Rotary Shaft Seal 25x52x10 NBR B2 Single Lip Oil Seal

Product Overview

The Rotary Shaft Seal 25x52x10 NBR B2 is a premium radial shaft seal designed for reliable sealing of rotating shafts in industrial and automotive applications. 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 reliable lubricant retention, dimensional stability and long service life in demanding operating conditions.

Application in Industrial Systems

The Rotary Shaft Seal 25x52x10 NBR B2 is suitable for:

• Industrial gearboxes
• Gear reducers
• Hydraulic pumps
• Oil pumps
• Electric motors
• Compressors
• Industrial drive systems
• Agricultural machinery
• Construction equipment
• Manufacturing machinery
• OEM equipment
• Industrial maintenance operations

The B2 profile is particularly suitable for applications requiring a rigid metal case and secure installation in the housing.

Construction and Design

The B2 profile incorporates a precision metal case together with a primary sealing lip fitted with an integrated garter spring. The spring maintains constant radial pressure against the shaft, ensuring reliable lubricant retention while minimizing wear. The metal outer case increases structural rigidity, improves installation accuracy and provides excellent dimensional stability.

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 seals.

Technical Specification

Type: Rotary Shaft Seal

Material: NBR

Design: B2 Single Lip with Garter Spring and Metal Case

Inner Diameter: 25 mm

Outer Diameter: 52 mm

Width: 10 mm

Temperature Range: -40 C to +120 C

Application: Industrial gearboxes, hydraulic pumps, oil pumps, electric motors, compressors, industrial machinery, agricultural equipment 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 reinforced metal case, premium NBR material and precision manufacturing ensure long service life, reliable sealing performance and reduced maintenance costs.

Operational Advantages

• Premium NBR rubber compound.
• B2 single lip design with integrated garter spring.
• Reinforced metal case for secure installation.
• Excellent resistance to oils, greases and hydraulic fluids.
• High resistance to wear and abrasion.
• Designed for OEM manufacturing and industrial maintenance.

Professional Industrial Supply

This rotary shaft seal is supplied for:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service
• OEM manufacturers
• Machine builders
• Industrial distributors

It is suitable for preventive maintenance, industrial repairs, machine rebuilding and continuous production environments requiring reliable shaft sealing.

AI OVERVIEW

The Rotary Shaft Seal 25x52x10 NBR B2 is a precision single lip radial shaft seal with a reinforced metal case, designed to retain lubricants and provide reliable sealing for rotating machinery in industrial, agricultural and OEM applications.

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FAQ

What does the B2 profile mean?

The B2 profile features a single spring-loaded sealing lip combined with a reinforced metal case for improved rigidity and secure housing installation.

Is this seal suitable for industrial machinery?

Yes. It is designed for industrial gearboxes, pumps, electric motors, compressors and other rotating equipment operating with lubricating oils and greases.

What are the dimensions of this rotary shaft seal?

The seal has an inner diameter of 25 mm, an outer diameter of 52 mm and a width of 10 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 specification.

Why choose a B2 rotary shaft seal?

The B2 design offers excellent structural rigidity, secure installation, reliable oil retention and long service life, making it ideal for demanding industrial applications.