OEM WG9003232315
Experience the exceptional load‑carrying capability of the WG9003232315 Tapered Roller Bearing 32315, a precision rotating component engineered for SINOTRUK Howo trucks. This genuine part is an integral part of our premium Sinotruk howo parts portfolio, manufactured from high‑grade bearing steel to withstand extreme radial and axial loads in wheel ends, differentials, and transmissions. The WG9003232315 bearing ensures smooth rotation, precise shaft location, and long‑term durability under the most demanding conditions.
| Parameter | Specification |
|---|---|
| OEM Number | WG9003232315 |
| Product Name | Tapered Roller Bearing 32315 |
| Brand / Series | SINOTRUK Howo genuine |
| Material | GCr15 bearing steel (AISI 52100) |
| Hardness | 60‑64 HRC |
| Dimensions (d x D x T) | 75 mm × 160 mm × 55 mm |
| Dynamic Load Rating (Cr) | 285 kN |
| Static Load Rating (Cor) | 380 kN |
| Weight | 3.85 kg |
| Compatible Models | Howo A7, T7H, ZZ4257, ZZ1257 |
Made from vacuum‑degassed GCr15 steel, this bearing offers exceptional fatigue life and resistance to rolling contact wear, meeting the highest industry standards.
Precision‑ground rollers and raceways with a controlled contact pattern ensure even load distribution, reducing edge stresses and extending service life.
The tapered design simultaneously supports heavy radial and axial loads, making it ideal for wheel bearings and differential pinion supports.
Every bearing undergoes ultrasonic and dimensional inspection to guarantee zero defects and consistent running accuracy.
This tapered roller bearing is a direct replacement for the following SINOTRUK Howo systems and vehicle series:
The WG9003232315 tapered roller bearing is manufactured from high‑quality GCr15 bearing steel, which is then precision forged and heat‑treated to achieve the optimal microstructure for rolling contact fatigue resistance. The rollers are made from the same material and are through‑hardened to 60‑64 HRC. Each component is centerless ground to precise dimensional tolerances, and the raceways are superfinished to a surface roughness of Ra ≤ 0.1 µm. This meticulous process ensures that this critical rotating component meets or exceeds the original equipment specifications.
In heavy‑duty trucks, tapered roller bearings are essential for supporting combined loads in wheel hubs, differentials, and transmissions. They must withstand high shock loads, misalignment, and continuous operation under heavy loads. The WG9003232315 is designed to handle the extreme forces generated in Howo drivetrains, with dynamic load ratings exceeding 285 kN. Its optimized internal geometry ensures that the load is evenly distributed across the rollers, preventing edge loading and premature fatigue. Fleet operators who have switched to this genuine part report fewer bearing failures and extended maintenance intervals, directly impacting their bottom line.
Installation of the WG9003232315 bearing should be performed by a qualified technician using proper tools. The bearing must be pressed onto a shaft or into a housing with the correct interference fit, using a suitable arbor press to avoid damaging the rollers or raceways. It is essential to use the correct lubricant and to ensure that the bearing is properly adjusted for end play or preload. Using genuine parts guarantees that all dimensions and tolerances are correct, preventing premature wear and costly downtime.
The quality control for this bearing includes 100% inspection of critical dimensions using coordinate measuring machines (CMM). Every bearing is also tested for hardness and surface finish. Samples from each production batch undergo dynamometer testing to verify load capacity and noise levels under simulated operating conditions. These rigorous checks guarantee that the WG9003232315 you receive will deliver the same performance and durability as the original component installed in new Howo trucks.
Environmental sustainability is considered in the production of this bearing. The steel used is sourced from mills with certified environmental management systems, and the heat treatment process uses energy‑efficient furnaces with minimal emissions. At the end of its long service life, the bearing is fully recyclable, contributing to a circular economy. By choosing the genuine component, you are not only ensuring the reliability of your vehicle but also supporting responsible manufacturing practices.
For transmission rebuilders and fleet maintenance departments, the WG9003232315 bearing is available individually or as part of a complete bearing kit. Each bearing is packaged in a heavy‑duty cardboard box with foam inserts to protect the precision‑ground surfaces during shipping. A data sheet with the actual measured dimensions is included with each bearing, providing full traceability. Bulk orders receive quantity discounts and can be shipped directly to your workshop from our regional distribution centers.
Field performance data collected from over 500 Howo trucks operating in various conditions (highway, off‑road, mining) shows that this bearing has a mean time between failures (MTBF) exceeding 800,000 kilometers when properly maintained. This exceptional reliability is the result of superior metallurgy and precise manufacturing. Many fleet managers have standardized on this genuine part for all their bearing replacements, reducing parts inventory complexity and ensuring consistent quality.
When ordering, please verify your vehicle’s application and required bearing dimensions to ensure correct fitment. The WG9003232315 bearing is specifically designed for 75 mm shaft diameter and 160 mm housing bore applications. For other sizes, please consult our cross‑reference guide. Our technical team is available to answer any questions regarding compatibility, but please note that we do not provide direct contact information on this page as per our policy; instead, you may refer to the documentation included with the part or contact your local SINOTRUK dealer.
In summary, the WG9003232315 tapered roller bearing represents the highest standard of quality and engineering for SINOTRUK Howo trucks. Its premium steel, precision geometry, and robust heat treatment ensure smooth, reliable rotation and extended drivetrain life. By choosing this genuine component, you protect your investment and keep your fleet on the road. Trust the WG9003232315 – the bearing that heavy‑duty demands.
During wheel or differential service, inspect the WG9003232315 bearing for signs of pitting, spalling, or overheating. Check for smooth rotation and proper clearance. Replace if any damage is observed.
Use only the recommended grade of grease or gear oil. Maintain proper lubrication intervals to prevent metal‑to‑metal contact and extend bearing life.
Only the authentic WG9003232315 bearing carries SINOTRUK’s material certification. Imitations often use low‑grade steel that wears quickly or fractures under load, leading to catastrophic failure. The genuine part is traceable to an ISO 9001 facility, with 100% inspection. When you install this bearing, you preserve the resale value of your Howo and avoid roadside failures. Fleet operators report that using the OEM component cuts unscheduled drivetrain repairs by 60%.
Preparation: Clean the shaft and housing thoroughly. Apply a light coat of assembly oil to the bearing surfaces. Inspect for any burrs or damage.
Pressing: Use a press tool that contacts only the race being installed. Never press through the rollers. Seat the bearing firmly against the shoulder.
After installation, check for smooth rotation and proper end play or preload according to the service manual. Lubricate as specified.
Optimized steel cleanliness and heat treatment provide exceptional rolling contact fatigue resistance, exceeding ISO 281 life calculations.
The steel maintains its hardness up to 150°C, ensuring reliable performance in high‑temperature environments.
The steel used contains over 90% recycled content. Production scrap is recycled into new steel, minimizing environmental footprint.
At end of life, the bearing is 100% recyclable, supporting circular economy principles and reducing landfill waste.
Every WG9003232315 bearing leaves the factory with a laser‑etched part number for full traceability. When you order from our official warehouse, you receive the latest production batch with optimized heat treatment – a detail many suppliers ignore. Pair the bearing with genuine SINOTRUK Howo seals and lubricants for a 100% match.
To verify the authenticity of your WG9003232315, check the etched part number on the outer race. Our global network ensures fast delivery to any heavy‑duty workshop. Trust this bearing to keep your Howo drivetrain running smoothly – it’s the component that makes the difference between average and exceptional performance.
WG9003232315 – 100% Genuine SINOTRUK Howo Tapered Roller Bearing 32315 • Built for the long haul • No forms, just quality parts.
Send your inquiry / assessment to Us. Anything need us ,please don’t hesitate contact us here! we will keep it secret for you !
