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The center hub rotating assembly (CHRA) houses the shaft which connects the compressor impeller and turbine. It also must contain a bearing system to suspend the shaft, allowing it to rotate at very high speed with minimal friction. For instance, in automotive applications the CHRA typically uses a thrust bearing or ball bearing lubricated by a constant supply of pressurized engine oil. The CHRA may also be considered "water cooled" by having an entry and exit point for engine coolant to be cycled. Water cooled models allow engine coolant to be used to keep the lubricating oil cooler, avoiding possible oil coking from the extreme heat found in the turbine. The development of air-foil bearings has removed this risk.

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  • 4LGZ
    Cartridge 4LGZThe center hub rotating assembly (CHRA) houses the shaft which connects the compressor impeller and turbine. It also must contain a bearing system to suspend the shaft, allowing it to ro ...
  • GT15
    Cartridge GT15(Part No. 4522130003)The center hub rotating assembly (CHRA) houses the shaft which connects the compressor impeller and turbine. It also must contain a bearing system to suspend the sha ...
  • GT2259
    Cartridge GT2259The center hub rotating assembly (CHRA) houses the shaft which connects the compressor impeller and turbine. It also must contain a bearing system to suspend the shaft, allowing it to ...
  • H2D
    Cartridge H2DThe center hub rotating assembly (CHRA) houses the shaft which connects the compressor impeller and turbine. It also must contain a bearing system to suspend the shaft, allowing it to rot ...
  • HX40W
    Cartridge HX40WThe center hub rotating assembly (CHRA) houses the shaft which connects the compressor impeller and turbine. It also must contain a bearing system to suspend the shaft, allowing it to r ...
  • HX50
    Cartridge HX50The center hub rotating assembly (CHRA) houses the shaft which connects the compressor impeller and turbine. It also must contain a bearing system to suspend the shaft, allowing it to ro ...
  • K03
    Cartridge K03The center hub rotating assembly (CHRA) houses the shaft which connects the compressor impeller and turbine. It also must contain a bearing system to suspend the shaft, allowing it to rot ...
  • K27
    Cartridge K27
  • RHB5
    Cartridge RHB5
  • RHE6
    Cartridge RHE6
  • RHF5-20441A
    Cartridge RHF5-20441A
  • TO4B
    Cartridge TO4B
  • TA4512
    Cartridge TA4521
  • TB25
    Cartridge TB25
  • TB31
    Cartridge TB31
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