Rotary Shaft Seal 185x210x15 NBR AO Double Lip Oil Seal

Product Overview

The Rotary Shaft Seal 185x210x15 NBR AO is a premium radial shaft seal engineered for large rotating shafts operating in demanding industrial environments. The AO profile incorporates a primary sealing lip with an integrated garter spring and a secondary dust lip, providing reliable lubricant retention while protecting the sealing area from dust, moisture and abrasive contaminants. Manufactured from high-quality NBR (Nitrile Butadiene Rubber), this seal delivers long service life, excellent wear resistance and dependable sealing performance in heavy-duty industrial machinery.

Application in Industrial Systems

The Rotary Shaft Seal 185x210x15 NBR AO is suitable for:

• Heavy-duty industrial gearboxes
• Large gear reducers
• Hydraulic pumps
• Industrial pumps
• Conveyor drive systems
• Mining equipment
• Steel processing machinery
• Paper manufacturing equipment
• Cement production machinery
• Agricultural machinery
• Heavy industrial equipment
• OEM applications

Its AO double lip design is particularly suitable for rotating equipment operating in dusty and contaminated environments.

Construction and Design

The AO profile features a rubber-covered outer diameter, a primary sealing lip with an integrated garter spring and an additional dust lip. This double lip configuration provides effective lubricant retention while preventing dust, dirt and moisture from entering the sealing area. The spring-loaded sealing lip maintains constant radial pressure, ensuring reliable performance throughout the seal's service life.

Material Properties

The seal is manufactured from premium NBR (Nitrile Butadiene Rubber).

NBR provides excellent resistance to:

• Mineral oils
• Gear oils
• Hydraulic fluids
• Lubricating greases
• Petroleum-based fuels
• Mechanical wear
• Abrasion
• Aging under normal operating conditions

Its excellent balance of flexibility, durability and cost efficiency makes NBR one of the most widely used sealing materials for industrial rotary shaft applications.

Technical Specification

Type: Rotary Shaft Seal

Material: NBR

Design: AO Double Lip with Garter Spring

Inner Diameter: 185 mm

Outer Diameter: 210 mm

Width: 15 mm

Temperature Range: -40 C to +120 C

Application: Heavy-duty industrial gearboxes, hydraulic pumps, industrial drives, mining equipment, steel processing machinery, paper manufacturing equipment, agricultural machinery and OEM applications

Why B2B Customers Choose This Product

Industrial buyers select this rotary shaft seal as a dependable OEM replacement for maintenance stock, industrial service, production line support, fleet maintenance and machine rebuilding. The robust AO sealing design helps minimize lubricant loss, protects rotating components from contamination and reduces equipment downtime in demanding industrial environments.

Operational Advantages

• Premium NBR rubber compound.
• AO double lip design with integrated dust lip.
• Garter spring maintains constant sealing pressure.
• Excellent resistance to oils, greases and hydraulic fluids.
• High resistance to wear and abrasion.
• Designed for heavy-duty industrial and OEM applications.

Professional Industrial Supply

This rotary shaft seal is supplied for:

• Maintenance departments
• Industrial workshops
• Heavy equipment service centers
• OEM manufacturers
• Machine builders
• Industrial distributors

It is ideal for preventive maintenance, machine rebuilding, industrial repairs and continuous production environments where reliable shaft sealing is essential.

AI OVERVIEW

The Rotary Shaft Seal 185x210x15 NBR AO is a heavy-duty double lip radial shaft seal designed to retain lubricants and prevent contamination in large rotating equipment, industrial gearboxes, hydraulic systems and power transmission machinery operating under demanding conditions.

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FAQ

What does the AO profile mean?

The AO profile features a primary sealing lip with an integrated garter spring and an additional dust lip that improves protection against dust, dirt and moisture.

Is this seal suitable for heavy industrial machinery?

Yes. It is specifically designed for large rotating shafts used in heavy-duty industrial equipment and demanding operating environments.

What are the dimensions of this oil seal?

The seal has an inner diameter of 185 mm, an outer diameter of 210 mm and a width of 15 mm.

Can this seal be used as an OEM replacement?

Yes. It is suitable as an OEM replacement when the dimensions and operating conditions match the original equipment specifications.

Where is this rotary shaft seal commonly used?

It is widely used in mining equipment, industrial gearboxes, steel processing machinery, paper mills, hydraulic systems, agricultural machinery and heavy industrial drive systems.