End Cup Seal EC 110x12 - Technical Seal Ring

Industrial Applications and Capabilities

The End Cup Seal EC 110x12 is engineered for use when a shaft does not pass through the housing wall and a reliable rotary shaft seal cannot be fitted conventionally. As a “cover-seal” or end cap, this solution functions as a stationary shaft sealing ring, ensuring internal components such as bearings or gear sets are protected from contamination, lubricant loss or ingress of debris. This technical seal suits gearboxes, motors, hydraulic units, industrial drives and automotive end-covers. Its design supports industrial applications where a standard oil seal or simmering (rotary oil seal) is not feasible.
The product ensures high durability, functioning as a quality seal for machine frames and enclosures, complementing rotary seal systems by protecting the end interface.

Advantages and Technical Benefits

• Sealing performance: Designed as an end cover with a metal core and rubber face, it provides a static seal around a housing bore with the same mounting tolerance as traditional rotary oil seals.

• Resistance to oils and grease: Constructed using NBR (nitrile-butadiene rubber), the ring offers enhanced resistance to common lubricants, hydraulic fluids and automotive oils—perfect for environments with gear oil, transmission fluid or heavy-duty applications.

• Space-saving installation: With outer diameter 110 mm and width 12 mm, the EC 110x12 fits in shallow bores, enabling retrofits or OEM use without redesigning the housing, making it ideal for maintenance and procurement of industrial seal rings.

• Adaptable for industrial & automotive use: The seal supports both heavy machinery drives and automotive assemblies, delivering the kind of technical seal that meets demanding reliability expectations for OEMs and maintenance teams.

Technical Data

• Product type: End Cup Seal (EC format)

• Size: OD 110 mm x Width 12 mm

• Material: NBR rubber bonded to a steel case

• Application: End-cover sealing in gearboxes, motors, hydraulic units - where a conventional rotating oil seal cannot be applied

• Key properties: High durability, resistance to oils and grease, industrial seal ring design, shaft end-cover configuration

• Usage: Functions as a shaft sealing ring, oil seal, or technical seal in mechanical systems
  By incorporating the terminology of “rotary seal,” “single lip oil seal,” “uszczelniacz wału,” and “uszczelniacz olejowy,” the description aligns with search intent for industrial seal solutions.

FAQ

Q1: What is the difference between a standard oil seal and an End Cup Seal EC 110x12?
A: A standard oil seal (rotary oil seal) fits around a rotating shaft and uses one or two lips to retain lubricant. The EC 110x12 End Cup Seal serves as a stationary covering ring where no shaft passes through - acting more like a cover-seal for housing openings.

Q2: Which materials are best for seals exposed to oil and grease?
A: NBR (nitrile-butadiene rubber) offers excellent performance when exposed to oils, greases and moderate temperatures—making it a common choice for high-durability seals in industrial and automotive environments.

Q3: How do I choose the correct End Cup Seal size?
A: Measure the housing bore diameter (outer diameter) and available width of the mounting groove. For example, EC 110x12 requires a bore that accepts an OD 110 mm press-fit and width clearance of 12 mm.