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Double Runner Bearing Isolator

Permanently protect against contamination ingress and lubrication loss in oil-lubricated gearboxes and pumps with non-flooded shafts with the Inpro/Seal Double Runner Bearing Isolator.

The Double Runner Bearing Isolator is a three-part compound labyrinth seal consisting of a stator and dual rotors. Using both an inboard and outboard rotor, the Double Runner Bearing Isolator increases oil retention while maintaining premium contamination exclusion.

The Double Runner Bearing Isolator can be custom engineered to meet the requirements of your application and operating environment.

Same day shipments and split designs are available.

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Features and Benefits

  • XX Interface: unique stator/outboard rotor interface provides permanent protection against contamination ingress
  • Inboard Rotor: a second rotor faces toward the bearing, improving oil retention
  • VBX® Ring: blocks the transfer of vapor contamination created by heating/cooling of the bearing enclosure

Applications

  • Non-flooded gearbox shafts
  • Non-flooded pump shafts

Technical Data

  • Standard Material: Bearing Bronze
  • Axial Movement: 0.13 mm (0.005")
  • Radial Movement: 0.38 mm (0.015")
  • Temperature Range-26°C (-15°F) to 121°C (250°F)
  • Speed: 10,000 rpm
  • Shaft Size: 15.88 mm (0.625") to 381 mm (15")

Consult an Inpro/Seal representative for operating conditions outside of limits shown.