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Cassette oil seals are a kind of sealing product with a special appearance design, mainly composed of a metal shell and a rubber sealing lip.
Cassette oil seals are a kind of sealing product with a special appearance design, mainly composed of a metal shell and a rubber sealing lip.

Product
Description

Specification

parameter

Production
Process

type

Application
Scenario

Features

01.

Product
Description

Cassette oil seals are a kind of sealing product with a special appearance design, mainly composed of a metal shell and a rubber sealing lip. Its shell is a box-shaped structure with strong pressure resistance and tensile strength. It can effectively cooperate with the equipment shell and provide excellent sealing effect. Cassette oil seals are commonly used in heavy machinery, automobiles, engineering equipment and other fields. They are widely used in bearings, gearboxes, differentials and other parts. They can effectively prevent lubricating oil leakage and prevent external pollutants from entering the equipment. Due to its unique structure, cassette oil seals perform well in high pressure, high temperature and harsh working environments.

02.

Specification

Material NBR (nitrile rubber), FKM (fluororubber), HNBR (hydrogenated nitrile rubber), EPDM (propylene rubber), PTFE (polytetrafluoroethylene), etc.
Color Black, blue, red, etc. (customizable)
Size Customized according to the equipment shaft diameter and installation space requirements, common sizes range from 20mm to 500mm
Temperature range -40℃ to +150℃ (high temperature type can reach +200℃)
Temperature resistance Good high temperature resistance, suitable for high temperature working environment
Wear resistance Excellent wear resistance, suitable for long-term high-speed operation
Customized Design Customize size, material, installation form, etc. according to customer needs
03.

parameter

Inner diameter range

Customized according to the equipment shaft diameter, common inner diameter range is 20mm to 500mm

Outer diameter range

Designed according to the equipment housing or installation location

Thickness range

Common thickness is 5mm to 20mm, customization is supported

Operating temperature

-40℃ to +150℃ (high temperature type can reach +200℃)

Applicable media

Lubricating oil, gear oil, hydraulic oil, etc.

Rotation speed

Suitable for medium and low speed rotation, up to 12m/s

Pressure resistance

The pressure resistance is usually 1MPa to 3MPa, which can be customized according to the requirements.

04.

Production
Process

Metal casing manufacturing

High-strength steel or other alloy metal materials are used to form a box-type structure through stamping, stretching and other processes to ensure its strength and stability.

Rubber molding

Select high-quality rubber materials (such as NBR, FKM, etc.) and form the rubber sealing lip through injection molding, pressing and other processes.

Vulcanization

The rubber sealing part is vulcanized to improve its resistance to high temperature, oil, wear and aging.

Finishing and assembly

The metal shell and the rubber sealing lip are precisely combined to ensure the overall sealing effect of the oil seal.

Quality Inspection

Each product is rigorously tested, including high temperature resistance, sealing performance, pressure resistance, etc., to ensure compliance with standards.

Packaging and delivery

The product is well packaged to ensure safety during transportation.

Standard cassette oil seal

Applicable to the sealing needs of conventional equipment, providing basic sealing effect and durability

High temperature box oil seal

Made of high temperature resistant materials, suitable for high temperature working environment

Double lip box oil seal

Designed with double sealing lips to enhance sealing effect and prevent oil leakage and external contaminants from entering

Customized Cassette Oil Seal

Customize size, material, sealing lip design, etc. according to customer needs to meet special working conditions

type

06.

Application
Scenario

Automotive Industry

Used for sealing of automobile drive shafts, wheels, differentials and other parts to prevent oil leakage and protect internal systems

Industrial Equipment

Such as the sealing of gear boxes, hydraulic pumps, compressors and other equipment to ensure that lubricating oil does not leak

Engineering Machinery

Such as drive shaft seals for excavators, bulldozers and other equipment to protect transmission systems and bearings

Shipping industry

Used for ship gearbox and transmission shaft seals to retain oil and prevent external pollutants from entering

Agricultural machinery

Sealing systems for equipment such as tractors and harvesters

Mining machinery

Such as the sealing of mining vehicles and mining equipment to ensure the normal operation of the equipment

07.

Features

Strong structure

The cassette oil seal has a metal shell, which enhances the pressure resistance and tensile strength of the oil seal and can maintain stable sealing performance in high-load working environments.

Excellent sealing

Can effectively prevent oil leakage and prevent external pollutants from entering the equipment

High temperature resistance

Suitable for high temperature environment, keeping the differential system running normally under high load

Strong wear resistance

Made of high-performance rubber material, it has strong wear resistance and extends service life

Resistance to aging

It has strong anti-aging performance, adapts to long-term operation, and reduces failures and maintenance.

Easy installation

The design of the cassette oil seal simplifies the installation process and provides a more convenient installation method.

Widely applicable

Applicable to a variety of devices and industries, with high versatility and adaptability

After-sales guarantee

1

 / 

7

Service response speed
Technical Support and Guidance
Product Repair and Replacement
Spare Parts Supply
Regular Inspections and Maintenance
Customer Training and Education
Global After-Sales Service Network
We promise to respond quickly within 24 hours after customers submit after-sales service requests. Whether it is product failure, technical consultation or quality issues, customers can get timely support from our team. The after-sales service platform we provide supports 24-hour communication, ensuring that customers can get in touch with us at any time.
We provide comprehensive technical support, including product installation, debugging, operation training, and troubleshooting. Our experienced team offers professional advice and solutions to ensure optimal product performance. For complex issues, we also provide remote diagnostics and on-site support.
For products within the warranty period or those with quality issues, we offer free repair or replacement services. Our repair services include fault diagnosis, part replacement, and system debugging to restore the product's original performance and minimize downtime.
We offer a full range of spare parts to ensure any component damage is promptly addressed. All parts meet factory standards and undergo strict quality testing to guarantee high quality and long-term stability.
We provide scheduled inspections and maintenance services based on customer needs. This includes performance assessments, component checks, seal inspections, and maintenance recommendations to prevent downtime and ensure optimal product performance.
To ensure efficient operation and maintenance, we offer professional training services. The training covers proper product use, daily maintenance, and handling common issues. We also provide regular workshops and online educational resources to help customers improve efficiency and reduce maintenance costs.
We have after-sales service centers in multiple countries and regions to meet the needs of customers worldwide. Our international service network offers local support, efficient logistics, and technical consultation to ensure seamless product integration and timely response globally.

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