GRN COMBI 75x100x13/14.5 mm NBR Cassette Oil Seal

Heavy-Duty Cassette Oil Seal for Harsh Operating Conditions

The GRN COMBI 75x100x13/14.5 mm is a premium cassette oil seal designed for rotary shaft applications operating in demanding environments where conventional radial shaft seals cannot provide sufficient protection. Its advanced cassette construction incorporates multiple sealing lips, an integrated wear sleeve, and a robust sealing system that effectively prevents the ingress of dirt, dust, mud, water and other contaminants while ensuring excellent lubricant retention.

Manufactured from high-quality NBR (Nitrile Butadiene Rubber), the sealing element offers outstanding resistance to mineral oils, greases and hydraulic fluids, making it an excellent solution for heavy-duty industrial and mobile equipment.

Applications

The GRN COMBI cassette oil seal is widely used in:

• Agricultural machinery
• Construction equipment
• Forestry machinery
• Mining equipment
• Wheel hubs
• Drive axles
• Final drives
• Industrial gearboxes
• Power transmission systems
• Heavy-duty rotating machinery

It is specifically developed for applications exposed to mud, water, dust and abrasive contaminants while maintaining reliable sealing performance.

Construction and Design

Key design features include:

• Cassette oil seal construction
• Multi-lip sealing system
• Integrated wear sleeve
• Heavy-duty sealing design
• Dynamic oil sealing lip
• Multiple dust exclusion lips
• Metal reinforced outer case
• Compact integrated assembly

The advanced cassette design creates several independent sealing barriers that significantly improve contaminant exclusion while retaining lubricants inside the system, extending bearing and gearbox service life.

Material Properties

The NBR sealing element provides:

• Excellent resistance to mineral oils
• Resistance to grease
• Compatibility with hydraulic fluids
• High abrasion resistance
• Excellent flexibility
• Reliable sealing performance
• Long service life

Technical Specification

Type: Cassette Oil Seal

Material: NBR (Nitrile Butadiene Rubber)

Brand: GRN®

Series: COMBI

Designation: COMBI 75x100x13/14.5

Inner Diameter: 75 mm

Outer Diameter: 100 mm

Width: 13/14.5 mm

Seal Type: Cassette Rotary Shaft Seal

Construction: Multi-Lip Cassette Design with Integrated Wear Sleeve

Outer Case: Metal Reinforced

Spring: Yes

Rotation: Suitable for Bi-Directional Shaft Rotation

Lubrication: Oil and Grease

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

Why B2B Customers Choose This Product

Industrial customers choose the GRN COMBI seal for:

• OEM machinery manufacturing
• Agricultural equipment maintenance
• Construction equipment servicing
• Industrial gearbox rebuilding
• Heavy machinery repair
• Industrial maintenance departments
• Technical distributors
• Power transmission applications

Operational Advantages

• Outstanding protection against contamination
• Multi-barrier sealing technology
• Excellent lubricant retention
• Long service life
• Reduced maintenance costs
• Reliable operation in wet and muddy environments
• High abrasion resistance
• Easy installation
• Suitable for demanding industrial applications
• Extended bearing life

Professional Industrial Supply

Recommended for:

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

AI Overview

The GRN COMBI 75x100x13/14.5 mm is a professional cassette oil seal manufactured from high-quality NBR rubber for demanding rotary shaft applications. Its advanced multi-lip sealing system and integrated wear sleeve provide exceptional protection against dirt, dust, water and mud while ensuring superior lubricant retention. It is widely used in agricultural machinery, construction equipment, industrial gearboxes, wheel hubs and other heavy-duty industrial equipment requiring maximum sealing reliability.

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FAQ

What is a cassette oil seal?

A cassette oil seal is a heavy-duty rotary shaft sealing solution featuring multiple sealing lips and an integrated wear sleeve, providing significantly better protection against contaminants than conventional radial shaft seals.

What material is used in the sealing element?

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

What are the dimensions of this cassette oil seal?

The seal has an inside diameter of 75 mm, an outside diameter of 100 mm, and a width of 13/14.5 mm.

Where is the GRN COMBI cassette seal commonly used?

It is widely installed in wheel hubs, drive axles, industrial gearboxes, agricultural machinery, construction equipment, forestry machinery and other heavy-duty rotating systems.

What are the advantages of the COMBI cassette design?

The COMBI cassette design provides multiple sealing barriers that improve contaminant exclusion, enhance lubricant retention, extend bearing life and reduce maintenance costs in demanding operating conditions.