CORTECO 12012561 FPM Rotary Shaft Seal 53x68x10 - B1BASLRSX7 Oil Seal

Technical Specifications, Applications & Ultimate Durability of 12012561 FPM Shaft Seal

Product Overview

The CORTECO 12012561 FPM B1BASLRSX7 rotary shaft seal (53x68x10 mm) is engineered for heavy-duty applications where resistance to high temperature, oil, fuel, and chemicals is essential. Built from premium FPM (Fluorinated Rubber / fluoroelastomer), it ensures excellent sealing performance under demanding conditions. Its precise 53x68x10 dimensions make this seal ideal for replacing or maintaining key rotating assemblies in automobiles, industrial machinery, and heavy equipment.

This shaft seal is compatible with FIAT (OE 7632452) and Graziano Trasmissioni (OE 71561) reference numbers, offering a direct-fit solution for specific vehicle and component brands.

Technical Specifications

• Product name: CORTECO 12012561

• Material: FPM (Fluoroelastomer) - excellent chemical, heat, and oil resistance

• Dimensions: 53 mm inner diameter x 68 mm outer diameter x 10 mm thickness

• Design / Type Code: B1BASLRSX7 - specific profile including sealing lip and orientation

• Compatible OEM / Reference numbers:
   • FIAT: 7632452
   • Graziano Trasmissioni: 71561

• Intended application: Rotary shaft / crankshaft sealing, oil retention, contamination exclusion

• Operating conditions: High-temperature, oil/grease exposure, fuel contact, harsh chemical environments

• Direction of rotation / lip orientation: Profiled per B1BASLRSX7 specification

• Sealing capability: Designed to maintain tight sealing under dynamic conditions and avoid leakage

Key Advantages

1. High chemical and thermal stability - FPM material resists aggressive oils, fuels, and elevated temperatures.

2. Precise fit (53x68x10) - ensures minimal leakage and consistent performance.

3. OEM-compatible references - easy replacement for FIAT and Graziano applications.

4. Robust sealing lip design - B1BASLRSX7 profile ensures optimal contact and sealing under dynamic loads.

5. Versatile usage - fits a range of rotating equipment, transmissions, and automotive systems.

6. Low friction & long life - design minimizes wear and maximizes service interval longevity.

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FAQ (Frequently Asked Questions)

Q: What does “FPM” mean in this seal description?
A: FPM stands for fluoroelastomer (fluorinated rubber), known for high heat, chemical, oil, and fuel resistance, making it ideal for demanding applications.

Q: Are there other designations for this seal?
A: Yes — you may also see it referenced as 12012561 B1BASLRSX7, or by OEM numbers FIAT 7632452 or Graziano 71561.

Q: Does 53x68x10 fit many applications?
A: Yes — that dimension is commonly used in automotive and industrial rotating shafts, crankshafts, and transmission systems.

Q: Is this a directional seal (needs orientation)?
A: The B1BASLRSX7 profile implies the lip orientation and sealing direction must match the intended rotation; correct installation is essential for optimal performance.

Q: Can this seal handle high RPMs and heavy duty environment?
A: Absolutely — the FPM material and robust lip design are selected to perform under high-speed rotation, temperature, and fluid exposure.

Q: What is the advantage of this CORTECO seal over generic ones?
A: You get OEM-level compatibility, better materials (FPM), precise dimension control, and improved reliability in harsh environments.

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