. , Vol 118 ( No. 7...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900141
EISBN: 978-1-62708-358-4
... steels. Applications for the L steels include tools such as precision gages, cold-heading dies, swaging dies, rock drills, shears, woodworking tools, punches and dies, drills, broaches, and cutlery. Nontool uses include bearings, bearing races, and small- to medium-size rolls. Compositions of low alloy...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140117
EISBN: 978-1-62708-264-8
... austempered to minimize distortion in bearing races. There is one study in the literature where mixed martensite-bainites were produced in 52100 through the MA2 process, and, in this case, the Δ T was set at 0 ( Ref 12.18 ). Figure 12.8 presents the hardness and impact energies of 52100 as a function...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... the starting friction of such bearings is ASTM G182. Ball bearings are placed on the incline plane; the plane is raised until motion starts and the angle at which motion starts is the test metric. A special mandrel is used to prevent rotation of the inner race. Many instrument designs require easy rotation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720183
EISBN: 978-1-62708-305-8
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.9781627082709
EISBN: 978-1-62708-270-9