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Reliable wheel end performance is essential for safe and efficient heavy-duty truck operation. The Sinotruk howo parts portfolio includes the advanced K1-3001110A Wheel Hub Bearing Unit Assembly (with Side Cover), a complete, pre-assembled chassis component designed to deliver long-lasting, maintenance-free wheel bearing performance for SINOTRUK HOWO trucks. This genuine OEM unit integrates high-precision tapered roller bearings, a robust hub shell, and a protective side cover into a single, ready-to-install assembly.
The K1-3001110A eliminates the need for separate bearing packing, adjustment, and sealing, reducing installation time and the risk of improper assembly. Whether you are performing scheduled maintenance or replacing a worn hub, this unit ensures consistent bearing preload, optimal lubrication retention, and protection against contamination.
For fleet maintenance teams, workshop technicians, and owner-operators, understanding the engineering excellence of this wheel hub bearing unit (OEM K1-3001110A) is key to achieving maximum wheel end reliability, reduced downtime, and extended axle life.
Wheel Hub Bearing Unit Assembly
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The K1-3001110A Wheel Hub Bearing Unit Assembly combines the hub shell, precision tapered roller bearings, and a durable side cover into a single, factory-assembled unit. This integrated design eliminates the variability of manual bearing adjustment and ensures that the bearing preload is set to the optimal specification for SINOTRUK HOWO axles.
The unit features high-quality bearings with hardened steel races and precision-ground rollers, providing exceptional load-carrying capacity and resistance to fatigue. The side cover, made from corrosion-resistant steel, seals the hub against moisture, dirt, and debris, protecting the bearings and lubricant from contamination.
Designed as a direct OEM replacement, the K1-3001110A ensures that your HOWO chassis maintains its factory wheel end geometry, ABS sensor clearance, and brake mounting alignment. The assembly is ready to install with no additional bearing packing or adjustment required, reducing workshop time and the potential for installation errors.
With the K1-3001110A, SINOTRUK HOWO delivers a new standard of wheel end reliability. Every unit is tested for bearing runout, preload, and seal integrity, ensuring that each assembly provides smooth rotation, minimal vibration, and extended service life.
| Parameter | Specification |
|---|---|
| Product Name | Wheel Hub Bearing Unit Assembly (with Side Cover) |
| OEM Number | K1-3001110A |
| Brand | SINOTRUK HOWO |
| Product Type | Wheel Hub Bearing Unit (Chassis / Axle Component) |
| Applicable Models | SINOTRUK HOWO A7, T7H, 6×4, 8×4, Heavy-Duty Series |
| Bearing Type | Tapered Roller Bearings (Matched Set) |
| Hub Material | Ductile Iron / High-Strength Steel |
| Side Cover Material | Corrosion-Resistant Steel (Zinc-Plated) |
| Sealing System | Integrated Triple-Lip Oil Seals + O-Ring |
| Bearing Preload | Factory-Set (0.05–0.15 mm) |
| Dynamic Load Rating (per bearing) | ≥ 120 kN |
| Mounting Type | Bolt-On (Direct OEM Replacement) |
| Compliance | ISO 9001 / IATF 16949 |
| Warranty | 24 Months |
Ready-to-Install Convenience – The K1-3001110A comes fully assembled with pre-set bearing preload, eliminating the need for manual adjustment and reducing installation time.
Superior Contamination Protection – The integrated side cover and triple-lip seals provide exceptional protection against water, mud, and dust, extending bearing life in harsh conditions.
High Load Capacity – Matched tapered roller bearings deliver outstanding radial and axial load capacity, supporting heavy payloads and rough road conditions.
Genuine OEM Fit – Factory-spec dimensions and bolt patterns ensure perfect alignment with the axle spindle, brake components, and ABS sensors, eliminating modifications.
Optimized Lubrication – Pre-filled with high-temperature grease, the unit ensures proper lubrication from the first rotation, reducing initial wear and extending service intervals.
Longer Service Life – Precision-manufactured components and robust sealing provide extended wheel end life, reducing downtime and total maintenance costs.
The K1-3001110A Wheel Hub Bearing Unit Assembly is engineered to deliver reliable performance across a wide range of heavy-duty applications.
Its integrated design and high load capacity make it the ideal choice for:
Whether your fleet operates in extreme cold, desert heat, or humid coastal regions, the K1-3001110A provides consistent and dependable wheel end performance, contributing to vehicle safety and uptime.
The K1-3001110A Wheel Hub Bearing Unit Assembly is designed as a direct OEM replacement for the front and rear drive axles of SINOTRUK HOWO heavy-duty trucks.
It fits seamlessly into HOWO A7, T7H, and classic 6×4 and 8×4 chassis, ensuring quick and accurate installation with standard workshop tools and torque specifications.
The unit’s hub flange bolt pattern, bearing journal dimensions, and ABS tone ring interface are produced to exact OEM specifications, guaranteeing proper fitment with the axle spindle, brake drums, and wheel speed sensors.
This assembly is compatible with both drum and disc brake configurations (depending on the specific axle variant) and is suitable for use with standard and ABS-equipped braking systems.
For parts distributors and workshops, the K1-3001110A simplifies inventory management by covering multiple HOWO variants, reducing the need for separate bearing, hub, and seal stock.
Every K1-3001110A Wheel Hub Bearing Unit Assembly is manufactured under strict quality control, from material certification to final assembly.
SINOTRUK HOWO employs advanced testing equipment, including bearing runout gauges, preload measurement tools, and seal leak testers, to ensure that each unit meets the specified performance criteria.
Each assembly is tested for smooth rotation, vibration levels, and seal integrity, ensuring that the unit is free from defects and ready for immediate installation.
The high-quality bearing steel is heat-treated for superior fatigue resistance, and the side cover is zinc-plated to prevent corrosion, even in salt-spray environments.
With a proven service life exceeding 300,000 kilometers under normal operating conditions, the K1-3001110A is a trusted choice for fleets worldwide, backed by SINOTRUK HOWO’s commitment to quality and reliability.
The K1-3001110A Wheel Hub Bearing Unit Assembly is more than a replacement part – it is an upgrade that simplifies maintenance while enhancing wheel end reliability and safety for your SINOTRUK HOWO vehicle.
By choosing this genuine OEM component, you eliminate the guesswork of bearing adjustment, reduce installation time, and ensure consistent bearing preload. The integrated side cover and seals provide superior protection against the elements, extending bearing life and reducing unplanned downtime.
Fleet managers benefit from reduced maintenance costs and simplified parts inventory, while owner-operators gain peace of mind from a component that is engineered to the highest standards and backed by a comprehensive warranty.
When you need a wheel hub bearing unit that delivers integrated durability, high load capacity, and long service life, the K1-3001110A is the definitive choice. Equip your HOWO truck with this industry-leading chassis component and experience the difference that genuine OEM quality makes in wheel end performance and operational efficiency.
SINOTRUK HOWO K1-3001110A Wheel Hub Bearing Unit Assembly (with Side Cover) – Integrated Durability for Heavy-Duty Chassis
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