CORTECO 12018610 - Oil Seal 114x146x16 NBR COMBI SF12

Application of the CORTECO Shaft Seal

The CORTECO 12018610 oil seal is a professional shaft sealing solution designed for rotary applications in demanding industrial and agricultural machinery. This simmerring is used as a differential shaft oil seal in drive axles, where reliable rotary sealing and long service life are required. It is commonly applied in machines and vehicles manufactured by New Holland and corresponds to OEM reference 5196486.
The COMBI SF12 design makes this seal suitable for applications exposed to continuous contact with transmission oils and lubricants.

Design Advantages and Material Properties

This oil seal is manufactured from NBR (nitrile butadiene rubber), a material known for its excellent resistance to oils, greases and typical operating fluids. The COMBI construction features a double-lip sealing system, improving sealing efficiency and providing additional protection against external contaminants. As a result, the seal offers high durability, dimensional stability and reliable performance in continuous industrial operation. CORTECO seals are engineered for consistent quality and long operational life in critical sealing points.

Technical Characteristics and Performance

The seal size 114x146x16 allows precise installation in housings used in gearboxes, drive axles and differential systems. As a high-quality rotary shaft seal, it ensures effective technical sealing while minimizing friction and wear on the shaft surface. This makes it a dependable seal for machinery operating under variable loads and demanding working conditions. The design supports stable performance and reduced maintenance requirements in professional B2B applications.

Main Description

The CORTECO 12018610 NBR COMBI SF12 is a high-performance simmerring developed for reliable rotary sealing in industrial and agricultural applications. As a shaft oil seal, it effectively prevents oil leakage while protecting internal components from dirt and moisture. The NBR compound provides proven resistance to oils and greases, ensuring stable properties throughout the service life of the seal.

Thanks to its double-lip design, this is a double lip oil seal offering higher sealing efficiency compared to single lip solutions. The additional sealing edge improves contamination resistance, making the seal suitable for heavy-duty use in drive axles, transmissions and differential assemblies. It is widely used as an oil seal for machinery, where operational reliability and durability are critical.

Manufactured to CORTECO quality standards, this technical sealing component meets the expectations of professional B2B customers, maintenance departments and machine manufacturers. The seal supports long service intervals, reduced downtime and dependable operation in industrial environments.

FAQ - Frequently Asked Questions

What is the difference between a double lip and single lip oil seal?
A double lip oil seal provides an additional sealing edge, improving leak prevention and protection against contamination.

Which materials are commonly used in simmerrings?
Typical materials include NBR, FPM and silicone, selected based on operating media and temperature.

How do I select the correct shaft seal size?
The seal must match the shaft diameter, housing diameter and seal width precisely.

Is this oil seal suitable for transmission oil?
Yes, the NBR material offers very good resistance to transmission oils and lubricants.