All bearing seals are not the same — not by a longshot. Only ISOMAG delivers a long-term, liquid-tight seal without heat generation, equipment degradation, lubricant egress or contaminant ingress. For more than 25 years, we’ve continued to bring true innovation to the industry because we simply don’t accept the limitations of other bearing seals.
Lip seals use the equipment’s shaft as the primary sealing surface, causing wear to your host equipment. The average lip seal life cycle is 3-6 months, leading to frequent downtime and less MTBR (maintenance time between repair). ISOMAG’s O-ring driven sealing face rotates with the shaft — avoiding metal-to-metal contact, preserving shaft integrity and extending bearing life up to 75,000 hours.
Labyrinth isolators create a restrictive, close-clearance path that’s inherently vulnerable to contamination ingress and lubrication egress, leading to frequent and expensive oil changes and sacrificing the reliability of your equipment. ISOMAG’s precision-controlled, deep-channel oil groove retains and circulates bearing lubrication, and our positive seals are long-term and liquid-tight, whether it’s liquid lube, oil mist or grease.
We’re trusted across lubrication systems, operating conditions and equipment applications:
|Bearing Isolator Performance Comparison||Lip Seal||Labyrinth Isolator||ISOMAG|
|Performs reliably in flooded oil level|
|Performs reliably in oil mist|
|Performs reliably in static and/or dynamic conditions|
|Provides a liquid-tight seal|
|Allows air molecules to egress|
|Causes no wear to any host equipment component surface|
|Performs reliably at or below operating bearing temperature|
|Performs reliably in vertical positions|
Isolator is not recommended under the given condition
Isolator is recommended under the given condition
*To perform reliably means to effectively seal the housing and protect the bearings for a minimum of the estimated basic rated bearing life (L10h) per the ISO 281 standards.