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VB45-S Bearing Isolator

The VB45-S Bearing Isolator is the new standard in Bearing Isolator technology. The next step in permanent bearing protection, Inpro/Seal's latest design provides the best protection against contamination ingress (IP66 rated) and lubrication loss available, at only a 15.88 mm (0.625 in.) overall length.

The VB45-S ensures premium protection in such a small design envelope by utilizing multiple innovative design features. The patented XX Interface and oversized contamination chamber blocks contaminants from entering the bearing housing while the enlarged D-Groove protects against oil loss by capturing oil on the shaft and returning to the bearing housing. The unique VB45 Chamber houses the VBX® Ring to inhibit the transfer of vapor contamination created by the heating/cooling of the bearing enclosure.

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  • XX Interface: unique stator/rotor interface provides permanent protection against contamination ingress
  • Contamination Chamber: collects contaminants trying to enter the bearing housing and expels them through the expulsion port through centrifugal force and gravity
  • D Groove: captures oil on the shaft and returns it to the bearing housing
  • VB45 Chamber: unique 45° chamber that houses the VBX® Ring and allows for a smaller overall length compared to other designs
  • VBX Ring: blocks the transfer of vapor contamination created by heating/cooling of the bearing enclosure
  • Pumps
  • Motors
  • Fans
  • Other general industrial rotating equipment
  • Standard Material: Bearing Bronze
  • Axial Movement: 0.13 mm (0.005")
  • Radial Movement: 0.25 mm (0.010")
  • Temperature Range: -26°C (-15°F) to 121°C (250°F)
  • Speed: 10,000 sfpm
  • Standard Overall Length: 15.88 mm (0.625")
  • Shaft Size: 15.88 mm (0.625") to 1220 mm (48")

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