22207 AV NILOS Metal Seal - External Seal Ring for 22207 Spherical Roller Bearings

22207 AV NILOS Metal Seal - External Seal Ring for 22207 Spherical Roller Bearings

The NILOS 22207 AV Metal Seal is a precision-engineered external sealing ring designed specifically for 22207 spherical roller bearings. Crafted from zinc-plated, high-strength steel, it installs on the outer bearing ring to form a self-creating labyrinth barrier that effectively prevents dirt, dust, and grease leakage.

✅ Key Features & Specs

• Type: AV - External seal for spherical roller bearings

• Dimensions: inner diameter 35 mm x outer diameter 64.8 mm x width 2.5 mm; ring thickness (s) 0.3 mm

• Material: Zinc-plated alloy/steel — corrosion-resistant, durable under industrial stress

• Compatibility: Fits open 22207 bearings lacking internal shields; creates micro-groove seal during run-in process

• Weight: Approximately 0.007 kg — ultra-light, compact

This metal seal delivers reliable, maintenance-free protection by creating a dynamic labyrinth barrier, boosting bearing lifespan and reducing downtime under harsh environmental conditions.

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❓ FAQ - Frequently Asked Questions

What is a NILOS 22207 AV metal seal?
A pressed steel sealing ring designed for open-air installation onto the outer race of a 22207 spherical roller bearing, providing effective external sealing without internal shields.

How does the seal work?
During installation and initial operation, the seal wears a shallow labirynth groove into the outer ring, creating a self-adjusting barrier to contaminants while retaining lubrication

Why use a NILOS seal instead of a rubber shield?
It offers superior contamination protection, especially in abrasive environments. No active maintenance or replacement needed once installed.

What sizes does it fit?
Specifically sized for bearings with outer dimensions 64.8 mm, inner 35 mm, and ring width 2.5 mm (spherical roller bearing series 22207).

Can it be used in dust and moisture-prone environments?
Yes, it excels in industrial, agricultural, mining and heavy machinery contexts, where dirt and moisture compromise bearing life.

🎯 Applications & Benefits

• Industrial Machinery & Spherical Bearings - protects bearings in harsh conditions

• Heavy Equipment & Mining Industry - prevents abrasive damage and grease loss

• Agricultural & Construction Equipment - ease of installation, long-term reliability

• Maintenance-Free Operation - no lubrication servicing required post-install

• Compact & Lightweight - minimal impact on bearing geometry and fit

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