About Us

Custom Engineered System and Bearing Protection

Inpro/Seal is a world leader in the design and manufacture of permanent bearing protection and complete shaft sealing solutions for a variety of rotating equipment across multiple industries.

About Inpro/Seal

Pillow Block and VBXX-D Bearing Isolators

Guaranteed Performance

With over 40 years of experience, Inpro/Seal technologies are custom engineered to perform in your application and operating environment.

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Engineering and Technology

Inpro/Seal is the innovation leader for permanent bearing protection and complete shaft sealing solutions.

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Inpro/Seal engineering - Bearing Isolator CAD drawing
Inpro/Seal customer service - on-site support

Customer Support

Inpro/Seal delivers innovative sealing solutions and superior customer support to ensure increased equipment reliability when you need it the most.

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Quality

Inpro/Seal is committed to a culture of quality practices and continuous improvement, reflected by our ISO 9001:2015 certification.

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Romer arm measurement of Air Mizer shaft seal
CNC machinist

Careers

Join our team and join an industry leader. As part of Dover Precision Components and Dover Corporation, Inpro/Seal offers competitive compensation, an attractive benefits package and opportunities for growth.

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David C. Orlowski on the phone in his Inpro/Seal office

David C. Orlowski: A Tribute

Jun 1, 2021

Dave Orlowski, or DCO as most knew him, was an innovator in rotating equipment reliability, inventing the Bearing Isolator and founding Inpro/Seal in the mid 1970s.

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Compressor packing rings made from TruTech polymers

Dover Precision Components Expands TruTech High Performance Materials Portfolio

Jan 7, 2021 | Tags:Press Release

Dover Precision Components is proud to announce the expansion of its TruTech® materials brand, delivering the latest advances in polymer science to enhance the performance and reliability of critical components in rotating and reciprocating machinery.

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Robotic tugger at Inpro/Seal Rock Island facility

Dover Precision Components Increases Robotics Implementation as Part of Long-Term Manufacturing Strategy

Sep 1, 2020 | Tags:Press Release

Dover Precision Components is proud to announce the activation of robotic tuggers to improve product flow and advance Lean manufacturing at its Inpro/Seal® manufacturing facility in Rock Island, Ill.

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Inpro/Seal website launch

Dover Precision Components Brands Get a Fresh New Online Look

Nov 7, 2019 | Tags:Press Release

Improved online resources are now available for rotating and reciprocating reciprocating equipment engineers and operators.

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Inpro/Seal donation to Aspire, charity golf tournament 2019

Inpro/Seal Raises Record Donation for Aspire

Sep 3, 2019 | Tags:Press Release

The 2019 Inpro/Seal® Charity Golf Outing raised a record $24,900 for Aspire, a non-profit organization recognized throughout the Midwest as a leader in roviding bold, pioneering and uncompromising services to children and adults with developmental disabilities.

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Air Mizer CEMA shaft seal - 3 sizes

New Shaft Seal Eliminates Product Loss on CEMA Screw Conveyors

Mar 28, 2019 | Tags:Press Release

Inpro/Seal® is excited to announce the latest AM Solutions™ design, the AM CEMA shaft seal, developed specifically for CEMA (Conveyor Equipment Manufacturers Association) Screw Conveyors.

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Inpro/Seal donation to Aspire, charity golf tournament 2018

Aspire Receives a Large Donation from the Inpro/Seal Family

Aug 15, 2018 | Tags:Press Release

The 31st annual Inpro/Seal® VIP Charity Golf Tournament raised over $17,000 for Aspire, a non-profit organization recognized throughout the Midwest as a leader in providing bold, pioneering and uncompromising services to children and adults with developmental disabilities.

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Dover Precision Components logo

Dover Precision Components Supplies Reliability and Efficiency for Rotating and Reciprocating Machinery

May 31, 2018 | Tags:Press Release

To leverage their collective strength and heritage, Cook Compression, Inpro/Seal, Waukesha Bearings and Bearings Plus have formed the newly named Dover Precision Components operating company.

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Inpro/Seal VB45-S Bearing Isolator receives Processing mag Breakthrough Product award

Inpro/Seal VB45-S Bearing Isolator Receives Breakthrough Product Award

Jan 4, 2018 | Tags:Press Release

The Inpro/Seal® VB45-S™ Bearing Isolator has been awarded a Processing magazine 2017 Breakthrough Products Award for being an influential and innovative solution that has made contributions to the process industries within the past year.

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Pump with Inpro/Seal Bearing Isolator

Bearing Protection's Role in Pump Reliability

Sep 7, 2017 | Tags:Article

Bearing housing seals protect against two major causes of failure: contamination ingress and lubricant loss. Proper selection and design of these seals significantly impacts pump reliability.

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Inpro/Seal donation to Aspire, charity golf tournament 2017

Inpro/Seal Raises Record Donation for Local Charity

Aug 21, 2017 | Tags:Press Release

The 30th annual Inpro/Seal® VIP Charity Golf Tournament raised a record $23,066 for Aspire, a non-profit recognized throughout the Midwest as a leader in providing bold, pioneering and uncompromising services to children and adults with developmental disabilities.

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Pump with Inpro/Seal Bearing Isolator

Six Reasons Bearing Isolators Leak Lubricant

Aug 4, 2017 | Tags:Article

With Bearing Isolators, a lubrication leak does not necessarily mean a seal failure. Explore 6 common causes of leakage, starting with an over-filled bearing housing.

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Inpro/Seal service project at River Bend Foodbank, 2017

Inpro/Seal Participates in River Bend Foodbank’s Backpack Program, Providing Meals for Kids

Mar 17, 2017 | Tags:Press Release

During the 2017 Inpro/Seal® International Sales Meeting, 25 members of the Inpro/Seal family filled backpacks for the River Bend Foodbank Backpack Program.

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VB45-S Bearing Isolator

Introducing the Next Generation Bearing Isolator

Mar 3, 2017 | Tags:Press Release

Invented by Inpro/Seal® in 1977, the Bearing Isolator revolutionized the pump industry, extending bearing life with increased protection against contamination ingress and lubrication loss. The new VB45-S Bearing Isolator continues Inpro/Seal's industry leadership in providing permanent bearing protection.

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Inpro/Seal Sentinel Floating Brush Seal (FBS)

Evaluating Carbon Ring Alternatives

Aug 15, 2016 | Tags:Article

For operators of general-purpose steam turbines, two primary alternatives to carbon rings are available: mechanical seals and the floating brush seal.

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Inpro/Seal charity golf tournament benefiting Aspire, 2016

Aspire Receives Large Donation from the Inpro/Seal Family

Aug 15, 2016 | Tags:Press Release

The 29th annual Inpro/Seal® VIP Charity Golf Tournament raised over $20,000 for Aspire, a non-profit recognized throughout the Midwest as a leader in providing bold, pioneering and uncompromising services to children and adults with developmental disabilities.

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Inpro/Seal service project at River Bend Foodbank, 2016

Inpro/Seal Partners with River Bend Foodbank to Provide Meals for Children

Feb 2, 2016 | Tags:Press Release

Every year, the Inpro/Seal International Sales Meeting includes a service event to benefit the local community. This year, the Inpro/Seal team volunteered at River Bend Foodbank in Davenport, IA.

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Inpro/Seal Smart Shaft Grounding solutions portfolio

Smart Shaft Grounding™ Product Portfolio Provides Comprehensive Bearing Protection

Oct 7, 2015 | Tags:Press Release

To meet the growing need for protection against electrical discharge machining (EDM), Inpro/Seal has updated and expanded its portfolio of shaft grounding solutions.

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Original Bearing Isolator patent

A History of Innovation

Inpro/Seal® didn’t just invent the Bearing Isolator. We’ve perfected it – again and again – to meet the unique needs of our customers. Our whatever-it-takes approach to protecting and extending the life of rotating equipment is why, over 40 years later, Inpro/Seal is the trusted source of permanent bearing protection.

Explore Our History