Rotary Shaft Seal CORTECO 12010854 NBR BA Oil Seal 25x42x7

Applications

The CORTECO 12010854 NBR BA 25x42x7 mm rotary shaft seal is engineered for sealing rotary shafts and spindles where reliable lubricant retention and protection against contamination are critical. Its metric dimensions - 25 mm inner diameter, 42 mm outer diameter, and 7 mm width - correspond to common industrial and automotive shaft interfaces. With elastomer material NBR (nitrile rubber) and a BA configuration (single lip with garter spring), this oil seal suits hydraulic drives, pneumatic systems, gearboxes, pump shafts and other high-duty mechanical assemblies.

Advantages for B2B Buyers

• High durability: The nitrile rubber compound offers robust resistance to mineral oils and greases typical in industrial environments, enabling extended service life.

• Standard sizing: The 25x42x7 mm format is widely searched and supported, simplifying replacement and inventory management in maintenance operations.

• Industrial readiness: Designed for use in heavy-duty applications, this component integrates seamlessly with bearing units or bearing housings and supports industrial shaft sealing systems.

• Efficient procurement: Clear dimensioning and trusted brand enable fast identification and ordering. Keywords such as “rotary shaft seal 25x42x7”, “oil seal NBR 25x42x7”, “simering wału 25x42x7” indicate strong search demand for this specification, making it SEO-relevant for industrial buyers.

Technical Data

• Product: Rotary shaft seal

• Model: CORTECO 12010854

• Material: NBR (nitrile rubber)

• Configuration: BA type (single lip with spring)

• Dimensions: Inner diameter 25 mm, outer diameter 42 mm, width 7 mm

• Typical uses: shaft sealing, hydraulic and pneumatic drives, rotational mechanical assemblies

• Related terms: oil seal, rotary shaft seal, sealing ring, rubber gasket, industrial seal

FAQ

Q1: What does the “BA” designation mean in this seal?
A1: The “BA” indicates a single sealing lip with an internal garter spring that maintains consistent contact pressure on the shaft, improving sealing efficacy in rotary applications.
Q2: Which environments suit the NBR elastomer?
A2: Nitrile rubber (NBR) is suited for mineral oils and greases, moderate temperatures (typically up to ~100 °C), and applications where high durability in rotational motion is required.
Q3: Why is the size 25x42x7 mm commonly searched?
A3: This metric size is standard in many industrial drives and automotive applications, making it one of the common formats for replacement seals and spares.
Q4: Can this seal be used in bearing housing units or alongside bearing units?
A4: Yes — the seal is compatible with bearing units and bearing housings where shaft sealing is required to protect the łożysko kulkowe or other bearing types from lubricant loss and contamination.
Q5: Is this product suitable for industrial lot orders and fast delivery?
A5: Absolutely — the CORTECO 12010854 seal is targeted at B2B procurement channels, with warehouse availability and fast dispatch.