CORTECO NBR COMBI Oil Seal 30x44x11 - 12001879 for Differential Shafts

Applications

The CORTECO NBR COMBI Oil Seal 30x44x11 (12001879/82001879) is a precision-engineered rotary shaft seal designed for differential shafts and rotary motion systems in industrial and automotive machinery. Developed as part of CORTECO’s Radiar rotary shaft seals line, this model ensures reliable sealing performance in high-load, high-speed environments.

Constructed from high-grade NBR (nitrile butadiene rubber), the seal provides exceptional resistance to oils, greases, fuels, and environmental contaminants. It’s ideal for both OEM and aftermarket use, offering dependable protection against oil leaks and debris ingress.

Compatible with several major machinery and vehicle manufacturers:

• Carraro: 118516

• CASE IH: 1966191C1

• John Deere: ER118516

• Landini: 3019952X1

• Massey Ferguson: 3019952X1

• Zetor: 930126

This oil seal fits perfectly in systems requiring precise rotary sealing performance and long-term durability under varying thermal and mechanical conditions.

Key Advantages

• ✅ High oil and chemical resistance: The NBR compound ensures long-lasting protection and minimal wear, even under continuous exposure to lubricants and contaminants.

• ✅ COMBI dual-lip design: Offers both oil retention and dust exclusion, providing double protection for critical rotating components.

• ✅ Precision-engineered geometry: Guarantees a tight, leak-free fit and low friction during operation.

• ✅ Universal compatibility: Fits multiple brands of agricultural and industrial drive systems.

• ✅ Reliable performance in demanding environments: Designed for durability, sealing efficiency, and reduced maintenance costs.

Technical Data

• Brand: CORTECO (Freudenberg Group)

• Model: 12001879 / 82001879

• Type: COMBI NBR Rotary Shaft Seal

• Material: NBR (Nitrile Butadiene Rubber)

• Dimensions: 30x44x11 mm

• Design: Double-lip oil seal with integrated dust lip

• Applications: Differential shafts, rotary transmissions, drive axles, agricultural and industrial equipment

• OEM Cross References: Carraro 118516, CASE IH 1966191C1, John Deere ER118516, Landini 3019952X1, Massey Ferguson 3019952X1, Zetor 930126

Why Choose CORTECO Rotary Shaft Seals?

CORTECO, part of the Freudenberg Group, is globally recognized for producing premium rotary shaft seals and technical sealing components for the automotive and industrial sectors. The COMBI series represents advanced engineering that minimizes oil leakage, reduces friction, and extends component life.
The 30x44x11 model provides a reliable rotary oil sealing solution for manufacturers and service professionals seeking OEM-grade quality with guaranteed performance in harsh environments.

FAQ - Common Questions About This Seal

Q1: What is a COMBI Oil Seal?
A COMBI seal combines a main oil-sealing lip with an additional dust lip, providing protection against both fluid leaks and external contamination.

Q2: Is NBR suitable for industrial environments?
Yes. NBR offers excellent resistance to oils, greases, and moderate temperatures, making it ideal for industrial and automotive rotary systems.

Q3: What are the dimensions of this seal?
The CORTECO 12001879/82001879 Oil Seal measures 30 mm (ID) x 44 mm (OD) x 11 mm (width).

Q4: Which machines use this seal?
It is compatible with models from Carraro, CASE IH, John Deere, Landini, Massey Ferguson, and Zetor.

Q5: How does this seal reduce maintenance costs?
Its dual-lip design and high-quality NBR material prevent oil leakage and contamination, reducing wear on shafts and extending maintenance intervals.