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Ball bearing steel

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Published: 01 January 2002
Fig. 6 Weld spots on contact surfaces of a type 440C stainless steel ball bearing. The spots are caused by static electrical discharges resulting from use of an electrically nonconductive grease. (a) and (b) Photographs of inner-raceway surface. 10 and 100×, respectively. (c) and (d) SEM More
Image
Published: 01 January 2002
Fig. 28 52100 steel jet-engine ball bearing that failed because of overheating resulting from misalignment. (a) Photograph of bearing components showing fractured cage. (b) Enlarged view of cage showing damage caused by scoring, scuffing, and plastic deformation around ball pockets More
Image
Published: 30 August 2021
Fig. 67 An AISI 52100 (100Cr6 or WN 1.3505) steel jet-engine ball bearing failed due to overheating that resulted from misalignment. (a) Bearing components showing fractured cage. (b) Enlarged view of the cage showing damage (scoring, scuffing, plastic deformation of the ball pockets More
Image
Published: 01 January 1994
) TiN ion-plated onto ball bearing steel. Environment: 1 N H 2 SO 4 . Source: Ref 26 More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002373
EISBN: 978-1-62708-193-1
... occur, as bearing operation continues. Fig. 1 Scanning electron micrograph of a fatigue spall on a roller from a roller bearing after 630,000 cycles. Roller is AISI 1060 steel, hardened to 600 HV. Spall is 400 μm wide by 700 μm long. One classic shape of a fatigue spall in a ball bearing...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006426
EISBN: 978-1-62708-192-4
... by a one-piece cage that is precision machined from steel, brass, or bronze. Thrust Ball Bearings Thrust ball bearings (contact angles from 45 to ≤90°) are designed to carry predominantly axial load; 90° contact-angle thrust bearings ( Fig. 3h ) cannot carry any radial load. Due to substantial...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
...) or vacuum arc remelting (VAR). However, steel from these secondary refining processes is still required for bearings in high-reliability applications, such as aircraft engines. The bearing industry has used through-hardened material, such as 52100, for ball bearings since early introduction in Europe...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
...-melted steel using Eq 3, F is the load to be applied, and p is a stress-life coefficient. The value of p is dependent on the bearing geometry and is generally defined as 3 for ball bearings and 10/3 for roller bearings ( Ref 9 ). Ioannides and Harris ( Ref 10 ) modified Eq 3 by using an integral...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003326
EISBN: 978-1-62708-176-4
... bearings over different speed ranges. He made use of Hertz's work covering elastic bodies in contact ( Ref 7 ) and started with a press arrangement with three hardened steel balls in contact, two steel balls with a steel plate between them, and finally, a single ball between two short cylinders set on end...
Book Chapter

Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006358
EISBN: 978-1-62708-192-4
..., a guide roller in a hot metal bar-handling system may sustain considerable RCW, but this wear may be unimportant as long as the component continues to function adequately. In the case of ultraprecision ball bearings for missile guidance systems, however, a very small spall may cause the center of mass...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... techniques has produced ceramic materials that are a suitable alternative to steel for rolling-contact bearing design. This is especially true for hybrid ball bearings; that is, precision angular-contact ball bearings using ceramic rolling elements are now offered as standard components within the ball...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003099
EISBN: 978-1-62708-199-3
... Abstract Rolling-element bearings, whether ball bearings or roller bearings with spherical, straight, or tapered rollers, are fabricated from a wide variety of steels. This article discusses the production process, characteristics, nominal compositions, and types of bearing steels...
Image
Published: 01 January 2002
Fig. 1 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 More
Image
Published: 15 January 2021
Fig. 51 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 More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
..., to allow greater working temperatures, group V was developed. Group V Group V ( Table 6 ), and especially M50 (80MoCrV42-16 or WN 13551) and M50-NiL (X12MoCrNiV443 or AMS 6278), is comprised of heat-resistant steels used in the aerospace industry. Although ball bearings made of high-temperature...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... of a homogeneous material surface. Fig. 1 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 Prediction of statistical fatigue life...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002376
EISBN: 978-1-62708-193-1
...-hardening steels were used for ball and cylindrical roller bearings and other types, perhaps influenced in Europe by familiarity with chromium-type tool steels ( Ref 2 , 7 ). U.S. manufacturers included low-carbon (0.20%) case-carburizing steels in bearing manufacture, primarily in the tapered roller...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006393
EISBN: 978-1-62708-192-4
... be on the order of 0.1 to 1 mm (0.004 to 0.04 in.). Fig. 3 Schematic showing key components of tribological contact between a raceway and the rolling elements of a steel bearing. Source: Ref 20 Other bearing types (e.g., ball bearings) have elliptical contacts bound by semiminor and semimajor axes...
Image
Published: 31 December 2017
Fig. 4 Normal bearing life versus specific film thickness for deep-groove ball bearings made of through-hardened 52100 bearing steel. Data were compiled for eight test groups totaling 6309 bearing units. Confidence limits are 95%. Source: Ref 29 More
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Published: 31 December 2017
Fig. 10 Endurance lifetimes of MoS 2 on various substrates, showing longest life-times for Si 3 N 4 and 52100 bearing steel. Sliding material, Ti-6Al-4V; sliding speed, 1.2 m/s (3.9 ft/s); applied load, 17 N/ball (1.7 kgf/ball). Source; Ref 25 More