NAK TC NBR Oil Seal - Lot of 11

Description

This is a bulk package containing 11 high-performance rotary shaft seals from NAK, type TC. These seals are engineered to provide superior sealing in a wide range of applications. The construction features a metal case for structural rigidity, a durable NBR rubber outer diameter for static sealing, and a spring-loaded primary sealing lip for dynamic sealing on the shaft. They are ideal for retaining oil or grease and excluding dirt, dust, and moisture.

Specifications

• Manufacturer: NAK
• Type: TC (Single Lip with Spring, Rubber Covered)
• Material: NBR (Nitrile Butadiene Rubber)
• Shaft Diameter (d1): 44.45 mm / 1.750 inch
• Outer Diameter (D): 57.15 mm / 2.250 inch
• Width (b): 9.52 mm / 0.375 inch
• Temperature Range: -40 deg C to 100 deg C
• Quantity: 11 pieces

Label Info

• Supplier: Techniparts
• Supplier Part Number: TPF-67059859
• Description: Oliekeerring NBR WAS

Application

Suitable for general machinery, gearboxes, pumps, motors, and axles where reliable lubricant retention and contaminant exclusion are required.

Country of Origin

Manufactured in Taiwan by NAK Sealing Technologies.

CO2 Impact

Opting for these refurbished or surplus seals saves approximately 0.55 kg of CO2 compared to new production, contributing to a more sustainable industrial operation.

Availability

This lot of 11 seals is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

NBR (Nitrile) is a standard material with good resistance to mineral oils and greases, suitable for temperatures up to 100 deg C. Viton (FKM) offers superior resistance to a wider range of chemicals and can withstand much higher temperatures, typically up to 200 deg C, but is more expensive.

Yes, WAS (DIN 3760 Form A) and TC are designations for very similar types of seals: a rubber-covered metal case with a spring-loaded sealing lip. They are generally considered interchangeable for most applications.

The garter spring is a coiled steel spring that fits into a groove in the sealing lip. It applies a constant, uniform radial force, pressing the lip against the shaft to maintain a tight seal, even with minor shaft imperfections, thermal expansion, or wear over time.

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Last Update: Friday, March 13, 2026