Rotary Shaft Seal 43.5x56x7 mm NBR TC - Double-Lip Oil Seal

Rotary Shaft Seal 43.5x56x7 mm NBR TC - Double-Lip Oil Seal

The Rotary Shaft Seal 43.5x56x7 mm, constructed from NBR (nitrile rubber) and reinforced with a TC (metal case), features a double-lip design to ensure superior fluid retention and contamination protection. Perfect for rotary applications like crankshafts, pumps, or gearboxes, this seal delivers dependable performance under pressure and high RPM.

Global search patterns show frequent interest in terms like: “43.5x56x7 oil seal”, “double lip shaft seal 43.5x56x7”, “NBR oil seal 43.5 mm”, and “TC oil seal double lip”. This description naturally incorporates these key phrases for maximum visibility.

Key Features & Benefits

• Double-lip protection: One lip retains fluid while the secondary lip blocks dust and contaminants—ideal for demanding environments.

• NBR elastomer: Provides excellent resistance to oils, greases, and moderate temperatures.

• TC metal shell: Ensures structural stability and secure fit within housing.

• Precision dimensions: ID 43.5 mm, OD 56 mm, width 7 mm—critical for accurate replacement and application.

• Wide applications: Suited for automotive, industrial machinery, agricultural equipment, and general mechanical maintenance.

Why This Seal Stands Out

• Reliable sealing and long service life due to dual-lip architecture.

• Structural integrity from metal-backed design ensures consistent fit and performance.

• Material durability with NBR resisting oil and seal degradation.

• Effortless sourcing via simmering.pl with fast 24h dispatch for B2B partners located in Lublin.

5. FAQ - Frequently Asked Questions

1. What do the dimensions 43.5x56x7 mean?
They represent the inner diameter (43.5 mm), outer diameter (56 mm), and width (7 mm) of the seal.

2. Why choose NBR (nitrile rubber)?
NBR offers excellent resistance to oils, fuels, and mechanical wear—making it a trusted material for rotary seals.

3. What does TC (metal case) add to the seal?
The metal case anchors the seal securely within housing, minimizing deformation and ensuring end-to-end durability.

4. What advantage does the double-lip design provide?
The primary lip retains lubricants; the secondary lip excludes dirt and contaminants, extending seal life.

5. What industries is this seal used in?
Automotive engines, gearboxes, pumps, agricultural machinery, and industrial equipment—all where reliable fluid containment is critical.

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• B2B seal provider

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