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Pillow Block Designs


Increase Reliability and Save Costs with Permanent Bearing Protection.

Pillow blocks are an important component to the rotating process as they support the shaft on fans, mixers, agitators, paper machine rolls and other rotating and power transmission equipment. They are designed to operate many years yet consistently cause downtime due to bearing failure. To increase reliability and mean time between repair (MTBR), protect pillow blocks from the most common causes of premature bearing failure – lubrication loss and contamination ingress.

The Inpro/Seal® Pillow Block Bearing Isolator is a non-contacting, compound labyrinth seal that permanently keeps contamination out of the bearings and lubrication in. Custom designed to fit the specifications of your pillow block, this unique technology solves the problem of angular misalignment by utilizing skates to align precisely to the shaft and not the housing.

Pillow Block Bearing Isolator Designs


Ready To Get Started?
Count on us to improve motor reliability, maximize motor efficiency and increase MTBR. With more than 30 years of experience, we are the trusted source for Bearing Isolator and shaft grounding technology. To get started, call 888-980-4431 or locate your local Inpro/Seal representative. To request a quote, download the Pillow Block RFQ and submit it through our contact form.


Facts At A Glance

The Inpro/Seal Bearing Isolator:

  • extends pillow block MTBR by increasing bearing reliability.
  • permanently protects against contamination ingress and lubrication loss.
  • is a non-contacting seal and does not add drag to the shaft.
  • is maintenance free and will last the lifetime of your pillow block.
  • is custom engineered to meet the specifications of your pillow block and operating environment.