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Rigaku SuperseaL Rotary Motion Feedthroughs

Rotary Motion Feedthrough
1/4" or 3/8" Shaft

Maximum Operating Pressure Differential: 2.5 Bar
Helium Leak Test : < 5x10-9 mbar l/sec
Transmission Torque (lb-in): 160
Housing and Shaft Material: 17-4 pH Stainless Steel
Bearing Type: SSri-1438 (Stainless Steel)
Bearing Static Load, Maximum: 273 lbs.
Bearing Dynamic Load, Maximum: 569 lbs.
Bearing Lubricant Vapor Pressure: 1.00x10-13 Torr
Bearing Lubricant Type: Fomblin/Krytox blend

Hydrocarbon Series (HCS) or
Perflouronated Polyether Series (PPS)




Baseplate Rotary Motion Feedthroughs
Conflat Flange Rotary Motion Feedthroughs
Baseplate Rotary Motion Feedthroughs

Conflat Flange Rotary Motion Feedthroughs

NW25 Rotary Motion Feedthroughs
Threaded neck through hole mounted feedthroughs
NW25 Rotary Motion Feedthroughs

Threaded neck through hole mounted feedthroughs


    STRAY MAGNETIC FIELD
- The magnetic field ratings are listed below:
  • Directly on shaft = 52 gauss
  • 0.5 cm away from shaft = 18 gauss
  • 1.0 cm away from shaft = 1.4 gauss
  • 5.0 cm away from shaft = 0.2 gauss
  • 10.0 cm away from shaft = 0.1 gauss



  • These measurements are typical throughout this FD series line of feedthroughs.

      SHAFT GROUNDED OR FLOATING?
    - The shaft is not internally grounded, however, the ball bearings make radial contact to the shaft when the feedthrough is static. Within milliseconds of starting the rotation (dynamic), the shaft is coated with the fluid. In summary, the shaft floats when the feedthrough is in a dynamic mode (rotating).

    NOTE: It is recommended that grounding brushes are installed on the shafts when using it for ion implantation systems.

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