Rotary Shaft Seal 280x310x16 NBR TC - Double Lip Oil Seal

High-Performance NBR TC Double Lip Oil Seal 280x310x16 for Rotary Shafts

The Rotary Shaft Seal 280x310x16 NBR TC Double Lip is a robust oil seal designed for heavy-duty rotary shaft applications. With an inner diameter of 280 mm, an outer diameter of 310 mm, and a width of 16 mm, it is engineered to provide reliable oil retention and contamination protection in industrial environments.

Construction & Material

• Material: NBR (nitrile rubber) - excellent resistance to mineral oils, lubricants, greases, and moderate fuels.

• Type TC: Metal case with elastomer coating for strength and flexibility.

• Double Lip Design:

  • Primary lip retains lubricants and prevents leakage.

  • Secondary dust lip (AO type) protects against dirt, dust, and external contamination.

• Spring-loaded sealing lip: A garter spring ensures consistent radial load against the shaft.

• Reinforced case: Guarantees stability and precise fit in the housing bore.

Performance & Applications

• Temperature range: approx. -30 °C to +100 °C (short peaks to +120 °C).

• Typical uses:

  • Gearboxes and reducers

  • Hydraulic and lubrication systems

  • Motors and pumps

  • Industrial machinery and heavy equipment

By combining oil retention with dust exclusion, the 280x310x16 NBR TC double lip seal offers extended service life and reliable sealing performance in demanding conditions.

❓ FAQ - Frequently Asked Questions

Q1: What does “TC double lip” mean?
A: “TC” refers to a rubber-coated metal case, and “double lip” means it has both an oil sealing lip and a dust lip for extra protection.

Q2: Why NBR?
A: NBR (nitrile rubber) is widely used because it resists oils, greases, fuels, and provides cost-effective durability.

Q3: What are the exact dimensions?
A: 280 mm inner diameter, 310 mm outer diameter, 16 mm width.

Q4: In which machines can this be used?
A: Gearboxes, pumps, motors, industrial shafts, hydraulic systems, and transmission assemblies.

Q5: Does the dust lip improve durability?
A: Yes - it blocks contaminants like dust and dirt, which extends the lifetime of the primary sealing lip.

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