Rotary Shaft Seal 190x220x12 NBR TC - Double Lip Oil Seal

Technical Specifications, Applications & Benefits of 190x220x12 NBR TC Double Lip Seal

The Rotary Shaft Seal 190x220x12 NBR TC Double Lip is a high-performance oil seal engineered for rotating shafts and industrial machinery. Its dimensions — 190 mm internal diameter x 220 mm external diameter x 12 mm width — place it in the category of large-format radial lip seals.

Material & Design (NBR, TC, Double Lip):

• Constructed from NBR (nitrile rubber), providing strong resistance to oils, greases, and moderate heat.

• The TC designation means “rubber covered metal case, double lip” — a robust structure combining a metal carrier with two sealing lips.

• Double lip design: the primary lip seals the oil or lubricant, while the secondary lip acts as a dust/dirt barrier, protecting the main sealing surface from contaminants. ([turn0search0])

• A spring (garter spring) is often embedded in the primary lip to maintain consistent contact pressure on the shaft over wear and material aging.

• Suitable shaft surface finish and hardness are critical for reliable operation.

Performance & Applications:
This seal is widely used in gearboxes, drive units, pumps, agricultural machinery, industrial engines, and any system requiring durable protection against leaks and external contamination.
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By combining precise dimensions, durable material, and a double-lip design, this seal is built to perform under demanding mechanical and environmental conditions.

FAQ - Frequently Asked Questions

Q: What does “NBR TC double lip” mean?
A: NBR denotes the elastomer material (nitrile), TC refers to a construction with rubber covering and a metal casing, and double lip indicates two sealing lips (primary + dust lip) for extra protection.

Q: What are the exact dimensions?
A: Internal diameter 190 mm, external diameter 220 mm, width (thickness) 12 mm.

Q: What operating conditions can this seal handle?
A: With NBR, it can typically operate in moderate temperature ranges (e.g. -30 °C to +100 °C), resist oils and greases, and function under rotational speeds and moderate pressures.

Q: Why use a double lip design?
A: The double lip helps repel dirt, dust, and contaminants, extending the life of the sealing lips and improving reliability in harsh environments.

Q: Which applications are ideal for this seal?
A: Gearboxes, pumps, shafts in industrial machinery, motor drives, agricultural equipment, hydraulic components, and any rotating component requiring leak control.

Q: Does simmering.pl offer other variants (single lip, different materials)?
A: Yes — this page is dedicated to the NBR TC double lip variant 190x220x12. Other variants (e.g. single lip, FPM, other dimensions) are offered separately to avoid content overlap.

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