CORTECO Rotary Shaft Seal 12001377B - NBR B1SL Radial Oil Seal, 13x20x4/4.5 mm with Dust Lip

CORTECO Rotary Shaft Seal 12001377B - NBR B1SL Radial Oil Seal, 13x20x4/4.5 mm with Dust Lip

The CORTECO 12001377B Rotary Shaft Seal is a premium-quality radial oil seal engineered for robust performance in demanding industrial and automotive applications. Made from NBR (nitrile butadiene rubber), this oil-resistant seal features the proven B1SL design with a built-in dust lip to prevent leakage and contamination. Measuring 13 mm inner x 20 mm outer x 4/4.5 mm width, it ensures tight sealing along rotating shafts. OEM reference CAGIVA 48856 — ideal for reliable replacements. As part of CORTECO's renowned Simmerring® range, this radial rotary shaft seal offers exceptional durability, low friction, and long service life.

📦 Order now from simmering.pl - Your specialist supplier for industrial and automotive rotary shaft seals. 24-hour dispatch from our Lublin warehouse - Smoluchowskiego 1, Building 4, nationwide and international shipping available.

🧩 Summary (Quick Specs)

• Type: Rotary Shaft Seal / Radial Oil Seal

• Ref.: CORTECO 12001377B (OEM CAGIVA 48856)

• Material: NBR (nitrile butadiene rubber)

• Design: B1SL with dust lip

• Dimensions: 13x20x4/4.5 mm

• Applications: Automotive, industrial shafts (crank, cam, gearbox)

• Benefits: OE-quality, low friction, high abrasion resistance

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• CORTECO 12001377B

• radial oil seal

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• Simmerring

• B1SL oil seal

• NBR oil seal

• CAGIVA 48856

• radial rotary shaft seals

🛠️ FAQ - Engineered for Clarity & SEO

Q1: What makes the CORTECO 12001377B a radial oil seal?
A: It’s a specialized rotary shaft seal designed for radial sealing — the sealing lip encircles the shaft, effectively preventing fluid leakage around rotating shafts.

Q2: Does it fit shafts beyond 13 mm inner diameter?
A: No—this specific seal is sized precisely 13x20x4/4.5 mm. For different shaft dimensions, check our catalog.

Q3: What is NBR and why is it used?
A: NBR (nitrile butadiene rubber) offers excellent resistance to oil, fuel, and wear—ideal for high-performance rotary shaft seals.

Q4: Can this replace CAGIVA 48856?
A: Yes—OEM reference CAGIVA 48856 matches CORTECO 12001377B directly, ensuring proper compatibility.

Q5: How soon will I receive my order?
A: Orders placed before cut‑off are shipped within 24 h from our Lublin warehouse via nationwide and international delivery.

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