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The rear wheel bearing is a cornerstone of your truck’s drivetrain, and the OEM number 32222+30222 identifies the premium-grade component engineered specifically for SINOTRUK HOWO heavy-duty vehicles. As a trusted supplier of Sinotruk howo parts, Deruna offers this critical chassis component that meets strict factory specifications. The 32222+30222 rear wheel bearing is designed to handle extreme radial and axial loads, ensuring reliable wheel rotation and axle support in the toughest conditions. Whether you operate in long-haul logistics, mining, or construction, this bearing delivers the durability and precision required to keep your fleet moving.
OEM direct replacement – no modification needed | Engineered for SINOTRUK HOWO axle assemblies
Rear Wheel Bearing
Задний ступичный подшипник
Rodamiento de rueda trasera
The 32222+30222 rear wheel bearing is a high-performance chassis component that ensures smooth and stable wheel rotation for SINOTRUK HOWO trucks. This bearing is manufactured using advanced forging and machining techniques, resulting in a product that offers superior strength, wear resistance, and dimensional accuracy. The 32222+30222 bearing is specifically designed to accommodate the heavy loads and high-speed operation typical of modern commercial vehicles.
With its optimized internal geometry and high-quality steel, the 32222+30222 bearing reduces friction and heat generation, contributing to improved fuel efficiency and extended component life. This part is a direct replacement for the original equipment bearing, ensuring a perfect fit without the need for additional spacers or modifications.
Every 32222+30222 bearing undergoes stringent quality inspections, including dimensional checks, hardness testing, and noise/vibration evaluation, to guarantee consistent performance in the field. Choose the genuine 32222+30222 bearing for peace of mind and maximum uptime.
| OEM Number | 32222+30222 |
| Part Name | Rear Wheel Bearing (Tapered Roller) |
| Brand | SINOTRUK HOWO |
| Component Category | Chassis / Axle Bearing |
| Material | High-carbon chromium bearing steel (G20CrNiMo / equivalent) |
| Weight (approx.) | 9.2 kg (20.3 lbs) |
| Inner Diameter (d) | 120 mm |
| Outer Diameter (D) | 215 mm |
| Width (B) | 70 mm |
| Dynamic Load Rating (Cr) | ≥ 210 kN |
| Static Load Rating (Cor) | ≥ 240 kN |
| Operating Temperature Range | -40°C to +125°C |
| Sealing Type | Integrated double-lip rubber seal |
| Lubrication | High-performance EP grease (pre-filled) |
| Compatible Models | SINOTRUK HOWO A7, T7, 6×4, 8×4, and most heavy-duty variants |
All values are based on OEM specifications for the 32222+30222 bearing. Minor deviations may occur due to manufacturing tolerances.
The 32222+30222 is forged from vacuum-degassed, high-purity steel, providing exceptional fatigue strength and impact resistance.
The double-lip seal of the 32222+30222 bearing effectively blocks contaminants while retaining grease, significantly extending maintenance intervals.
Precision-ground rollers and raceways in the 32222+30222 bearing reduce friction, enabling cooler operation and improved fuel economy.
With its robust construction and superior materials, the 32222+30222 bearing delivers up to 30% longer life compared to standard aftermarket alternatives.
The 32222+30222 is manufactured to tight tolerances, ensuring seamless installation and proper preload without shimming.
The 32222+30222 bearing performs consistently in extreme temperatures, from Arctic cold to desert heat, without loss of lubrication.
The aftermarket is flooded with counterfeit and low-quality bearings that can compromise safety and lead to premature axle failure. The genuine 32222+30222 rear wheel bearing is engineered and tested to the exacting standards of SINOTRUK HOWO, ensuring that your vehicle operates at peak efficiency.
Key advantages of using the authentic 32222+30222 bearing include:
When you order the 32222+30222 rear wheel bearing from Deruna, you receive a product that has been carefully sourced and inspected to ensure it meets the highest standards of quality and authenticity.
Correct installation is critical to the performance and longevity of your 32222+30222 rear wheel bearing. Follow these best practices to avoid common mistakes:
Always use a hydraulic press and bearing adapters to install the 32222+30222 bearing. Never hammer directly on the bearing.
Coat the bearing surfaces with a thin film of high-quality wheel bearing grease before fitting the 32222+30222 bearing to reduce initial wear.
Use a calibrated torque wrench to tighten the axle nut to the factory-recommended value for the 32222+30222 bearing.
Check the 32222+30222 bearing for noise, play, or grease leakage during each service interval. Replace immediately if any issues are found.
Remember to always consult the SINOTRUK HOWO workshop manual for detailed torque values and step-by-step instructions specific to the 32222+30222 bearing installation.
The 32222+30222 rear wheel bearing is compatible with a broad range of SINOTRUK HOWO heavy-duty trucks, including but not limited to:
If your vehicle model is not listed, please cross-reference your original bearing part number with 32222+30222. In most cases, this bearing is a direct replacement for all SINOTRUK HOWO trucks equipped with standard rear axle assemblies.
The 32222+30222 rear wheel bearing is a vital component that directly affects the safety, efficiency, and operating costs of your SINOTRUK HOWO truck. By choosing the genuine OEM bearing, you ensure that your vehicle receives the exact engineering and quality that it was designed for.
From its superior steel composition and precise roller geometry to its robust sealing and high load capacity, the 32222+30222 bearing outperforms generic alternatives in every metric. It reduces friction, minimizes heat build-up, and extends the life of your axle assembly – ultimately translating to fewer breakdowns and lower maintenance expenses.
As a dedicated supplier of Sinotruk howo parts, Deruna takes pride in offering only authentic, high-quality components like the 32222+30222 bearing. Our commitment to excellence ensures that every part we deliver meets the rigorous demands of the heavy-duty trucking industry.
Equip your SINOTRUK HOWO with the genuine 32222+30222 rear wheel bearing – engineered for durability, built for performance, and backed by trust.
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