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The cylindrical roller bearing is a precision component designed to handle high radial loads with minimal friction, making it ideal for transmission and drivetrain applications. The genuine SINOTRUK HOWO LG9704220002+219/1 Cylindrical Roller Bearing is an OEM‑grade part engineered to exacting tolerances for reliable power transmission and extended service life. As a critical element of the trusted Sinotruk howo parts family, this bearing guarantees perfect fitment, superior radial load capacity, and long‑term durability. Manufactured from high‑quality bearing steel with precision‑ground raceways, the LG9704220002+219/1 unit withstands the extreme forces and continuous operation of mining, construction, and long‑haul applications. Investing in this authentic component ensures smooth rotation, reduces vibration, and extends the life of your transmission and differential.
Cylindrical Roller Bearing
Цилиндрический роликовый подшипник
Rodamiento de rodillos cilíndricos
The LG9704220002+219/1 cylindrical roller bearing is manufactured from high‑carbon chrome steel (GCr15), ensuring exceptional hardness and wear resistance. Its precision‑ground rollers and raceways provide a large contact area, allowing it to handle substantial radial loads while maintaining low friction. The bearing features a robust cage, typically made from pressed steel or brass, which ensures even spacing of the rollers and prevents skewing. This design results in smooth, quiet operation even under high speeds and heavy loads.
The bearing is designed for applications where high radial rigidity is required, such as transmission shafts, differential pinions, and axle hubs. Its separable design (inner ring with roller assembly and outer ring) simplifies installation and inspection. The LG9704220002+219/1 bearing is manufactured to ISO and DIN standards, guaranteeing interchangeability and consistent performance. Every bearing undergoes rigorous quality control, including dimensional checks, noise testing, and magnetic particle inspection to ensure it meets SINOTRUK HOWO’s exacting specifications.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO LG9704220002+219/1 Cylindrical Roller Bearing. This data is essential for verifying compatibility and understanding the component’s capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | LG9704220002+219/1 | SINOTRUK HOWO Original Code |
| Product Name | Cylindrical Roller Bearing | Single row, separable design |
| Bore Diameter (d) | Model‑specific (e.g., 70 mm) | Fits shaft |
| Outer Diameter (D) | Model‑specific (e.g., 125 mm) | Fits housing bore |
| Width (B) | Model‑specific (e.g., 24 mm) | Overall width |
| Dynamic Load Rating (Cr) | 120 kN (approx.) | High radial capacity |
| Static Load Rating (Cor) | 150 kN (approx.) | Withstands shock loads |
| Limiting Speed (grease) | 5000 RPM (approx.) | Suitable for transmission speeds |
| Material | Chrome steel GCr15 | Hardened and ground |
| Cage Material | Pressed steel / Brass | Durable |
| Operating Temperature | -40°C to +120°C | Suitable for all climates |
| Weight (approx.) | 1.2 kg | Robust construction |
| Compatible Applications | SINOTRUK HOWO transmissions, differentials | Verify model |
Proper installation is critical for bearing longevity. The shaft and housing must be inspected for damage and correct dimensions. The new LG9704220002+219/1 bearing should be pressed onto the shaft using the inner ring as the contact point, and into the housing using the outer ring. Never apply force through the rolling elements. Use an appropriate mounting tool to ensure square entry and prevent tilting. The bearing should be packed with the correct grade of grease before assembly, or if oil‑lubricated, ensure oil passages are clear. For press fits, heating the bearing to 80‑100°C may ease installation.
The LG9704220002+219/1 cylindrical roller bearing is a direct OEM replacement for specific SINOTRUK HOWO transmission and differential applications. Compatibility must be verified by matching the part number with your vehicle’s service manual. Using the correct bearing ensures proper internal clearance and load capacity. Always replace the bearing if it shows any signs of wear or damage during disassembly. Genuine SINOTRUK HOWO parts guarantee a perfect fit and reliable performance under the most demanding conditions.
When installing cylindrical roller bearings, use an induction heater to warm the inner ring for easier mounting on the shaft. Never use a torch, which can damage the metallurgy. Protect the bearing from contamination during installation.
The line contact between rollers and raceways of the LG9704220002+219/1 bearing provides exceptional radial load capacity, making it ideal for supporting heavy transmission shafts and gears.
Precision‑ground surfaces and high‑quality steel ensure minimal wear and fatigue, providing reliable operation for hundreds of thousands of kilometers even under severe conditions.
Using a genuine OEM bearing prevents premature failure and unscheduled repairs, keeping your SINOTRUK HOWO on the road and reducing total operating costs.
A worn bearing may cause unusual noise (grinding, rumbling), excessive shaft play, vibration, and overheating. Metal particles in the oil are a clear indicator of internal damage. During routine maintenance, check for radial play and listen for abnormal sounds. If any of these symptoms are present, immediate replacement with a genuine LG9704220002+219/1 bearing is essential to prevent further damage to gears and shafts.
Ignoring bearing wear can lead to catastrophic transmission failure, including gear tooth breakage and shaft seizure. Replacing it promptly with a genuine LG9704220002+219/1 restores proper operation and ensures the safety and reliability of your SINOTRUK HOWO truck.
To maximize the life of your LG9704220002+219/1 bearing, ensure proper lubrication with the recommended oil or grease at correct intervals. Keep seals in good condition to prevent contamination. Avoid overloading the vehicle beyond its rated capacity. During transmission service, inspect bearings for any signs of wear. If noise or play develops, investigate immediately.
Always use genuine SINOTRUK HOWO replacement parts for bearing assemblies. Following these practices will help your drivetrain run smoothly for hundreds of thousands of kilometers.
Generic aftermarket bearings often use inferior steel, incorrect heat treatment, or poor geometry, leading to premature failure and potential damage to expensive transmission components. The genuine SINOTRUK HOWO LG9704220002+219/1 cylindrical roller bearing is engineered to the exact specifications of your truck’s drivetrain, ensuring correct fit, load capacity, and durability. It is manufactured under strict quality controls to withstand the extreme demands of heavy‑duty diesel operation.
By choosing the authentic part, you protect your investment and ensure reliable performance for years to come. For fleet managers and owner‑operators who demand the best, the genuine LG9704220002+219/1 is the only responsible choice.
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