Heavy Duty Bearings

Hercules Spherical Bearings (HSB)

Heavy Duty Bearings (HSB) are designed according to BS5400, EN1337 or AASHTO as per project specifications. HSB typically consists of concave & convex interfaces which accommodate large rotation with very little resistance to the application of moment. The spherical interface shall consist of stainless steel & high compressive & low friction PTFE or special modified polymers. Spherical bearings can be incorporated with top sliding plates & guides to accommodate horizontal movement in one or all directions. Therefore, the spherical bearings can further be categorized as Fixed, Guided & Free Sliding.

Materials

Consist of:
  • Structural Steel - ASTM A588M, ASTM A572M, Grade 345, ASTM A 36M
  • Stainless Steel - ASTM A 240 Type 304 / Type 316
  • Polytetrafluorethylene (PTFE) - 100% virgin & conform to AASGTO LRFD/EN1337
  • Bolts & Nuts - AASHTO M164 & AASHTO M298 (Galvanizing)
  • Design Concept & Calculations

    Bearing components:
    Curved Silding Surfaces
    (a) Stainless Steel: Shall completely cover the PTFE surface in all operating positions of the bearings.
    (b) PTFE Sliding Surfaces: Max average stress as per project specification.
    Rotation
    Max design rotation capacity to be designed as per the design parameters in the Consultant shop drawings.

    Hercules Fixed Type (FX) Structural Spherical Bearings

    Bearing TypePrincipal Dimensions (mm)Working Stress (kN)Serviceability Limit StateUltimate Limit State
      ABCDEFGHMax Vertical LoadMax Horizontal LoadVerticalHorizontalVerticalHorizontal
    HSB-FX7070400215340145230180M127006570065900110
    HSB-FX150100475305410235305240M20150015015001502000210
    HSB-FX250105510360435280375300M20250025025002503000300
    HSB-FX300115570400490310420335M20300028030002803800400
    HSB-FX350130600440515335465365M24350030035003004500500
    HSB-FX400140660485565355500400M24400036040003605000600
    HSB-FX500145685510585375535415M30500045050004506300650
    HSB-FX600155760565640430600465M30600050060005007500710
    HSB-FX750180930660795500705550M30750060075006009500900
    HSB-FX1000195970710830535755585M301000075010000750125001100
    HSB-FX12002151080790925595840840M301200090012000900150001300

    Hercules Guided Type (SGL/SGT) Structural Spherical Bearings

    Bearing TypePrincipal Dimensions (mm)Working Stress (kN)Serviceability Limit StateUltimate Limit State
      ABCDEFGHMax Vertical LoadMax Horizontal LoadVerticalHorizontalVerticalHorizontal
    HSB-SGL70100350270290190230180M127006570065900110
    HSB-SGL150130495360430280305240M20150015015001502000210
    HSB-SGL250135540420475340375300M20250025025002503000300
    HSB-SGL300145635460545360420335M24300028030002803800400
    HSB-SGL350155680480590400465365M24350030035003004500500
    HSB-SGL400170715540630460500400M24400036040003605000600
    HSB-SGL500175750570660470535415M30500045050004506300650
    HSB-SGL600190815625725525600465M30600050060005007500710
    HSB-SGL750225920720830620705550M30750060075006009500900
    HSB-SGL1000240970770880670755585M301000075010000750125001100
    HSB-SGL12002651055860965760840655M301200090012000900150001300

    Hercules Free Type (FF) Structural Spherical Bearings

    Bearing TypePrincipal Dimensions (mm)Working Stress (kN)Serviceability Limit StateUltimate Limit State
      ABCDEFGHMax Vertical LoadMax Horizontal LoadVerticalHorizontalVerticalHorizontal
    HSB-FF7090340265280205230175M12700700900
    HSB-FF150110395325335265305240M20150015002000
    HSB-FF250120485385410315375300M20250025003000
    HSB-FF300125555420495360420335M20300030003800
    HSB-FF350140620460560400465365M20350035004500
    HSB-FF400145675490615430500400M20400040005000
    HSB-FF500150710520650460535415M20500050006300
    HSB-FF600160740575680515600465M20600060007500
    HSB-FF750190815660755600705550M20750075009500
    HSB-FF1000200910720840650755585M20100001000012500
    HSB-FF12002201000800925725840655M20120001200015000

    Our Services

    Design

    We serve as technical liaisons with consulting engineers and builders at the design stage of a project. Provision of detailed specifications, calculations and feedback on drawings for project specific applications. 

    Manufacturing

    All products in the Hercules™ range are manufactured and tested in compliance with the relevant standards: AS5100.4:2017, BS5400, AASTHO and MS ISO 9001.

    Technical Support

    We provide detailed installation  guidance that is specific to each project and site conditions. Remote and/or on-site assistance provided by via comprehensive data sheets and trained personnel where appropriate. 

    Custom Solutions

    Our capabilities include providing tailored solutions to challenging engineering scenarios, where conventional methods of design, manufacturing and installation may not be suitable. 

    Design

    We serve as technical liaisons with consulting engineers and builders at the design stage of a project. Provision of detailed specifications, calculations and feedback on drawings for project specific applications. 

    Manufacturing

    All products in the Hercules™ range are manufactured and tested in compliance with the relevant standards: AS5100.4:2017, BS5400, AASTHO and MS ISO 9001.

    Technical Support

    We provide detailed installation  guidance that is specific to each project and site conditions. Remote and/or on-site assistance provided by via comprehensive data sheets and trained personnel where appropriate. 

    Custom Solutions

    Our capabilities include providing tailored solutions to challenging engineering scenarios, where conventional methods of design, manufacturing and installation may not be suitable. 

    Request A Quote