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The patented Simmerring is the most well-known radial shaft seal ring from Freudenberg Sealing Technologies. For over 90 years, the original Simmerring has set the highest quality standards and is universally applicable. No other sealing element has shaped technological advancements over the past decades as effectively as the Simmerring from Sealing Technologies.
Simmerrings are the only sealing elements that combine sealing effect, durability, and efficiency in an optimal manner. They protect shafts and provide additional features such as static landings and reliable drainage, as required in hybrid and electric vehicles. The Simmerrings are also used to ensure that rolling bearings can withstand continuous maximum loads while operating in an energy-efficient manner.
The Simmerring is available in a wide range of designs and materials. The standard Simmerring models, compliant with DIN 3760, offer a broad spectrum of applications across all industries. Freudenberg Sealing Technologies manufactures the smallest Simmerrings in the world with elastomer Simmerring technology. In micro-pumps, drives, or actuators, these seals can effectively seal shafts with diameters as small as one millimeter, remain unaffected by geometric tolerances, and operate seamlessly at speeds exceeding 10,000 revolutions per minute. For every application you can imagine, there is a perfect Simmerring available. Upon request, Freudenberg Sealing Technologies can provide Simmerrings with an external elastomer casing and an additional dust lip seal (SL) to protect against moderate to average external contamination. You can find more information about the Designs of Simmerings here.
Simmerrings are known for their high functional reliability. They minimize downtime and ensure smooth operations. With a long service life and easy installation, Simmerrings reduce maintenance time and cut costs for businesses.
The comprehensive product range from Freudenberg Sealing Technologies meets a variety of requirements. This selection is further enhanced through the combination with other components and additional features. In our FST e-catalog, you will find the complete product range, product and material information sheets, ordering options, pricing, availability, and dealer contacts.
Simmerings - Shaft Seals - Oil Seal for: Agricultural, forestry and construction machinery, Axially operated and rotating shafts, CNC millers, Commercial vehicles, Construction machinery, Conveyor systems, Drive hubs, Drive shafts and axles in mobile machines (tractors, construction machinery), Drive shafts and axles in stationary machines (CNC millers, rollers, mixers, conveyor systems), Drive technology, Electric motors, Fork lifts, Hydraulic stands, Industrial trucks, Loading cranes, Machine tools, Mixers, Motorised saws, Packaging machinery, Propeller shafts Cardan shaft, Pumps, Rollers, Rolling mills, Rotating shafts in, transmissions, Shafts and propeller shafts against dust, Tractors, Transmissions / Gearboxes, Washing machines, Wheel bearings, Wheel hubs and axles.
Looking for an alternative to the original Simmerring? Explore our product range in our Oil Seal Webshop!
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