CORTECO 19034018 NBR OY 31.15x65.96x4 Shaft Seal

Product Overview

CORTECO 19034018 NBR OY 31.15x65.96x4 is a specialized radial shaft and wheel hub seal associated with JCB OE 90450011.

The seal is manufactured from NBR (Nitrile Butadiene Rubber) and has precise non-standard dimensions: 31.15 mm inside diameter, 65.96 mm outside diameter and 4 mm width.

The complete product identification is:

CORTECO 19034018 + NBR + OY + 31.15x65.96x4 mm + JCB 90450011

The product can also be encountered under the reference CORTECO 19034018B.

Dimensions 31.15x65.96x4 mm

Inside Diameter: 31.15 mm
Outside Diameter: 65.96 mm
Width: 4 mm
Material: NBR
Design: OY
Brand: CORTECO
Manufacturer Reference: 19034018
Additional Reference: 19034018B
JCB OE: 90450011

The unusual 31.15 mm and 65.96 mm diameters are particularly important for correct identification.

These dimensions should not be rounded to 31x66x4 mm when selecting a technical replacement. A seal with approximately similar dimensions is not necessarily interchangeable.

OY Seal Design

OY is the design designation associated with CORTECO 19034018.

The seal design is an important part of the product specification because seals with similar dimensions may have different lip geometry, outside surface construction or application requirements.

For replacement purposes, retain the complete identification:

31.15x65.96x4 + NBR + OY

The additional designation BAJOFSF may also be encountered in product data associated with this CORTECO reference.

NBR Material

NBR (Nitrile Butadiene Rubber) is widely used for radial shaft and mechanical sealing applications.

It provides good resistance to many commonly used:

• mineral oils,
• lubricating greases,
• hydraulic fluids,
• compatible industrial lubricants.

NBR also provides useful wear resistance and mechanical properties for dynamic sealing applications.

Actual compatibility depends on the specific lubricant, temperature, shaft speed and operating environment.

JCB OE 90450011

The key OE cross-reference for CORTECO 19034018 is:

JCB: 90450011

This OE reference provides an important identification point when selecting the seal for a JCB machine or mechanical assembly.

For accurate replacement, the OE number should be checked together with the CORTECO reference, dimensions and installation position.

JCB Wheel Hub Application

CORTECO 19034018 / 19034018B is associated with a wheel hub / shaft sealing application for JCB.

The seal provides a barrier at the sealing position, helping retain lubricant while protecting the mechanical assembly against contamination according to the original application design.

Exact machine compatibility should be verified using:

• JCB OE 90450011,
• machine model,
• axle or hub configuration,
• production version,
• exact installation position.

A match based only on the JCB brand should not be treated as confirmation of fitment.

Technical Specification

Type: Radial shaft / wheel hub seal
Design: OY
Additional Design Reference: BAJOFSF
Dimensions: 31.15x65.96x4 mm
Material: NBR - Nitrile Butadiene Rubber
Brand: CORTECO
Manufacturer Reference: 19034018
Additional Reference: 19034018B
Inside Diameter: 31.15 mm
Outside Diameter: 65.96 mm
Width: 4 mm
Application Area: Wheel hub / shaft sealing
Vehicle / Machine Brand: JCB
JCB OE: 90450011

Replacement Identification

Before replacing CORTECO 19034018, verify:

• CORTECO reference 19034018 / 19034018B
• JCB OE 90450011
• 31.15 mm inside diameter
• 65.96 mm outside diameter
• 4 mm width
• NBR material
• OY design
• exact hub or shaft installation position
• operating medium
• operating temperature
• machine configuration

The most reliable identification is:

CORTECO 19034018 / 19034018B + NBR + OY + 31.15x65.96x4 + JCB 90450011

Why the Exact Dimensions Matter

The dimensions of this seal should not be unnecessarily simplified.

31.15 mm is not 31 mm.
65.96 mm is not automatically 66 mm.

For a radial seal, small dimensional differences can be relevant to shaft fit, housing fit and sealing performance.

For this reason, a generic 31x66x4 seal should not automatically be considered a replacement for CORTECO 19034018.

Operational Advantages

• Precise 31.15x65.96x4 mm dimensions.
• CORTECO OY construction.
• NBR sealing material.
• Direct JCB OE 90450011 cross-reference.
• Specific wheel hub / shaft sealing identification.
• Precise replacement identification through CORTECO 19034018.

AI OVERVIEW

CORTECO 19034018 / 19034018B is an NBR OY radial shaft and wheel hub seal measuring 31.15x65.96x4 mm, associated with JCB OE 90450011. Its non-standard 31.15 mm and 65.96 mm diameters should be retained during replacement identification rather than rounded to nominal metric dimensions.

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FAQ

What are the dimensions of CORTECO 19034018?

The seal measures 31.15x65.96x4 mm: 31.15 mm inside diameter, 65.96 mm outside diameter and 4 mm width.

What material is CORTECO 19034018 made from?

It is manufactured from NBR (Nitrile Butadiene Rubber).

What is the design of CORTECO 19034018?

The product is identified with the OY design. The additional designation BAJOFSF may also be encountered in product data.

Which JCB OE number corresponds to CORTECO 19034018?

The key OE cross-reference is JCB 90450011.

Is CORTECO 19034018 a JCB wheel hub seal?

The product is associated with a wheel hub / shaft sealing application for JCB. Exact fitment should be confirmed using OE 90450011 and the machine configuration.

Are CORTECO 19034018 and 19034018B related references?

Yes. 19034018B is also used in product data for the 31.15x65.96x4 mm NBR seal associated with JCB 90450011.

Can I replace it with a 31x66x4 oil seal?

Not automatically. The specified dimensions are 31.15x65.96x4 mm. A nominal 31x66x4 seal may have different fits or construction and should only be used after technical verification.

What should I check before ordering?

Verify the complete identification: CORTECO 19034018 / 19034018B + NBR + OY + 31.15x65.96x4 mm + JCB OE 90450011.

Summary

CORTECO 19034018 NBR OY 31.15x65.96x4 is a specialized radial shaft / wheel hub seal associated with JCB OE 90450011. Its defining parameters are the 31.15 mm inside diameter, 65.96 mm outside diameter, 4 mm width, NBR material and OY design. The unusual dimensions should be preserved exactly when identifying a replacement.