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When it comes to heavy-duty truck maintenance, the rear wheel bearing is a critical component that ensures smooth and safe operation. The OEM number 33220+33022 represents the premium-grade rear wheel bearing designed specifically for SINOTRUK HOWO trucks. As a leading provider of Sinotruk howo parts, Deruna offers this high-quality chassis component that meets or exceeds original equipment specifications. The 33220+33022 rear wheel bearing is engineered to withstand extreme loads and harsh operating conditions, making it an essential replacement part for fleet maintenance and repair operations.
Direct OEM replacement – no modifications required | Engineered for SINOTRUK HOWO heavy-duty trucks
Rear Wheel Bearing
Задний ступичный подшипник
Rodamiento de rueda trasera
The 33220+33022 rear wheel bearing is a precision-engineered chassis component that plays a pivotal role in the drivetrain and suspension system of SINOTRUK HOWO heavy-duty trucks. This bearing supports the rear axle hub, enabling smooth wheel rotation while withstanding radial and axial loads generated during hauling and off-road operations. Manufactured from high-grade alloy steel, the 33220+33022 bearing undergoes rigorous heat treatment and grinding processes to achieve exceptional hardness, dimensional accuracy, and fatigue resistance.
Designed as a direct replacement for the original part, this rear wheel bearing eliminates the need for any modifications during installation. Its robust construction ensures long service life even under the most demanding conditions, including long-haul transportation, construction site duty, and mining applications. The 33220+33022 part number is widely recognized in the aftermarket as the benchmark for quality and reliability in the SINOTRUK HOWO chassis system.
Whether you are a fleet manager, an independent workshop, or a parts distributor, choosing the genuine 33220+33022 rear wheel bearing ensures that your trucks remain operational with minimal downtime. This component is backed by rigorous quality control and is tested to meet the strictest industry standards.
| OEM Number | 33220+33022 |
| Part Name | Rear Wheel Bearing |
| Brand | SINOTRUK HOWO |
| Component Type | Chassis / Driveline Bearing |
| Material | High-quality alloy steel (SAE 52100 / equivalent) |
| Weight | Approx. 8.5 kg (18.7 lbs) |
| Inner Diameter (d) | 130 mm |
| Outer Diameter (D) | 220 mm |
| Width (B) | 75 mm |
| Dynamic Load Rating (Cr) | ≥ 185 kN |
| Static Load Rating (Cor) | ≥ 210 kN |
| Operating Temperature Range | -40°C to +120°C |
| Sealing Type | Double-lip contact seal (integrated) |
| Lubrication | High-temperature lithium grease (pre-filled) |
| Application | SINOTRUK HOWO series (A7, T7, 6×4, 8×4, and compatible models) |
All specifications are verified against OEM standards for the 33220+33022 rear wheel bearing. Minor variations may occur due to manufacturing tolerances.
The 33220+33022 bearing is forged from high-grade SAE 52100 bearing steel, offering superior hardness, wear resistance, and dimensional stability under heavy loads.
Integrated seals effectively prevent contamination from dirt, water, and debris while retaining lubricant, extending the service life of the 33220+33022 bearing.
Engineered to handle extreme radial and axial forces, the 33220+33022 bearing supports heavy payloads and rough terrain without compromising performance.
The advanced design of the 33220+33022 rear wheel bearing reduces friction and heat generation, resulting in longer maintenance intervals and lower total cost of ownership.
State-of-the-art grinding technology ensures smooth raceway surfaces, minimizing vibration and noise for a quieter, more comfortable ride.
The 33220+33022 bearing operates reliably in extreme climates, from freezing cold to scorching heat, ensuring consistent performance year-round.
In the heavy-duty truck industry, using substandard or counterfeit bearings can lead to catastrophic failures, unplanned downtime, and expensive repairs. The genuine 33220+33022 rear wheel bearing from SINOTRUK HOWO is manufactured to the exacting standards of the original equipment, ensuring perfect fit, optimal performance, and maximum durability.
When you choose the 33220+33022 bearing, you benefit from:
By sourcing your 33220+33022 rear wheel bearing from a trusted supplier like Deruna, you gain peace of mind knowing that every component meets the highest standards of quality and performance.
Proper installation and regular maintenance are essential to maximize the service life of your 33220+33022 rear wheel bearing. Follow these guidelines to ensure optimal performance:
Always use a hydraulic press or bearing installer to fit the 33220+33022 bearing. Never strike the bearing directly with a hammer, as this can cause brinelling and premature failure.
Before installation, apply a thin layer of high-quality wheel bearing grease to the mating surfaces of the 33220+33022 bearing to reduce initial wear and prevent corrosion.
Tighten the axle nut to the manufacturer’s specified torque for the 33220+33022 bearing. Over-tightening can cause excessive preload, while under-tightening leads to play and vibration.
During routine maintenance, check the 33220+33022 bearing for signs of wear, noise, or play. Replace immediately if any abnormalities are detected to avoid further damage.
Proper care of your 33220+33022 rear wheel bearing not only extends its lifespan but also enhances the safety and efficiency of your entire vehicle. Always refer to the SINOTRUK HOWO service manual for detailed installation procedures and torque specifications.
The 33220+33022 rear wheel bearing is engineered to fit a wide range of SINOTRUK HOWO heavy-duty trucks. It is a direct replacement for the original bearing in the following models:
For vehicles outside this list, we recommend cross-referencing your original part number with 33220+33022 to confirm compatibility. In most cases, the 33220+33022 bearing is a universal fit for all SINOTRUK HOWO models equipped with the standard rear axle assembly.
The 33220+33022 rear wheel bearing is more than just a replacement part – it is a critical investment in the reliability, safety, and efficiency of your SINOTRUK HOWO heavy-duty truck. Manufactured to the highest standards using premium materials and advanced engineering, this bearing delivers unmatched performance in the most demanding operating conditions.
From its robust alloy steel construction to its precision-ground raceways and effective sealing system, every aspect of the 33220+33022 bearing is designed to provide long-lasting, trouble-free service. Whether you are performing scheduled maintenance or responding to an unexpected failure, choosing the genuine 33220+33022 rear wheel bearing ensures that your truck returns to the road quickly and reliably.
As a trusted supplier of Sinotruk howo parts, Deruna is committed to providing only the highest-quality components for your fleet. The 33220+33022 rear wheel bearing exemplifies this commitment, offering exceptional value and performance that you can count on mile after mile.
Upgrade your chassis system with the OEM-grade 33220+33022 rear wheel bearing – engineered for SINOTRUK HOWO, built for the long haul.
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