Freudenberg Sealing Technologies Simrit 72 Nitrile Butadiene Rubber Rotary Shaft Seal 25 mm ID 40 mm OD 10 mm 40412320

Freudenberg Sealing Technologies Simrit 40412320 is a high-performance rotary shaft seal constructed from 72 Nitrile Butadiene Rubber 902. It features a 25 mm inside diameter, 40 mm outside diameter, and a thickness of 10 mm, designed to provide exceptional durability and reliability in demanding industrial environments.

This shaft seal incorporates a spring loaded sealing lip which improves sealing efficacy against oils and greases, both mineral and synthetic types. Its elastomer outer casing ensures superior wear resistance, while the design minimizes frictional heat generation and power loss, resulting in reduced operational costs and less downtime for maintenance.

The seal is pressure stable up to 0.5 bar and suitable for bidirectional rotation velocities up to 40 meters per second. It adheres to ISO h11 shaft tolerance and H8 housing bore tolerance, ensuring precise fitting and dependable sealing performance.

Ideal for applications across aerospace, railway, automotive, power transmission, machine tools, fluid handling, production lines, and power generation industries, this seal improves overall equipment reliability and longevity.

Compatible as a replacement for R21 and, in select cases, R4 seals, this product offers flexibility and efficiency in seal maintenance and replacement. The seal features a spring loaded sealing lip enhancing wear resistance and sealing performance.

Compatible with mineral and synthetic oils and greases for versatile industrial usage. Suitable for rotary shafts operating bidirectionally at speeds up to 40 m/s. Pressure stable seal effective up to 0.5 bar pressure conditions.

Offers significant reductions in frictional heat and wear, extending operational life and lowering maintenance requirements. Compliant with ISO h11 shaft tolerance and H8 housing bore tolerance standards. Applicable across sectors like aerospace, automotive, power transmission, fluid handling, and energy generation.

Designed as a suitable replacement for R21 and some R4 type seals. Explore our selection of Mechanical Seals from leading brands at EnvMart for optimized industrial applications and maintenance solutions.