Rotary Shaft Seal 115x150x13 NBR B2 Single Lip Oil Seal

Product Overview

The Rotary Shaft Seal 115x150x13 NBR B2 is a premium radial shaft seal designed for reliable sealing of rotating shafts in industrial and heavy-duty machinery. Manufactured from high-quality NBR (Nitrile Butadiene Rubber), it provides excellent resistance to lubricating oils, greases and mechanical wear. The B2 profile features a spring-loaded primary sealing lip and a reinforced metal case, ensuring secure installation, reliable oil retention and long service life in demanding operating conditions.

Application in Industrial Systems

The Rotary Shaft Seal 115x150x13 NBR B2 is suitable for:

• Industrial gearboxes
• Heavy-duty gear reducers
• Hydraulic pumps
• Industrial pumps
• Electric motors
• Compressors
• Conveyor drive systems
• Agricultural machinery
• Construction equipment
• Manufacturing machinery
• Heavy industrial equipment
• OEM applications

The B2 profile is designed for applications requiring a rigid metal case, dimensional stability and dependable sealing performance.

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 metal case increases structural rigidity and provides accurate installation within the housing.

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 combination of flexibility, durability and cost efficiency makes NBR one of the most widely used sealing materials for industrial rotary shaft seals.

Technical Specification

Type: Rotary Shaft Seal

Material: NBR

Design: B2 Single Lip with Garter Spring and Metal Case

Inner Diameter: 115 mm

Outer Diameter: 150 mm

Width: 13 mm

Temperature Range: -40 C to +120 C

Application: Industrial gearboxes, hydraulic pumps, industrial pumps, electric motors, compressors, agricultural machinery, heavy industrial equipment and OEM applications

Why B2B Customers Choose This Product

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

Operational Advantages

• Premium 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 reliable shaft sealing.

AI OVERVIEW

The Rotary Shaft Seal 115x150x13 NBR B2 is a precision single lip radial shaft seal with a reinforced metal case, designed to retain lubricants and provide dependable sealing performance in industrial, agricultural 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 industrial machinery?

Yes. It is designed for industrial gearboxes, hydraulic systems, pumps, electric motors and other heavy-duty rotating equipment.

What are the dimensions of this rotary shaft seal?

The seal has an inner diameter of 115 mm, an outer diameter of 150 mm and a width of 13 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.

Why choose a B2 rotary shaft seal?

The reinforced metal case improves installation stability and durability while the spring-loaded sealing lip ensures reliable lubricant retention and long service life.