Freudenberg Sealing Technologies Simrit Rotary Shaft Seal 72 Nitrile Butadiene Rubber 902, 50 mm ID, 72 mm OD, 8 mm 40413870

Freudenberg Sealing Technologies Simrit 40413870 is a premium rotary shaft seal designed with 72 Nitrile Butadiene Rubber 902 elastomer, featuring a 50 mm inside diameter, 72 mm outside diameter, and 8 mm thickness. Engineered to provide exceptional wear resistance and reliable sealing performance, this seal suits a wide variety of industrial applications including aerospace, railway, power transmission systems, automotive engines, machine tools, fluid handling equipment, production lines, and power generation facilities.

The seal incorporates a spring-loaded sealing lip combined with a robust elastomer outer casing made from NBR 902 nitrile rubber. This construction allows compatibility with both mineral and synthetic oils and greases. Its design ensures significant reductions in frictional torque and heat generation compared to standard seals, contributing to lower power losses, reduced wear, and longer operating life which in turn minimizes costly downtime from seal maintenance and repairs.

The product is pressure stable up to 0.5 bar and supports bidirectional rotating shafts at speeds up to 40 meters per second. This makes it an excellent choice for demanding applications involving axles, power tools, industrial gearboxes, motors, and pumps. Additionally, it is a suitable replacement for R21 type seals and in certain cases, R4 seals, subject to verification against manufacturers' datasheets.

Manufactured in the Czech Republic, this seal conforms to ISO shaft tolerance h11 and housing bore tolerance H8 standards, ensuring consistent fit and performance. The product provides 80% less friction torque, 50% less specific heat generation, and improved wear characteristics compared to conventional Seals, enhancing equipment efficiency and durability.

Designed for demanding rotary shaft sealing applications requiring high durability. Made from 72 Nitrile Butadiene Rubber 902 elastomer for excellent chemical resistance. Pressure stable and suitable for bidirectional shaft rotation up to 40 m/s.

Reduces friction torque, heat generation, and wear for improved efficiency and lifespan. Manufactured to ISO shaft and housing bore tolerance standards. Ideal for diverse industrial sectors such as aerospace, automotive, railway, and manufacturing.

Supports use with mineral and synthetic oils and greases.

This Freudenberg Sealing Technologies Simrit seal is an essential component for industrial and mechanical systems requiring reliable sealing to prevent leaks and contamination, thus ensuring optimal system performance. For additional options and alternatives, explore the broader EnvMart range of sealing solutions and related products.