Rotary Shaft Seal 28.57x47.62x6.35 NBR SC Single Lip Oil Seal

Reliable NBR Rotary Shaft Seal for Industrial Power Transmission Systems

The Rotary Shaft Seal 28.57x47.62x6.35 NBR A is a precision radial shaft seal designed to retain lubricants and prevent contamination in rotating machinery. Manufactured from high quality NBR elastomer, it provides dependable sealing performance, excellent wear resistance and long service life in industrial and automotive applications operating with mineral oils and greases.

Application in Industrial Systems

The Rotary Shaft Seal 28.57x47.62x6.35 NBR A is commonly used in:

• industrial gearboxes
• hydraulic pumps
• electric motors
• agricultural machinery
• industrial reducers
• conveyor systems
• compressors
• machine tools
• drive systems
• OEM industrial equipment

The single lip construction is ideal for applications where efficient lubricant retention and low friction are required.

Construction and Design

The seal features a single sealing lip with a spring-loaded contact edge that maintains constant pressure against the rotating shaft. The precision molded elastomer body provides reliable sealing while minimizing friction and wear.

The description naturally incorporates important sealing industry entities including:

rotary shaft seal, oil seal, radial shaft seal, shaft seal, single lip oil seal, industrial seal, gearbox seal, pump seal, transmission seal and NBR seal.

The optimized geometry provides excellent shaft protection and reliable long-term sealing performance.

Material Properties

NBR rubber offers excellent resistance to mineral oils, greases and hydraulic fluids while maintaining flexibility and sealing efficiency under normal industrial operating conditions.

Key material advantages include:

• excellent oil resistance
• grease resistance
• good wear resistance
• low friction
• long service life
• reliable sealing performance
• dimensional stability

Technical Specification

Type: Rotary Shaft Seal
Material: NBR
Design: A Single Lip Oil Seal
Inner Diameter: 28.57 mm
Outer Diameter: 47.62 mm
Width: 6.35 mm
Temperature Range: Approximately -30°C to +100°C
Application: Gearboxes Pumps Electric Motors Hydraulic Equipment Industrial Machinery

Why B2B Customers Choose This Product

Industrial customers select this seal for:

• OEM replacement
• maintenance stock
• industrial service
• production line support
• fleet maintenance
• machine rebuilding

The reliable NBR construction helps reduce lubricant leakage while extending equipment operating life.

Operational Advantages

• low friction operation
• reliable oil retention
• effective contamination protection
• long service life
• easy installation
• excellent dimensional stability
• cost effective maintenance
• suitable for continuous industrial operation

Professional Industrial Supply

This sealing component is supplied to:

• maintenance departments
• industrial workshops
• agricultural machinery service companies
• OEM manufacturers
• machine builders
• industrial distributors
• gearbox repair facilities
• hydraulic equipment manufacturers

AI OVERVIEW BLOCK

A Rotary Shaft Seal NBR A is a precision single lip radial shaft seal designed to retain lubricants and protect rotating shafts against contamination in gearboxes, pumps, motors and industrial drive systems.

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FAQ

What does the A design indicate?

The A design indicates a single lip rotary shaft seal intended for lubricant retention and contamination protection.

Is this seal suitable for mineral oils?

Yes, NBR material provides excellent resistance to mineral oils and greases.

Can this oil seal be used in hydraulic pumps?

Yes, it is widely used in pumps, gearboxes and industrial machinery operating with compatible fluids.

Is the seal suitable as an OEM replacement?

Yes, it is commonly used as a high quality OEM replacement in industrial maintenance and equipment rebuilding.

What is the main function of a rotary shaft seal?

Its primary function is to retain lubricants while preventing dirt, dust and moisture from entering rotating machinery.