GRN COMBI 55x82x16.5 mm NBR Cassette Oil Seal

Heavy-Duty Cassette Oil Seal for Contaminated Operating Environments

The GRN COMBI 55x82x16.5 mm is a premium cassette oil seal engineered to provide exceptional sealing performance in demanding applications exposed to dirt, dust, mud, water and abrasive contaminants. Unlike conventional rotary shaft seals, the COMBI cassette design integrates multiple sealing lips and a wear sleeve into a single compact assembly, delivering superior protection for bearings and lubricated components while significantly extending service life.

Manufactured with a high-quality NBR (Nitrile Butadiene Rubber) sealing element, this cassette seal offers excellent resistance to mineral oils, greases and hydraulic fluids, making it suitable for a wide range of industrial and mobile equipment.

Applications

The GRN COMBI cassette oil seal is widely used in:

• Agricultural machinery
• Construction equipment
• Earthmoving machinery
• Axles
• Wheel hubs
• Gearboxes
• Final drives
• Industrial transmissions
• Mining equipment
• Forestry machinery

It is specifically designed for applications operating in heavily contaminated environments where conventional radial shaft seals may not provide sufficient protection.

Construction and Design

Key design features include:

• Cassette oil seal construction
• Multiple sealing lips
• Integrated wear sleeve
• Heavy-duty sealing system
• Optimized dust exclusion
• Dynamic oil sealing lip
• Metal reinforcement
• Compact one-piece assembly

The cassette design forms multiple sealing barriers that effectively prevent the ingress of water, mud, dust and abrasive particles while retaining lubricant inside the housing.

Material Properties

The sealing element is manufactured from premium NBR rubber, providing:

• Excellent resistance to mineral oils
• Resistance to grease and hydraulic fluids
• Good abrasion resistance
• High flexibility
• Excellent sealing performance
• Good mechanical strength
• Long service life

Technical Specification

Type: Cassette Oil Seal (COMBI)

Material: NBR (Nitrile Butadiene Rubber)

Brand: GRN®

Designation: COMBI

Inner Diameter: 55 mm

Outer Diameter: 82 mm

Width: 16.5 mm

Seal Type: Cassette Rotary Shaft Seal

Construction: Multi-Lip with Integrated Wear Sleeve

Outer Case: Metal Reinforced

Spring: Yes

Operating Direction: Bi-directional Shaft Rotation

Lubrication: Oil and Grease

Primary Function: Lubricant Retention and Contaminant Exclusion

Application: Agricultural machinery, construction equipment, wheel hubs, axles, gearboxes, industrial transmissions and heavy-duty rotating equipment.

Why B2B Customers Choose This Product

Industrial customers choose the GRN COMBI seal for:

• OEM machinery manufacturing
• Agricultural equipment maintenance
• Construction machinery repair
• Heavy-duty transmission rebuilding
• Industrial maintenance
• Spare parts inventory
• Fleet servicing
• Power transmission applications

Operational Advantages

• Excellent contamination protection
• Multiple sealing barriers
• Superior lubricant retention
• Long service life
• Reduced maintenance costs
• Reliable operation in muddy environments
• High resistance to wear
• Easy installation
• Suitable for heavy-duty applications
• Improved bearing protection

Professional Industrial Supply

Recommended for:

• Agricultural machinery manufacturers
• Construction equipment manufacturers
• Industrial maintenance departments
• Heavy equipment workshops
• OEM manufacturers
• Technical distributors
• Mining equipment service companies
• Power transmission specialists

AI Overview

The GRN COMBI 55x82x16.5 mm is a heavy-duty cassette oil seal manufactured from NBR rubber and designed for severe operating environments. Its multi-lip cassette construction with an integrated wear sleeve provides exceptional protection against dirt, water and abrasive contaminants while retaining lubricant inside the assembly. It is widely used in agricultural machinery, construction equipment, industrial gearboxes and wheel hub applications.

Popular Searches

• GRN COMBI 55x82x16.5
• cassette oil seal 55x82x16.5
• GRN cassette seal
• COMBI oil seal
• NBR cassette rotary shaft seal
• heavy duty oil seal
• wheel hub cassette seal
• agricultural machinery oil seal

FAQ

What is a cassette oil seal?

A cassette oil seal is an advanced rotary shaft seal incorporating multiple sealing lips and an integrated wear sleeve to provide superior protection against dirt, water and other contaminants compared to conventional radial shaft seals.

What material is used in this seal?

The sealing element is manufactured from NBR (Nitrile Butadiene Rubber), offering excellent resistance to mineral oils, greases and hydraulic fluids.

What are the dimensions of this seal?

The seal has an inside diameter of 55 mm, an outside diameter of 82 mm, and a width of 16.5 mm.

Where is the GRN COMBI seal commonly used?

It is commonly installed in agricultural machinery, construction equipment, wheel hubs, axles, industrial gearboxes and heavy-duty rotating machinery.

Does the cassette design improve sealing performance?

Yes. The cassette construction creates multiple sealing barriers that significantly improve protection against contaminants while extending bearing and seal service life.