YN33CR-5 Main Bearing & Connecting Rod Bearing HA011117 HA04000 for China Diesel Engines

Product Details

Product Overview

This product listing offers a matched set of main bearings and connecting rod bearings, specifically identified by part numbers HA011117 and HA04000. Designed for the YN33CR-5 diesel engine, these components are critical for maintaining precise crankshaft and connecting rod clearances in high-performance industrial applications.

As genuine OEM-size components, these bearings are manufactured to restore factory specifications during engine overhaul or repair. They are commonly used in a variety of heavy-duty equipment, including construction machinery, agricultural tractors, generator sets, marine propulsion systems, and material handling equipment powered by the YN33CR-5 engine platform.

Key Features & Benefits

• Precision OEM Dimensions: Manufactured to standard OEM size specifications, ensuring a direct, accurate fit without the need for additional machining or adjustments.
• Durable Material Composition: Constructed from high-strength, wear-resistant bearing material designed to withstand high loads and extreme operating temperatures common in diesel engines.
• Enhanced Engine Protection: Provides a reliable oil film barrier between rotating and stationary engine components, reducing friction and preventing premature wear on the crankshaft and connecting rods.
• Complete Bearing Set: Includes both main bearings (HA011117) and connecting rod bearings (HA04000) in one package, simplifying parts ordering and ensuring component compatibility for a full bottom-end rebuild.
• Stringent Quality Control: Each bearing undergoes dimensional inspection and material verification to ensure consistent wall thickness and surface finish, meeting rigorous aftermarket standards.
• Versatile Application: Suitable for a wide range of equipment types including construction, agricultural, marine, and power generation, making it a versatile stock item for service workshops.

Technical Specifications

OEM Cross-Reference

This bearing set is designed as a direct replacement for the following OEM part numbers. Please verify your existing part numbers before ordering to ensure correct fitment.

• Main Bearing: HA011117
• Connecting Rod Bearing: HA04000

Note: These part numbers are specific to the YN33CR-5 engine platform. Always cross-reference with your engine’s parts manual for final confirmation.

Compatibility

This bearing set is engineered for the YN33CR-5 diesel engine platform. This engine is commonly used for powering a variety of equipment, including:

• Construction Machinery (e.g., compact loaders, small excavators)
• Agricultural Equipment (e.g., tractors, harvesters)
• Industrial Generator Sets (Gensets)
• Marine Propulsion Systems
• Material Handling Equipment (e.g., forklifts)

Fitment is based on the engine model specified. Always confirm the specific engine model and part number compatibility with your equipment manufacturer’s specifications.

Global Supply & Distribution

As a specialized supplier of Chinese diesel engine parts, we maintain a robust global supply chain to serve B2B buyers worldwide. Our export capabilities cover major industrial markets, including:

• North America: Rapid delivery to ports in Los Angeles, Houston, and New York, with inland distribution to industrial centers.
• Europe: Efficient logistics to Rotterdam, Hamburg, and Felixstowe for distribution across the EU.
• Asia-Pacific: Direct supply to Singapore, Dubai, and major Australian ports for regional distribution.
• Middle East & Africa: Established routes to Jebel Ali, Dammam, and Durban for oil & gas and mining sectors.
• South America: Service to Santos, Callao, and Buenos Aires for agricultural and construction markets.

We offer flexible shipping options including sea freight (FCL/LCL), air freight, and express courier services to meet urgent requirements.

Quality Assurance

Our manufacturing process adheres to strict quality control standards to ensure every bearing meets or exceeds OEM performance requirements. Key quality measures include:

• Material Certification: All raw materials are sourced from certified suppliers and tested for metallurgical composition.
• Dimensional Precision: Bearings are manufactured using precision grinding and honing processes to achieve tight tolerances for wall thickness and circularity.
• Surface Finish: The bearing surface is finished to a micro-smooth texture to optimize oil retention and reduce friction during operation.
• Traceability: Each batch is labeled with production codes for full traceability from raw material to finished product.
• Warranty Support: Backed by a 6-month warranty against manufacturing defects, with online technical support available after the warranty period.

FAQ

Q1: How can I confirm these bearings will fit my YN33CR-5 engine?
A: To ensure correct fitment, please remove and inspect your original bearings for their part numbers. The main bearing should be stamped with HA011117 and the connecting rod bearing with HA04000. Additionally, measure the crankshaft journal diameters and connecting rod bore diameters to confirm they match OEM standard size specifications. If your engine has been previously reground, you may require undersize bearings.

Q2: What is the correct installation procedure for these bearings?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: 1) Thoroughly clean the main bearing saddles and connecting rod bores. 2) Check bearing crush height to ensure proper seating. 3) Apply clean engine oil to the bearing surfaces before installation. 4) Tighten main bearing caps and connecting rod bolts to the manufacturer’s specified torque values using a calibrated torque wrench. 5) Always check bearing clearance using Plastigage after initial installation to confirm proper oil clearance.

Q3: What maintenance is required after installing new main and rod bearings?
A: After installation, it is critical to: 1) Perform an initial engine startup with clean oil and a new oil filter. 2) Run the engine at a low idle for 10-15 minutes to allow the bearings to seat properly. 3) Check and maintain proper engine oil pressure as specified for the YN33CR-5 engine. 4) Change the engine oil and filter after the first 50 hours of operation to remove any wear particles from the break-in process. 5) Regularly monitor oil pressure and listen for abnormal knocking sounds as part of routine maintenance.