SINOTRUK MAN13 hub bearing 812W93420-6097

Description

The function of the SINOTRUK MAN13 wheel hub bearing 812W93420-6097:

The wheel hub bearing 812W93420-6097 is an important component in the heavy truck axle system, mainly installed at both ends of the axle parts. Its main function is to bear the weight and provide precise guidance for the rotation of the hub. When the truck is in working, the wheel hub bearing unit bears the truck’s own weight, load, and various dynamic loads, and transmits these loads to the wheel shaft and the frame. At the same time, the rollers of the bearing roll between the inner and outer rings, enabling the hub to rotate smoothly around the axle. It bears both axial and radial loads and is one of the key components of the vehicle.

The sealing and lubrication of the hub bearing 812W93420-6097: The bearing sealing device can effectively prevent foreign dust, moisture, etc. from entering the interior of the bearing, while maintaining the lubricating grease inside the bearing from leaking. The lubricating grease in the bearing plays a role in reducing friction, reducing wear, dissipating heat, and preventing rust, ensuring that the bearing maintains good performance over a long period of operation.

The performance of the hub bearing unit 812W93420-6097:

High load-bearing capacity: Heavy-duty truck typically need to carry a large amount of cargo, so the hub bearings must have sufficient load-bearing capacity to withstand the heavy load of the vehicle and various dynamic loads under complex road conditions.

Good durability: During the long-term use of heavy-duty vehicles, the entire chassis system needs to withstand frequent starts and stops, high-speed driving, bumpy roads, etc. Therefore, it requires good durability to maintain stable performance for a long time and reduce the frequency of maintenance and replacement.

High precision and low friction: To ensure the stability and fuel economy of the vehicle, the bearings need to have high hardness, high wear resistance, and good fatigue resistance, capable of withstanding various loads on the hub during vehicle operation, ensuring the stable rotation of the hub and the safe driving of the vehicle.

The features of the hub bearing 812W93420-6097:

After long-term practice and application, the hub bearings combine angular contact ball bearings and tapered roller bearings. It has good assembly performance, a wide range of play adjustment, light weight, compact structure, and large load capacity. Moreover, the design of the bearing unit in conjunction with the anti-lock braking system ABS helps to improve the safety and stability of vehicle driving.

Fault of the wheel hub bearing 812W93420-6097:

1. Abnormal noise from the bearing, usually caused by high-load wear and lack of lubricating grease.
2. Overheating of the bearing, check if the assembly is too tight, or if dust has entered or lubricating grease is lacking.
3. Damage or fracture, using inferior bearings with unqualified materials. Please recognize internationally renowned brands such as SKF, FAG, NSK, etc.

The impact of the hub bearing 812W93420-6097 malfunction:

1. Steering wheel deviation and shaking

The wear of the bearing causes the axis of the hub to shift. During vehicle operation, the steering wheel automatically leans to one side, requiring continuous force to correct the direction. This is particularly dangerous at high speeds.

Excessive bearing clearance or damage to the raceway can cause wheel vibration. The shaking is transmitted through the steering wheel, affecting the driver’s precise control.

2. Abnormal tire wear

Unstable bearing operation changes the tire contact angle, resulting in uneven wear of the tire tread (such as rapid wear on one side of the tire shoulder), wavy wear, or localized bald spots. This shortens the tire lifespan and increases the risk of tire blowout.

Key points for inspection and maintenance of hub bearing 812W93420-6097:

1. Simple inspection method:

Raise the wheel and manually push and pull the tire axially. If the gap exceeds 0.2mm, the bearing needs to be checked.

Listen for abnormal sounds while driving. If the noise changes with the steering wheel rotation direction, it may be a fault of the single-sided bearing.

2. Maintenance points:

When replacing the hub bearing 812W93420-6097, the sealing parts and fasteners (bolts are prone to deformation due to disassembly) should be replaced simultaneously.

After assembly, conduct a road test to confirm there are no abnormal sounds and the ABS signal is normal before delivering it for use.