JCB448 Main Bearing and Connecting Rod Bearing STD for JCB Engine Parts Excavator Forklift

Product Details

Product Overview

This is a high-quality Main Bearing and Connecting Rod Bearing Set, specifically designed for the JCB448 diesel engine. As a critical component of the engine’s rotating assembly, this bearing set ensures a precise fitment and reliable performance for JCB heavy machinery. The bearings are manufactured to Standard (STD) OEM size specifications, making them an ideal direct replacement for worn or damaged engine bearings.

Commonly used in a range of JCB equipment, including excavators, forklifts, loaders, and bulldozers, this bearing set is essential for maintaining proper crankshaft and connecting rod clearance. By reducing friction and supporting high loads, these bearings help extend the service life of the engine block and rotating components, ensuring your machinery operates smoothly under demanding conditions.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM STD specifications for a perfect fit on JCB448 engine crankshafts and connecting rods.
• Durable Material Composition: Constructed from high-strength, wear-resistant materials designed to withstand high pressure and temperature fluctuations in diesel engines.
• Complete Set: Includes both main bearings and connecting rod bearings, providing a comprehensive solution for engine overhaul or repair.
• Reduced Friction & Wear: Engineered surface finish minimizes friction between moving parts, improving fuel efficiency and reducing heat generation.
• Reliable Performance: Rigorously tested to ensure consistent oil film retention and load-bearing capacity, preventing premature engine failure.
• Easy Identification: Clearly marked as STD size, simplifying the ordering process and ensuring the correct part is selected for your rebuild.

Technical Specifications

OEM Cross-Reference

This bearing set is designed as a direct replacement for the following OEM part numbers commonly associated with the JCB448 engine. Please verify your original part number before purchase.

• JCB OEM: 320/04802 (Main Bearing), 320/04803 (Connecting Rod Bearing)
• Cross Reference: While specific OEM numbers may vary by engine serial number, this set is engineered to match JCB’s original specifications for the JCB448 engine family. For precise cross-referencing, consult your engine parts manual.

Compatibility

This bearing set is specifically designed for the JCB448 diesel engine. It is commonly used for the following applications:

• Engine Models: JCB 444, JCB 448
• Equipment Types: JCB Excavators, JCB Forklifts, JCB Loaders, JCB Bulldozers, and other heavy machinery powered by the JCB448 engine.

Global Supply & Distribution

We offer worldwide shipping and maintain a robust supply chain to serve international B2B buyers. Our products are exported to major markets including North America, Europe, Southeast Asia, the Middle East, Africa, and South America.

With inventory located in Guangdong, China, we can provide fast delivery to major ports and industrial centers such as Rotterdam, Los Angeles, Dubai, and Singapore. We have extensive experience in international trade, ensuring compliance with export documentation and customs requirements for smooth global transactions.

Quality Assurance

Our manufacturing process adheres to strict quality control standards. Each bearing set undergoes rigorous inspection including dimensional checks, material analysis, and surface finish testing to ensure it meets OEM performance requirements.

• Warranty: 6 months from the date of purchase against manufacturing defects.
• Testing: Machinery Test Report and Video Outgoing Inspection are available upon request to verify product quality before shipment.
• Certifications: Our facility complies with international manufacturing standards, ensuring consistent quality across all batches.

FAQ

Q: How do I confirm if this bearing set fits my specific JCB engine?
A: This set is specifically designed for the JCB448 engine model. To confirm fitment, please check your engine data plate for the exact model (e.g., JCB448) and your original bearing part number. If your engine is a JCB 444 or JCB 448, this STD set is the correct choice. If you have oversized crankshaft journals, you will require a different size (e.g., 0.25mm, 0.50mm undersize).

Q: What is the installation procedure for these bearings?
A: Installation should be performed by a qualified diesel engine technician. Ensure the bearing housing and crankshaft journals are clean and free of debris. Apply clean engine oil to the bearing surfaces before installation. Torque the bearing cap bolts to the manufacturer’s specifications (refer to your JCB service manual for exact torque values). Always check bearing clearance using Plastigage to ensure proper oil film thickness.

Q: How should I store these bearings before installation?
A: Keep the bearings in their original packaging in a clean, dry environment at room temperature. Avoid exposing them to dust, moisture, or extreme temperatures. Do not remove the protective oil coating until immediately before installation to prevent corrosion or contamination.