John Crane

- Combined Bearings



Combined bearings provide a tailor-made solution for special applications where restricted assembly and mounting conditions prevail. Incorporation of the thrust and the journal bearing into a common cartridge provides space and economic benefits. These bearings, in every respect, fulfill the customer's specified operational requirements with a core objective of enhanced reliability, efficiency, space and running conditions. This technology has successful application in the refining, chemical and petrochemical processing industries.

Each customer inquiry, be it for high-speed tilting pad journal bearings with spherical support, high-load, self-equalizing thrust bearings or fixed geometry bearings for lower peripheral speeds and reduced loads, is thoroughly examined with the emphasis on maximizing bearing performance. We partner with our customers to calculate and review technical proposals to enable optimum reliability for every machine.

  • Non-contacting
  • Tilting pad and/or fixed geometry configuration
  • Reduced axial space requirement
  • Material options tailored to optimize each application
  • Temperature monitoring with RTDs or thermocouples
  • Preload options
  • Length/diameter ratio optimization
  • Additional features — equalizing thrust, spherical support, insulation, hydrostatic lift

  • Electric Motors
  • Gearboxes
  • Steam Turbines
  • Gas Turbines
  • Centrifugal Compressors
  • Driven Machinery
  • Other Rotating Equipment
  • Generators

  • Standard Materials :
    • Steel/whitemetal
    • CuCr/whitemetal
    • Bronze
    • Aluminum
    • Brass
  • Speed Limits :
    • Thrust: 524fps/160m/s
    • Journal: 427fps/130m/s
  • Load Limits : 725psi/5MPa

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