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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 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 side...
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Published: 01 October 2011
Fig. 16.10 Typical morphology of fatigue spall in rolling-element bearings. (a) Fatigue spall centered on a ball bearing raceway. (b) Fatigue spall on 12.7 mm (0.5 in.) diameter steel ball obtained using rolling four-ball machine. Source: Ref 16.3 More
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Published: 01 June 1988
Fig. 4.9 Adjustment of the laminated core structure for heating bearings of different sizes; note that the flux path must form a complete loop Source: SKF Industries, Inc. More
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Published: 30 April 2021
Fig. 6.3 Typical powder metal bronze bearings/bushings More
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Published: 30 April 2021
Fig. 11.18 Typical plastic plain bearings (bushings) More
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Published: 30 April 2021
Fig. 11.19 Types of composite fabrics used in fabric-lined plain bearings. Some are woven with a synthetic fluorine-containing resin as one member (warp or woof). More
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Published: 01 October 2005
Fig. CH14.5 Microstructure of the damaged ball bearings showing resolved pearlite and spheroidal carbide. Nital etch More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270197
EISBN: 978-1-62708-301-0
... Abstract One of the rotor bearings in an electric motor failed, producing excessive vibrate. The bearing was removed and disassembled, revealing craters and bruises on the inner ring raceway and balls along with evidence of melting and burning of metal. Scanning electron microscopy revealed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270097
EISBN: 978-1-62708-301-0
... 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, investigators concluded...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270072
EISBN: 978-1-62708-301-0
... Abstract This chapter documents the key findings of an investigation into the failure of an aircraft’s main wheel bearing housing. Using annotated images and a detailed SEM fractograph, it shows what investigators observed that led them to conclude that the flange on one of the hubs broke off...
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Published: 30 April 2021
Fig. 3.9 Schematic of a rolling element bearing test; a, test bearing; b, sensors for friction force, temperature, vibration, etc. More
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Published: 01 March 2000
Fig. 8 Choke and relief in die bearing. (a) Choke at front of bearing. (b) Increased relief angle at the back or exit side of the bearing More
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Published: 01 September 2008
Fig. 16 Rough schematic of stresses in contact loading of a bearing ball on a race More
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Published: 01 October 2011
Fig. 11.1 Comparison of the red hardness of cobalt-bearing grades of high-speed steel (M33, M36, and T15) vs. that of non-cobalt-bearing grades (M1, M2, M4, M7, and T1). Source: Ref 11.8 More
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Published: 01 August 2018
Fig. 10.68 Bearing part in steel 100Cr6 (similar to AISI 52100) subjected to selective quenching. The hardened layer is 2.25 mm (0.09 in.) thick. The core is spheroidized. Etchant: nital 3%. Courtesy of D. Lober. Source: Ref 26 More
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Published: 01 August 2018
Fig. 10.69 Superficial region of the bearing part in Fig. 10.68 . Martensite with spheroidized carbides. Etchant: nital 3%. Courtesy of D. Lober. Source: Ref 26 More
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Published: 01 August 2018
Fig. 10.70 Central region of the bearing part in Fig. 10.68 . Spheroidized microstructure. Carbides in a ferritic matrix. Etchant: nital 3%. Courtesy of D. Lober. Source: Ref 26 More
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Published: 01 September 2008
Fig. 53 Schematic presentation of a crankshaft with marked main bearing locations. Source: Ref 15 , 36 More
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Published: 01 September 2008
Fig. 56 Residual-stress profiles for six measurements on four bearing locations after induction hardening. Source: Ref 54 More
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Published: 01 September 2008
Fig. 80 Subsurface profile of relative grinding stress on bearing location “A”. Source: Ref 15 More