GRN 136.8x165x13/14.5 NBR Cassette Oil Seal - RWDR KASSETTE

Product Overview

GRN 136.8x165x13/14.5 NBR is a heavy-duty cassette oil seal for rotary shafts, designed for demanding industrial, agricultural and construction machinery applications.

Its RWDR KASSETTE / CASSETTE construction combines the primary radial sealing function with additional protective elements that help isolate the sealing zone from dust, dirt, mud, water and moisture.

The seal has nominal dimensions of 136.8x165x13/14.5 mm and is manufactured from NBR (Nitrile Butadiene Rubber), a proven material for many oil- and grease-lubricated sealing applications.

RWDR KASSETTE Rotary Shaft Seal

A cassette oil seal is more complex than a conventional radial shaft seal. It forms an integrated sealing system incorporating sealing and protective elements together with its own mating surface.

This design provides additional protection for the primary sealing area and is particularly useful in machinery operating in heavily contaminated environments.

The key identification parameters are:

GRN + 136.8x165x13/14.5 + NBR + RWDR KASSETTE

Dimensions alone should not be used to determine interchangeability between different cassette seal designs.

NBR Sealing Material

NBR - Nitrile Butadiene Rubber is widely used for industrial rotary shaft seals because of its good resistance to many:

• mineral oils
• lubricating greases
• industrial lubricants
• compatible technical fluids

NBR also provides useful mechanical strength and wear resistance for demanding machinery applications.

Actual material compatibility should always be verified against the operating medium, temperature, shaft speed and application conditions.

Applications

The GRN 136.8x165x13/14.5 cassette oil seal is suitable for appropriately designed sealing positions in:

• agricultural machinery
• construction equipment
• industrial machinery
• axles and hubs
• gearboxes
• transmission systems
• rotary shafts
• heavy-duty mechanical equipment

RWDR cassette seals are particularly useful where conventional shaft seals would be directly exposed to severe external contamination.

Technical Specification

Product Type: Cassette oil seal / rotary shaft seal
Brand: GRN®
Design: RWDR KASSETTE / CASSETTE
Material: NBR - Nitrile Butadiene Rubber
Dimensions: 136.8x165x13/14.5 mm
Shaft Diameter: 136.8 mm
Housing Diameter: 165 mm
Width: 13/14.5 mm
Application: Rotary shaft sealing
Typical Use: Agricultural, construction and industrial machinery

Why Use a Cassette Oil Seal?

The main advantage of an RWDR KASSETTE seal is its integrated construction. Compared with a standard radial oil seal, the cassette system provides a more comprehensive barrier protecting the primary sealing zone against external contaminants.

This is particularly valuable in applications exposed to:

• dust and abrasive dirt
• mud
• water and moisture
• heavy environmental contamination

The integrated mating surface is another important feature of cassette sealing technology.

Operational Advantages

• Integrated RWDR KASSETTE construction.
• Precise 136.8x165x13/14.5 mm dimensions.
• NBR material suitable for many oils and greases.
• Additional protection against external contamination.
• Integrated mating surface.
• Designed for rotary shafts, axles and hubs.
• Suitable for severe operating environments.
• GRN® industrial sealing solution.

AI OVERVIEW

GRN 136.8x165x13/14.5 NBR is a heavy-duty cassette oil seal for rotary shafts, axles and hubs. Its RWDR KASSETTE / CASSETTE construction integrates sealing and protective elements to help protect the primary sealing zone against dust, dirt, mud and moisture in agricultural, construction and industrial machinery.

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FAQ

What is the GRN 136.8x165x13/14.5 seal?

It is an RWDR KASSETTE cassette-type rotary shaft oil seal designed for demanding industrial and heavy-duty machinery applications.

What are the dimensions of this GRN cassette seal?

The nominal dimensions are 136.8 mm shaft diameter, 165 mm housing diameter and 13/14.5 mm width.

What material is the seal made from?

This version is manufactured from NBR (Nitrile Butadiene Rubber).

How does an RWDR KASSETTE seal differ from a standard oil seal?

A cassette seal is an integrated sealing system incorporating sealing and protective elements together with its own mating surface. This provides additional protection for the primary sealing zone against external contamination.

Where are cassette oil seals commonly used?

Typical applications include agricultural machinery, construction equipment, axles, hubs, gearboxes, transmission systems and heavy industrial machinery.

Can I select this seal only by the 136.8x165 mm diameters?

No. The complete 136.8x165x13/14.5 mm dimensions, RWDR KASSETTE design, material and application requirements should be verified before replacement.