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Spherical bearings

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Image
Published: 01 January 2002
Fig. 8 Plastic-lined stainless steel spherical bearing for a hydrofoil that failed by corrosion fatigue. (a) Construction of bearing and location of fractures. Dimensions given in inches. (b) Fracture surface showing multiple fatigue origins (arrows) at edge of bore and on the spherical More
Image
Published: 01 January 2002
Fig. 11 Burrs around a hole drilled through the wall of a spherical bearing at a lubrication groove. The burrs contacted the mating surface, resulting in rough operation of the bearing. More
Image
Published: 30 August 2021
Fig. 15 Plastic-lined stainless steel spherical bearing for a hydrofoil that failed by corrosion fatigue. (a) Construction of bearing and location of fractures. Dimensions given in inches. (b) Fracture surface showing multiple fatigue origins (arrows) at edge of bore and on the spherical More
Image
Published: 31 December 2017
Fig. 4 Examples of aerostatic bearing geometries and arrangements. (a) Spindle with cylindrical journals and annular thrust bearings. (b) Rotary table with cylindrical journal and annular thrust bearings. (c) Spindle with conical bearings. (d) Spindle with spherical bearings. (e) Slide More
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Published: 30 August 2021
Fig. 63 Trough fracture of a spherical roller bearing inner ring. Fracture initiated during operation, and the ring cracked through during dismounting. Source: Ref 24 More
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...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
.... Geometry of Sliding Bearings On the basis of geometric shapes, sliding bearings ( Fig. 1 ) are classified into flat, cylindrical, and spherical bearings. Flat sliding bearings include the slideways of machine tools and the thrust bearings that limit the axial movement of rotating shafts. Thrust...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... bearings. Classification of Sliding Bearings Sliding bearings are usually conformal; that is, the components of a sliding pair fit together fairly closely. The surfaces may be flat, spherical, or cylindrical. Flat surfaces include the slideways of machine tools and the thrust bearings that limit...
Book Chapter

By Pel Lynah
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002154
EISBN: 978-1-62708-188-7
..., flat surfaces, end surfaces, spherical surfaces, balls, spring like parts, and gears. It also reviews the problems in flat and end lapping. The article concludes information on the use of lapping in accelerated wearing-in process for matching and aligning components of bearing assemblies...
Image
Published: 31 December 2017
Fig. 4 Schematics of typical radial roller bearing configurations. (a) Cylindrical roller elements. (b) Cross section of a tapered roller bearing. (c) Typical configuration of a radial spherical roller bearing. (d) Radial needle roller bearing with machined ring for the cage. (e) Radial needle More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006362
EISBN: 978-1-62708-192-4
... , may vary with position ( x,y ) and time ( t ). Equation 1 may be further simplified if the gap is parallel or does not change with time. Furthermore, it may be transformed to polar coordinates to describe circular, annular, cylindrical, conical, or spherical bearing geometries. For linear slides...
Image
Published: 30 August 2021
Fig. 1 Various sliding bearings. (a) Slide way. (b) Thrust bearing. (c) Cylindrical sliding bearing. (d) Spherical sliding bearing More
Image
Published: 31 December 2017
Fig. 7 Schematics of thrust roller bearings. (a) Thrust cylindrical roller bearing limited to use with axial loads only, due to its 90° contact angle. (b) Spherical roller thrust bearing, which incorporates asymmetrical rollers that tolerate a misalignment ranging from ±1 to ±3, depending More
Image
Published: 31 December 2017
Fig. 3 Schematics of various ball bearing types and configurations. (a) Conventional methodology of mounting a deep-groove Conrad-type ball bearing. (ϕ is the assembly angle.) (b) Double-row self-aligning radial ball bearing incorporating a spherically-shaped outer raceway. (c) Components More
Image
Published: 31 December 2017
Fig. 2 Principal components of rolling-element bearings. Note that the tapered roller bearing is only one example of roller geometry. Other geometries include radial roller, needle, and spherical. More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006436
EISBN: 978-1-62708-192-4
... implantation) result in short-time beam exposures of only a few minutes at the elevated temperatures ( Ref 29 ), which would not degrade bulk material properties. Plasma Spray Coatings Evaluation of the wear and fatigue performance of spherical bearing components with candidate coatings on Ti-10V-2Fe...
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
.... The various types are illustrated in Fig. 2 . Fig. 2 Principal components of rolling-element bearings. Note that the tapered roller bearing is only one example of roller geometry. Other geometries include radial roller, needle, and spherical. Radial Ball Bearings The rolling elements...
Image
Published: 31 December 2017
Fig. 5 Crowned roller geometry used in radial roller bearings. (a) Fully crowned (spherical roller). (b) Partially crowned (cylindrical roller). I , r oller length; D , roller diameter; R , crown radius More
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001070
EISBN: 978-1-62708-162-7
... are simple or flanged bushings, but self-aligning bearings with spherical external surfaces are also used. Sizes range from about 0.8 to 75 mm ( 1 32 to 3 in.) in diameter. Fig. 9 Assorted P/M bronze bearings Sintering Sintering is typically done in a continuous-mesh belt furnace...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002486
EISBN: 978-1-62708-194-8
... the design restrictions of each powder processing method. The article provides comparison of powder processing methods based on their similarities, differences, advantages, and disadvantages. It concludes with a discussion on design issues for the components of powder processing technologies. bearings...