Request a Quote
certificate
Leave Your Message
Products Categories
Featured Products
Qd bushing taper lock split bearing bush XTB bushings

Qd bushing taper lock split bearing bush XTB bu...
Taper Type W-Wa Weld-on Hubs

Taper Type W-Wa Weld-on Hubs
High quality power transmission parts welded hubs

High quality power transmission parts welded hubs
power transmission set screw flexible threaded split rigid coupling

power transmission set screw flexible threaded ...
BUSHED TYPE SLEEVE COUPLINGS

BUSHED TYPE SLEEVE COUPLINGS
HIGH QUALITY OF XTB BUSHING XTB15 STEEL BUSHING

HIGH QUALITY OF XTB BUSHING XTB15 STEEL BUSHING
Taper lock bushing of 1008~5050UNC

Taper lock bushing of 1008~5050UNC
High Quality American Standard qd bushing

High Quality American Standard qd bushing
BKH & 2BKH (A-B & 4L-5L V-BELTS)

BKH & 2BKH (A-B & 4L-5L V-BELTS)
BK 2 groove or single pully wheel V belt pulley cast iron sheaves

BK 2 groove or single pully wheel V belt pulley...
0102030405
BUSHING
QD BUSHING
BUSHING
QD BUSHING

China XTB Bushings Suppliers - QD Taper Lock Split Bearing Bush for Wheel Hubs Factory

The wheel hub is an essential cylindrical metal component, centrally mounted on an axle to support tires effectively. Commonly referred to as rims, steel rims, wheels, and tire bells, these components come in various types based on diameter, width, molding method, and material. As a leading player among China suppliers, our factory specializes in producing high-quality wheel hubs that meet diverse automotive needs. Explore our range for robust and reliable solutions in wheel hub manufacturing
    Contact us
    Product Detail

    ⚙️
    What is a Wheel Hub?

    The wheel hub is a cylindrical metal component that is centrally mounted on an axle and supports the tire. Also called rims, steel rims, wheels, and tire bells. There are many types of wheel hubs depending on diameter, width, molding method, and material.

    📈
    Evolution of Wheel Hub Bearings

    In the past, most car wheel hub bearings used single-row tapered roller or ball bearings in pairs. With the development of technology, car wheel hub units have been widely used in cars. The scope and usage of wheel hub bearing units are growing day by day, and it has developed to the third generation:

    First Generation: Composed of double row angular contact bearings.
    Second Generation: Features a flange on the outer raceway for fixing the bearing. The bearing can be simply put on the axle and fixed with nuts, making car maintenance easier.
    Third Generation: Uses a bearing unit and an anti-lock brake system (ABS). The hub unit is designed with an inner flange (fixed on the drive shaft with bolts) and an outer flange (installs the entire bearing together).
    🛠️
    Manufacturing Methods for Aluminum Alloy Wheels

    There are three primary manufacturing methods for aluminum alloy wheels:

    1. Gravity Casting: Uses gravity to pour the aluminum alloy solution into the mold. It is processed and polished by a lathe. While the process is simple and cost-effective with high efficiency, it is prone to bubbles, uneven density, and insufficient surface smoothness.
    2. Forging Method: A whole aluminum ingot is directly extruded on the mold by a thousand-ton press. Advantages include uniform density, smooth surface, thin walls, light weight, and the highest material strength (30% higher than casting). However, manufacturing costs are high due to sophisticated equipment and a lower yield rate (50%-60%).
    3. Low-Pressure Precision Casting: Precision casting under low pressure (0.1Mpa). This provides good formability, clear outlines, uniform density, and a smooth surface. It achieves high strength and lightweight while controlling costs with a yield rate over 90%, making it the mainstream method for high-quality wheels.
    Wheel Hub Component
    Frequently Asked Questions
    Q1: What are other common names for a wheel hub?

    Wheel hubs are also commonly referred to as rims, steel rims, wheels, and tire bells.

    Q2: How has wheel hub bearing technology evolved?

    It has evolved from single-row tapered roller bearings to three generations of hub units, with the latest integrating ABS systems and specialized flanges for easier installation.

    Q3: What are the main advantages of forged wheels?

    Forged wheels offer the highest material strength, uniform density, a delicate surface finish, and are lighter and thinner than cast wheels.

    Q4: Why is low-pressure precision casting considered the mainstream method?

    Because it balances high strength and lightweight design with cost-effective production and a high yield rate of over 90%.

    Q5: What are the drawbacks of gravity casting?

    Gravity casting is prone to internal bubbles (blastic holes), uneven material density, and a lack of surface smoothness compared to other methods.

    Q6: What makes the third-generation hub unit different?

    The third generation integrates the bearing unit with the anti-lock brake system (ABS) and features dual flanges for secure mounting to both the drive shaft and the wheel assembly.