Sealing Ring NBR 15x21x4 | Double Lip Seal

RICH NBR Sealing Ring 15 x21 x4 mm – Durable Double Lip Oil Seal for Versatile Use

The RICH 15 x21 x4 mm NBR oil seal delivers outstanding sealing capability across a variety of mechanical and industrial applications. Crafted from premium NBR (Nitrile Butadiene Rubber), this sealing ring stands up to frequent exposure to oils, fuels, water-based liquids, and mild solvents for dependable, long-lasting service.

Featuring a double-lip construction, this oil seal offers superior protection by minimizing internal fluid escape and blocking the intrusion of dust, moisture, and other contaminants. Its advanced design helps extend equipment life and minimize maintenance in rotating shaft assemblies, gearboxes, pumps, and other systems requiring compact, robust sealing solutions.

Engineered for compatibility with hydraulic equipment, automotive parts, agricultural machines, and general-purpose industrial devices, this NBR sealing ring maintains reliable performance under standard temperature and pressure environments. Manufactured in China to rigorous quality standards, it provides precise fit, exceptional durability, and consistent results.

Technical Specifications:

• Type: Oil Seal / Shaft Seal / Sealing Ring
• Material: NBR (Nitrile Butadiene Rubber)
• Design: Double Lip (TC profile)
• Dimensions: 15 mm Inner Diameter × 21 mm Outer Diameter × 4 mm Width
• Temperature Range: -30°C to +100°C
• Chemical Resistance: Good – suitable for oils, fuels, water, and mild solvents
• Function: Prevents fluid leakage and ingress of contaminants
• Applications: Industrial, hydraulic, automotive, agricultural machinery
• Brand: RICH
• Origin: Made in China
• Minimum Order: 10 units

Key Benefits:

• Consistent Temperature Performance: Effective sealing in standard industrial temperature ranges.
• Strong Oil and Fuel Resistance: Maintains integrity with common lubricants and petroleum-based fluids.
• Enhanced Double-Lip Design: Provides extra defense against leaks and contamination.
• Space-Saving Dimensions: 15 x21 x4 mm sizing for seamless fit in compact assemblies.
• Extended Service Life: High-grade NBR construction reduces downtime and replacement needs.

Choose RICH for sealing solutions engineered to meet the demands of daily operation, offering reliability, efficiency, and superior performance in every use.