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The connecting rod bearing is a precision component that provides a low‑friction surface between the connecting rod and the crankshaft, enduring immense forces with every power stroke. The genuine SINOTRUK HOWO 530-1004019 Connecting Rod Bearing is an OEM‑grade part engineered to exacting tolerances for reliable power transmission and extended engine life. As a critical element of the trusted Sinotruk howo parts family, this bearing guarantees perfect fitment, superior load capacity, and long‑term durability. Manufactured from high‑strength tri‑metal materials with a precision overlay, the 530‑1004019 unit withstands extreme pressures and temperatures in mining, construction, and long‑haul applications. Investing in this authentic component ensures optimal lubrication, reduces friction, and protects your engine from catastrophic failure.
Connecting Rod Bearing
Вкладыш шатуна
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The 530-1004019 connecting rod bearing is manufactured using a tri‑metal construction: a steel backing for structural rigidity, a copper‑lead or aluminum alloy lining for load carrying, and a soft overlay (often lead‑tin or polymer) for conformability and embedability. This layered design provides the ideal combination of strength, fatigue resistance, and surface properties necessary to support the extreme forces of diesel combustion. The bearing is precision‑machined to micron‑level tolerances, ensuring consistent wall thickness and proper crush for a secure fit in the connecting rod bore.
The bearing incorporates precision‑located oil grooves and feed holes that align with the connecting rod’s oil passages, delivering a continuous supply of pressurized oil to form a hydrodynamic film. This film separates the bearing surface from the crankshaft journal, preventing metal‑to‑metal contact and reducing friction. The locking tang (or lug) on the bearing shell precisely locates it within the rod and cap, preventing rotation. Every 530‑1004019 bearing undergoes rigorous inspection for dimensional accuracy, surface finish, and material integrity, guaranteeing reliable performance in the demanding environment of a heavy‑duty diesel engine.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO 530-1004019 Connecting Rod Bearing. This data is essential for verifying compatibility and understanding the component’s capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 530-1004019 | SINOTRUK HOWO Original Code |
| Product Name | Connecting Rod Bearing | Half‑shell bearing for connecting rod |
| Material | Steel back with copper‑lead / aluminum alloy lining, polymer overlay | Tri‑metal construction |
| Wall Thickness (mm) | Model‑specific (e.g., 2.0 mm) | Precision ground |
| Width (mm) | Model‑specific (e.g., 30 mm) | Matches rod width |
| Inside Diameter (finished) | Model‑specific (e.g., 75 mm) | Matches crankshaft journal |
| Oil Groove | Full / partial | Ensures lubrication |
| Crush Height | As per design | Ensures proper fit |
| Operating Temperature | Up to 150°C | Withstands engine heat |
| Weight (approx.) | 0.1 kg (per shell) | Light but strong |
| Compatible Engines | SINOTRUK HOWO diesel engines | Verify engine model & rod size |
Installing connecting rod bearings requires precision and cleanliness. Before installation, ensure the connecting rod bore is clean and within specification. The new 530-1004019 shells are snapped into the rod and cap, ensuring the locking tang engages fully. Apply a light coat of assembly lube to the bearing surface. The rod and cap are assembled onto the crankshaft journal and torqued to the manufacturer’s specification using the correct procedure (torque angle or stretch method). Bearing clearance should be checked using Plastigage to ensure it is within service limits. The rod must be free to move side‑to‑side with minimal drag.
The 530-1004019 bearing shells are a direct OEM replacement for specific SINOTRUK HOWO engines. Compatibility must be verified by matching the part number with your engine’s model and the required size (standard or undersize). Using the correct shells ensures proper clearance, oil film thickness, and load capacity. Never mix old and new bearings; always replace as a set for each rod. After installation, rotate the crankshaft to check for binding. Genuine SINOTRUK HOWO parts guarantee a perfect fit and reliable engine performance.
Always lubricate the bearing shells and crankshaft journal with clean engine oil or assembly lube during installation. Never use grease, as it can block oil passages and cause bearing failure.
The tri‑metal construction of the 530-1004019 bearing provides exceptional strength to withstand the high peak pressures of turbocharged diesel combustion, preventing fatigue and extending bearing life.
The soft overlay layer embeds small contaminants and provides a low‑friction surface, protecting the crankshaft from scoring and reducing friction during start‑up and boundary lubrication conditions.
The steel backing efficiently conducts heat away from the bearing surface into the connecting rod and oil, helping to maintain oil film integrity and preventing overheating.
Worn connecting rod bearings typically produce a deep, rhythmic knocking noise, especially under load. Low oil pressure, metal particles in the oil, and engine vibration are also indicators. During an engine rebuild, bearings should always be replaced. If the crankshaft journal is scored or out of round, it may need to be ground undersize and corresponding undersize bearings used. Visual inspection may reveal flaking, wiping, or scoring of the bearing surface.
Ignoring worn rod bearings can lead to catastrophic engine failure, including a spun bearing that can seize the crankshaft or break the connecting rod. Replacing them with genuine 530-1004019 shells during an overhaul restores proper clearances and ensures reliable engine operation.
Bearing life depends on clean, high‑quality oil and regular changes. Always use the recommended oil viscosity and maintain proper oil pressure. Avoid over‑revving the engine and prolonged idling. Keep the cooling system in good condition to prevent overheating. During major overhauls, always use genuine SINOTRUK HOWO bearings like the 530‑1004019.
If the engine has suffered from oil starvation, replace all bearings and inspect the crankshaft for damage. Proper assembly with correct clearances and torque is essential for long bearing life.
Generic aftermarket bearing shells may have incorrect material composition, improper crush height, or poor tolerances, leading to early failure and crankshaft damage. The genuine SINOTRUK HOWO 530-1004019 connecting rod bearing is engineered to the exact specifications of your engine, ensuring correct fit, material properties, 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 your engine delivers reliable power for years to come. For engine rebuilders and owner‑operators who demand the best, the genuine 530‑1004019 is the only responsible choice.
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