Freudenberg Sealing Technologies Simrit 72 Nitrile Butadiene Rubber 902 Rotary Shaft Seal 25 mm ID 47 mm OD 7 mm 40413230

Freudenberg Sealing Technologies Simrit model 40413230 is a high-performance rotary shaft seal constructed with 72 Nitrile Butadiene Rubber 902 material. It features a 25 mm inside diameter, 47 mm outside diameter, and a thickness of 7 mm. The seal is designed to provide exceptional wear resistance and operational stability across diverse sectors including aerospace, railway, automotive, power transmission, fluid handling, and manufacturing.

With its spring-loaded sealing lip and elastomer casing, this shaft seal efficiently handles mineral and synthetic oils and greases, providing enhanced sealing performance. The seal operates effectively with rotary shafts moving bidirectionally at speeds up to 40 m/s and withstands pressure levels up to 0.5 bar while maintaining low friction and heat generation.

Compared to conventional seals such as R21 and R4, this product offers superior durability, reducing friction torque by 80% and specific heat production by 50%. These improvements reduce power loss, running costs, and downtime through extended seal life.

Its precise manufacturing tolerances follow shaft tolerance ISO h11 and housing bore tolerance H8, ensuring optimal fit and function in industrial gearboxes, pumps, power tools, motors, and other heavy-duty machinery.

This seal’s NBR 902 nitrile rubber composition guarantees robustness and resistance to wear under harsh operating conditions. It is suitable for use in industrial applications such as construction, manufacturing, automotive maintenance, and energy generation.

The product’s Czech Republic origin underscores its manufacturing quality and reliability. Replacement part for specific seal types with comparable performance specifications.

This Freudenberg Sealing Technologies Simrit seal is a trusted solution for engineers and maintenance professionals seeking dependable rotary sealing components for demanding industrial environments.

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