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| Country of Origin | Czech Republic |
|---|---|
| Brand | Freudenberg Sealing Technologies Simrit |
| THICKNESS | 7mm |
| Model | 40412556 |
| Outside diameter | 28mm |
| Seal Type | Rotary Shaft Seal |
| Seal Material | 72 Nitrile Butadiene Rubber 902 |
| Inside Diameter | 18mm |
| RS PRO Nitrile Rubber (NBR) Seal, 18 mm ID, 28 mm OD, 7 mmRS Stock No. | 226-3728Brand: RS PRO |
Freudenberg Sealing Technologies Simrit model 40412556 is a high-performance rotary shaft seal designed with 72 Nitrile Butadiene Rubber 902 elastomer. It features an inside diameter of 18 mm, outside diameter of 28 mm, and thickness of 7 mm. This shaft seal delivers outstanding wear resistance and performance for various industrial applications including automotive, aerospace, power transmission, railway, machine tools, fluid power, and energy generation.
The seal has an elastomer outer casing made from nitrile rubber with a spring-loaded sealing lip that can be used with both mineral and synthetic oils and greases. This construction minimizes friction torque by up to 80%, significantly reduces heat generation and wear by up to 50%, and lowers operating costs by improving seal lifespan and decreasing required maintenance downtime.
It offers a pressure stability of up to 0.5 bar and is suitable for bidirectional rotating shafts operating at velocities up to 40 meters per second. The shaft tolerance conforms to ISO h11 while the housing bore tolerance is H8, ensuring precise and reliable fitment.
This seal is a suitable replacement for R21 and sometimes R4 seals, making it applicable across a broad range of industrial gearboxes, motors, axles, power tools, and pumps. Manufactured in the Czech Republic, this product meets quality and durability needs for demanding environments.
Exceptional wear resistance for rotating shaft sealing. Elastomer outer casing of 72 Nitrile Butadiene Rubber 902 material. Spring-loaded sealing lip compatible with mineral and synthetic oils and greases. Reduces friction torque and heat generation significantly.
Pressure stable up to 0.5 bar for demanding applications. Suitable for bidirectional shafts with speeds up to 40 m/s. ISO h11 shaft tolerance and H8 housing bore tolerance. Ideal for automotive, power transmission, machine tools, and energy uses.
Environmentally, this rotary shaft seal supports industrial, automotive, manufacturing, and fluid power sectors by enhancing equipment reliability and efficiency. The product is part of EnvMart's comprehensive Sealing solutions.
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