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Differential oil seals are specially designed for differential seals and are widely used in the transmission systems of cars, trucks and other vehicles.
Differential oil seals are specially designed for differential seals and are widely used in the transmission systems of cars, trucks and other vehicles.

Product
Description

Specification

parameter

Production
Process

type

Application
Scenario

Features

01.

Product
Description

Differential oil seals are specially designed for differential seals and are widely used in the transmission systems of cars, trucks and other vehicles. Its main function is to prevent lubricating oil leakage and prevent external dust, moisture and pollutants from entering the differential to ensure the normal operation of the differential. The sealing performance of the differential oil seal is crucial to the service life and operating stability of the vehicle, so high-quality materials are selected to ensure that the oil seal has excellent durability under high load and high temperature environments.

02.

Specification

Material NBR (nitrile rubber), FKM (fluororubber), HNBR (hydrogenated nitrile rubber), EPDM (propylene rubber), etc.
Color Black, blue, red, etc. (customizable)
Size Customized according to the equipment shaft diameter and installation space requirements, common sizes range from 40mm to 300mm
Temperature range -30℃ to +150℃ (high temperature type can reach +200℃)
Temperature resistance It has good high temperature resistance and can adapt to the high temperature environment inside the differential.
Wear resistance With good wear resistance, suitable for long-term high-speed operation
Customized Design Customize size, material, sealing design, etc. according to customer needs
03.

parameter

Inner diameter range

Customized according to the differential shaft diameter, common inner diameter range is 40mm to 300mm

Outer diameter range

Designed according to differential housing or installation position

Thickness range

Common thickness is 5mm to 15mm, customization is supported

Operating temperature

-30℃ to +150℃ (high temperature type can reach +200℃)

Applicable media

Gear oil, lubricating oil, etc.

Rotation speed

Suitable for medium and low speed rotation, up to 10m/s

Pressure resistance

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

04.

Production
Process

Metal frame manufacturing

Select appropriate metal materials to manufacture the oil seal frame, ensuring the strength and stability of the frame so that it can fit closely with the differential seal groove.

Rubber molding

According to the design requirements of the differential oil seal, select suitable rubber materials (such as NBR, FKM, etc.) for molding to ensure the elasticity and oil resistance of the sealing lip.

Vulcanization

The vulcanization process is used to improve the high temperature resistance, wear resistance and aging resistance of the rubber, ensuring stability in long-term use.

Finishing and assembly

The oil seal lip and inner and outer mounting surfaces are precision machined to ensure the sealing effect and accuracy.

Quality Inspection

Each oil seal is rigorously tested for high temperature resistance, sealing performance, wear resistance, etc. to ensure compliance with standards.

Packaging and delivery

The oil seals are packed after cleaning to ensure safety during transportation.

Standard differential oil seal

Suitable for the sealing needs of conventional automobile differentials, with excellent sealing performance

High temperature differential oil seal

Suitable for use in high temperature environments, using high temperature resistant materials to adapt to the high temperature working environment of the differential

Double lip differential oil seal

The double sealing lip design provides a stronger sealing effect to prevent oil leakage and contaminants from entering.

Customized differential oil seal

Customized according to different differential types, sizes and working environments to meet individual needs

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

Excellent sealing

The design of the differential oil seal ensures that the oil does not leak and effectively prevents external pollutants from entering the differential.

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

Strong oil resistance

Excellent oil resistance, able to withstand lubricating oil and gear oil inside the differential

Lips design

Some models are designed with double lip seals to improve sealing performance and enhance dust and water resistance

Resistance to aging

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

Widely applicable

Applicable to all kinds of differentials and drive systems, with strong adaptability and versatility

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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