![]() ![]() ![]() Now you know what a bearing isolator is and what it does. This means that there are no wearing parts allowing the seal to last the lifetime of your equipment. Instead, it uses the interface between the rotor and the stator. The Inpro/Seal bearing isolator is a non-contacting design meaning it does not use contact as a sealing mechanism. Lubrication trying to escape is caught within the design of the seal and returns to the bearing housing using the drain port. Contaminants trying to enter the bearing housing are caught within the labyrinth paths and the internal chamber and expelled through the expulsion port at the six o'clock down position using centrifugal force and gravity. The stator is typically pressed to fit into the housing while the rotor rotates with the shaft. The Inpro/Seal bearing isolator is a two-part dynamic compound Labyrinth seal consisting of a rotor and a stator. These are two of the main causes of bearing failure, and it's why we invented the bearing isolator. Lip seals are an ineffective sealing solution, but they wear at the point of contact or groove the shaft, opening up a gap that allows contaminants to enter and lubrication to escape. Inpro/Seal l invented the original bearing isolator in 1977 to replace traditional lip seals which are still used in industrial rotating equipment today. Simply put, it keeps lubrication in and it keeps everything else out. Hi I'm Jason Putnam with Inpro/Seal and I'm here to answer the question "what is a bearing isolator?"Ī bearing isolator is a seal installed in a bearing housing that protects against contamination Ingress and lubrication loss significantly increasing the reliability of your rotating equipment.
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