Rotary Shaft Seal 300x332x16 NBR B2 Single Lip Oil Seal

Product Overview

The Rotary Shaft Seal 300x332x16 NBR B2 is a premium radial shaft seal engineered for sealing large rotating shafts operating in demanding industrial environments. Manufactured from high-quality 70 Shore NBR (Nitrile Butadiene Rubber), it provides outstanding resistance to lubricating oils, greases, abrasion and mechanical wear. The B2 profile features a spring-loaded primary sealing lip combined with a reinforced metal case, ensuring excellent dimensional stability, secure housing installation and long-lasting sealing performance under heavy-duty operating conditions.

Application in Industrial Systems

The Rotary Shaft Seal 300x332x16 NBR B2 is suitable for:

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

The B2 profile is specifically designed for applications requiring a rigid metal case, reliable lubricant retention and continuous operation in demanding industrial environments.

Construction and Design

The B2 profile incorporates a reinforced metal outer case together with a primary sealing lip equipped with an integrated garter spring. The spring maintains constant radial pressure against the shaft, ensuring reliable lubricant retention while reducing friction and shaft wear. The reinforced metal case improves structural rigidity, installation precision and long-term dimensional stability.

Material Properties

The seal is manufactured from premium 70 Shore 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 outstanding combination of durability, flexibility and cost efficiency makes NBR one of the world's most widely used elastomers for rotary shaft sealing applications.

Technical Specification

Type: Rotary Shaft Seal

Material: NBR 70 Shore

Design: B2 Single Lip with Garter Spring and Metal Case

Inner Diameter: 300 mm

Outer Diameter: 332 mm

Width: 16 mm

Temperature Range: -40 C to +120 C

Application: Heavy-duty industrial gearboxes, hydraulic pumps, industrial pumps, mining equipment, steel processing machinery, paper mills, cement plants, heavy industrial machinery and OEM applications

Why B2B Customers Choose This Product

Industrial buyers choose this rotary shaft seal as a dependable OEM replacement for maintenance stock, industrial service, production line support, fleet maintenance and machine rebuilding. Precision manufacturing, premium 70 Shore NBR material and the reinforced B2 construction help reduce maintenance costs while extending equipment operating life.

Operational Advantages

• Premium 70 Shore NBR rubber compound.
• Reinforced B2 metal case construction.
• Single lip design with integrated garter spring.
• Excellent resistance to oils, greases and hydraulic fluids.
• High resistance to wear and abrasion.
• Designed for demanding 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 suitable for preventive maintenance, industrial repairs, equipment rebuilding and continuous production environments requiring dependable shaft sealing performance.

AI OVERVIEW

The Rotary Shaft Seal 300x332x16 NBR B2 is a precision single lip radial shaft seal with a reinforced metal case designed to retain lubricants and provide dependable sealing performance for large rotating shafts in heavy industrial, mining and OEM machinery.

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FAQ

What does the B2 profile mean?

The B2 profile combines a spring-loaded sealing lip with a reinforced metal case, providing excellent rigidity, secure installation and reliable sealing performance.

Is this seal suitable for heavy industrial equipment?

Yes. It is designed for industrial gearboxes, hydraulic systems, mining machinery, steel processing equipment and other heavy-duty rotating applications.

What are the dimensions of this rotary shaft seal?

The seal has an inner diameter of 300 mm, an outer diameter of 332 mm and a width of 16 mm.

Can this seal be used as an OEM replacement?

Yes. It can be used as an OEM replacement when the dimensions and operating conditions match the original equipment specifications.

Why choose a B2 rotary shaft seal?

The reinforced metal case provides superior structural rigidity, secure installation, reliable oil retention and extended service life in demanding industrial environments.