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type
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Product
Description
The automobile wheel hub bearing is a key component connecting the wheel and the vehicle chassis. It is mainly responsible for supporting the rotation of the wheel and bearing the impact force from the road and the weight of the vehicle. It not only provides smooth wheel rotation, but also effectively reduces friction and noise, and improves the stability and safety of the vehicle. Modern automobile wheel hub bearings are usually an integrated design, including inner and outer rings, balls or rollers, cages, etc., and most of them adopt a sealed design to prevent external pollutants from entering and extend the service life.
Specification
| Material | High carbon steel, alloy steel, stainless steel, etc. Some high-performance models use ceramic materials. |
| Size | Depending on the type of car and wheel specifications, common inner and outer diameter sizes include 20mm, 30mm, 100mm, etc., with high precision. |
| Sealing | Most modern automotive wheel bearings are sealed to prevent the ingress of external contaminants such as moisture and dust. |
Production
Process
Material selection
Choose high-strength steel or alloy materials to ensure the durability, wear resistance and high load-bearing performance of the wheel hub bearing.
Raw material processing
Through forging and rolling processes, the raw materials are processed into inner and outer rings, balls or rollers and cages.
Heat Treatment
Heat treatment is performed to increase the hardness and wear resistance of the bearings, ensuring they can withstand heavy loads and high temperature working environments for a long time.
Precision machining
Inner and outer rings, balls/rollers and other parts are processed by turning, grinding, polishing and other processes to ensure that the accuracy and surface quality meet the standards.
Assembly
Precision assembly of inner and outer rings, balls or rollers and cages ensures good fit, reduces friction and improves efficiency.
Sealing
Install the sealing ring on the sealed wheel hub bearing to effectively prevent external dirt and moisture from entering the bearing and avoid damage.
Quality Inspection
A series of quality tests are carried out, including dimensional accuracy, load capacity, durability, noise testing, etc., to ensure that the wheel hub bearings meet strict standard requirements.
Packaging and delivery
After passing the test, the automobile wheel hub bearings will be cleaned, lubricated and packed ready for shipment.
Single row automobile wheel hub bearings
Commonly used in light cars and small commercial vehicles, it has moderate load-bearing capacity and meets daily driving needs.
Double row automobile wheel hub bearings
Suitable for large trucks, heavy commercial vehicles, etc., with strong carrying capacity and able to handle larger loads.
Wheel bearing with ABS sensor
Integrated ABS sensor for anti-lock braking system in modern cars to ensure safe operation of the braking system.
Sealed wheel bearings
Equipped with a sealing ring, it is suitable for complex road conditions and harsh environments to prevent dust and moisture from intruding.
type
Application
Scenario
Used for sealing of automobile drive shafts, wheels, differentials and other parts to prevent oil leakage and protect internal systems
Such as the sealing of gear boxes, hydraulic pumps, compressors and other equipment to ensure that lubricating oil does not leak
Such as drive shaft seals for excavators, bulldozers and other equipment to protect transmission systems and bearings
Used for ship gearbox and transmission shaft seals to retain oil and prevent external pollutants from entering
Sealing systems for equipment such as tractors and harvesters
Such as the sealing of mining vehicles and mining equipment to ensure the normal operation of the equipment
Features
Through precision design, automotive wheel hub bearings can withstand larger radial and axial loads to meet the needs of different vehicles.
Through optimized design and use of high-quality materials, the friction coefficient is reduced, and fuel efficiency and driving stability are improved.
Precision processing ensures the low noise performance of the wheel hub bearing, providing the driver with a quieter in-car environment.
The sealing design prevents contaminants such as moisture, dust, and sand from entering the bearing, extending its service life.
The design of integrated ABS sensor can improve the response speed of the braking system and enhance driving safety.
Through high-strength materials and precision processing, the wheel hub bearings have a long service life and reduce the frequency of maintenance and replacement.
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