Bearing,Main
Коренной Подшипник
Cojinete Principal
This OEM main bearing (part 5714715X) is a precision-engineered crankshaft journal support bearing designed specifically for Shacman H3000 heavy-duty commercial trucks equipped with Cummins engines. The 5714715X main bearing provides the critical hydrodynamic interface between the crankshaft main journal and the engine block bearing saddle, maintaining proper oil film thickness and ensuring smooth, friction-free crankshaft rotation under all engine operating conditions.
Manufactured from premium high-grade multi-layer bearing materials with exact dimensional specifications, precision machining processes, and advanced surface coating technologies, this 5714715X main bearing withstands continuous extreme dynamic loading, high-frequency oil film pressure pulsations, severe thermal cycling stress, and prolonged intensive service during demanding heavy-duty commercial vehicle applications.
Replacing a worn, scored, or fatigued main bearing with this genuine 5714715X component restores proper crankshaft support and prevents bottom-end engine failure. The OEM part number guarantees exact dimensional specifications and factory-engineered quality specifically validated for Shacman H3000 Cummins truck engines.
| Parameter | Specification |
|---|---|
| OEM Part Number | 5714715X |
| Product Name | Bearing,Main |
| Brand | Shacman |
| Application | Cummins Engine Crankshaft System – Precision Half-Shell Plain Bearing for Supporting Crankshaft Main Journal Rotation with Hydrodynamic Lubrication Film |
| Compatible Model | Shacman H3000 Heavy-Duty Commercial Truck Series with Cummins Engine |
| Component Type | Precision Half-Shell Plain Bearing with Multi-Layer Structure, Locating Tangs, Oil Distribution Grooves, and Specific Crush Height for Secure Housing Bore Retention |
| Material | Steel-Backed Multi-Layer Construction with Copper-Lead or Aluminum-Tin Bearing Lining and Lead-Tin Overlay for Superior Fatigue Strength and Embeddability |
| Manufacturing Process | Precision Strip Forming, Bearing Lining Application, CNC Boring, Oil Groove Machining, Overlay Coating, Crush Height Verification, Quality Inspection |
| Function | Engine Rotating Assembly Component for Supporting Crankshaft Rotation, Maintaining Hydrodynamic Oil Film, and Transferring Combustion Forces to Engine Block During Operation |
The 5714715X main bearing serves as a vital crankshaft journal support bearing engineered to provide the critical hydrodynamic interface for crankshaft rotation on Shacman H3000 heavy-duty commercial trucks.
This 5714715X main bearing provides essential crankshaft support and friction reduction, significantly preventing metal-to-metal contact and ensuring smooth engine operation through its precisely engineered multi-layer material composition and advanced surface overlay technology.
The precisely controlled crush height and oil groove configuration of the 5714715X provide optimal housing retention and lubrication distribution, ensuring reliable crankshaft support during demanding heavy-duty commercial vehicle operations.
This 5714715X component maintains its dimensional stability and fatigue strength throughout its service life, resisting delamination and wear during prolonged exposure to high dynamic loads and oil film pressures worldwide.
The steel-backed multi-layer construction and lead-tin overlay coating of the 5714715X provide exceptional fatigue resistance and embeddability, withstanding continuous cyclic loading and contaminant exposure throughout the vehicle service life.
The 5714715X main bearing is manufactured to meet the specific clearance, crush height, and durability requirements of Shacman H3000 Cummins truck engines, assuring complete compatibility with crankshaft journals and engine block bearing saddles.
By providing dependable crankshaft support with durable multi-layer construction, this component contributes directly to engine reliability, power transmission efficiency, and maintained vehicle performance in demanding transport environments worldwide.
The 5714715X main bearing utilizes precision strip forming and quality-controlled CNC boring that provide consistent dimensional accuracy and reliable rotational support without defects during extended service life.
The precisely controlled wall thickness and crush height specifications of the 5714715X ensure proper housing fit and bearing retention, maintaining reliable crankshaft support throughout the vehicle operational lifespan.
The carefully engineered multi-layer structure and overlay composition of the 5714715X provide enhanced fatigue strength and seizure resistance, enabling the bearing to withstand extreme dynamic loading conditions.
Each main bearing undergoes rigorous quality verification, including dimensional inspection, crush height measurement, and surface finish assessment to guarantee reliable performance in demanding engine applications.
The material selection for the 5714715X prioritizes steel-backed construction for superior strength and lead-tin overlay for enhanced conformability and embeddability in harsh engine operating environments.
The 5714715X main bearing design has been validated through extensive engine-level durability and fatigue testing to ensure reliable performance throughout the complete vehicle operational interval.
Replacement of a damaged 5714715X main bearing requires removing the oil pan and the affected main bearing cap, carefully extracting the old bearing shells, and installing the new components with proper orientation and lubrication procedures.
When installing the new 5714715X main bearing, ensure that the bearing saddle and cap are thoroughly cleaned, that the bearing back surfaces remain dry, that the locating tangs properly engage, and that the bearing surface is adequately pre-lubricated with clean engine oil.
After installation of the 5714715X main bearing, verify proper bearing crush by tightening main cap bolts to exact specification, check that the crankshaft rotates freely, and confirm correct oil clearance using appropriate measurement methods before final engine assembly.
When removing the old 5714715X main bearing, carefully inspect the crankshaft main journal condition, engine block bearing saddle alignment, and oil gallery cleanliness for any signs of abnormal wear, scoring, or contamination requiring attention before installing new components.
It is essential to follow proper bearing handling, lubrication, and torque procedures when installing the 5714715X main bearing, as improper procedures can cause bearing seizure and catastrophic engine damage during demanding operations.
During engine overhaul procedures, the 5714715X main bearing should be carefully inspected for surface condition, overlay wear, and dimensional changes to determine if replacement is necessary to restore proper crankshaft support performance.
Each 5714715X main bearing undergoes thorough dimensional inspection, crush height verification, and surface finish assessment to guarantee strict compliance with OEM engineering specifications and performance requirements.
We provide complete quality documentation for every batch of 5714715X main bearings, including detailed material certifications and comprehensive inspection reports for vehicle maintenance records and workshop quality assurance compliance.
The main bearing is tested for dimensional accuracy and structural integrity to ensure proper crankshaft support and consistent operation in the most demanding vehicle operating environments and climatic conditions worldwide.
Our quality management system includes fatigue testing and overlay adhesion verification on the 5714715X to guarantee consistent manufacturing quality and extended operational durability throughout the component lifecycle.
We maintain complete traceability of all materials and processes used in the 5714715X main bearing, from raw material certification to finished product inspection, ensuring total accountability throughout the entire production and supply process.
Visible scoring, wiping, or overlay removal on the 5714715X main bearing surface indicates inadequate lubrication or excessive loading, requiring immediate replacement to restore proper crankshaft support and prevent further engine damage.
Abnormal engine knocking noise, reduced oil pressure, or metallic particles in engine oil related to the 5714715X suggests excessive bearing clearance or wear, necessitating prompt replacement during scheduled engine inspection procedures.
If the main bearing exhibits fatigue cracking, delamination, or structural damage affecting load-bearing integrity, the 5714715X component should be replaced immediately to restore proper engine function and prevent catastrophic crankshaft damage.
Following any engine oil starvation event, lubrication system failure, or foreign particle contamination, the 5714715X main bearing must be thoroughly inspected and replaced if any signs of damage or compromised condition are detected during professional examination.
If the main bearing shows signs of corrosion, cavitation, or thermal damage affecting performance, the 5714715X requires replacement to ensure correct crankshaft support during vehicle operation on demanding routes.
Standard comprehensive engine inspections should include a detailed examination of the 5714715X main bearing for early indicators of overlay wear, embedded particles, or physical damage requiring prompt corrective action.
Inferior aftermarket main bearings with incorrect specifications or substandard material quality can lead to catastrophic engine seizure and crankshaft damage. We exclusively supply authentic components like the 5714715X manufactured to precise OEM engineering and quality standards.
The part number 5714715X is clearly identified on packaging for unambiguous verification. Our extensive international logistics infrastructure ensures secure protective packaging and rapid dispatch to any worldwide destination with complete export documentation.
All procurements of 5714715X include comprehensive quality certification, ensuring conformity with local import regulations and vehicle engine documentation requirements applicable in your jurisdiction and operational region worldwide.
We provide highly competitive pricing structures and dependable shipping alternatives for the 5714715X main bearing, facilitating convenient access for our international clientele to maintain their Shacman H3000 trucks with authentic OEM engine components.
Our dedicated client support team stands prepared to address any technical inquiries or logistical concerns regarding the 5714715X main bearing, encompassing vehicle engine consultations to comprehensive bulk fleet procurement processing and delivery worldwide.
Complete 5714715X main bearing set with upper and lower half-shells in specified quantity. Ready for professional installation featuring multi-layer bearing construction for dependable crankshaft support performance.
Expert technical guidance on vehicle engine rotating assembly components and proper installation procedures for the 5714715X main bearing is readily available. We assist in ensuring reliable engine performance for your Shacman H3000 truck.
Complete quality documentation for 5714715X is available upon request, encompassing material certifications and dimensional inspection reports for your permanent maintenance and vehicle service records.
For current stock availability of the genuine 5714715X main bearing, please use the contact buttons above.
