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Fitment checkOEM number, engine model, and machine model confirmation.
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Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This is a high-precision PF6 Main Bearing Set in standard (Std) size, specifically engineered for Nissan industrial diesel engines. As a critical component of the engine rotating assembly, this bearing set ensures the crankshaft rotates smoothly with minimal friction and optimal oil clearance. We are a global supplier of heavy-duty engine parts, offering reliable shipping to major markets including North America, Europe, Southeast Asia, the Middle East, and Africa. Our inventory supports B2B buyers requiring consistent quality for engine rebuilds and maintenance.
Key Features & Benefits
Precision Engineering: Manufactured to OEM specifications for exact fitment and proper oil clearance.
Durable Material: Constructed from high-strength steel with a lead-bronze or aluminum alloy lining for superior fatigue resistance.
Wear Resistance: Designed to withstand high loads and rotational speeds, extending engine service life.
Standard Size: Suitable for standard crankshaft journals; no need for undersized machining.
Reliable Performance: Ensures stable oil film formation, reducing friction and preventing engine knock.
Technical Specifications
Specification
Details
Part Name
Main Bearing Set
Engine Model
PF6
Size
Standard (Std)
Material
Steel-backed + Aluminum Alloy / Lead-Bronze
Quantity per Set
7 Pieces (Standard 6-cylinder set)
Position
Main Bearings (Crankshaft)
Application
Nissan Industrial & Marine Engines
OEM Cross-Reference
This PF6 Main Bearing Set is designed to replace the following original manufacturer part numbers:
Nissan: 15050-Z5003
Nissan: 15050-Z5004
Isuzu (Cross-reference): 1-87811-018-0
Isuzu: 1-87811-020-0
Note: Always verify the OEM number on your original bearing before purchasing to ensure compatibility with your specific engine variant.
Compatibility
This bearing set is compatible with the following engine models and applications:
Nissan PF6 Engine: Used in Nissan Diesel (UD Trucks) medium-duty trucks, buses, and industrial equipment.
Isuzu 6SD1 / 6WG1 Engines (Cross-applications): Often used in heavy machinery like excavators and wheel loaders where these engines are installed.
Typical Applications: Excavators, wheel loaders, marine gensets, and industrial pumps.
Note: This is a standard size bearing. For engines requiring undersized bearings (e.g., 0.25mm, 0.50mm), please specify accordingly.
Global Supply & Distribution
Worldwide Shipping: We ship to over 50 countries via DHL, FedEx, UPS, and sea freight.
Major Markets: USA, Canada, UK, Germany, UAE, Saudi Arabia, Australia, South Africa, Singapore, and Japan.
Fast Delivery: Stock items dispatched within 24 hours. Bulk orders shipped via FCL/LCL to major ports (Rotterdam, Dubai, Shanghai, Los Angeles).
Trade Compliance: All products comply with international export regulations and are packaged for safe transit.
Quality Assurance
Manufacturing Standards: Produced in ISO 9001 certified facilities.
Testing: 100% dimensional inspection for wall thickness, bore diameter, and crush height.
Warranty: 12-month warranty against manufacturing defects under normal operating conditions.
Certification: Material certificates available upon request for traceability.
FAQ
Q1: How do I confirm if this PF6 main bearing fits my engine? A: Check the OEM number on your old bearing (e.g., 15050-Z5003). If it matches, this bearing is compatible. Also, verify the engine model plate (PF6) and ensure the crankshaft journal is not worn beyond standard size. If in doubt, measure the journal diameter and compare to the service manual.
Q2: Can I install this bearing without special tools? A: While basic hand tools can be used, we recommend professional installation using a torque wrench and plastigauge to verify oil clearance. Incorrect installation can lead to bearing failure. Always lubricate the bearing surface with assembly lube before installation.
Q3: What is the recommended oil clearance for this bearing? A: For the PF6 engine, the standard oil clearance for main bearings is typically 0.03mm to 0.08mm (0.0012 to 0.0031 inches). After installation, use plastigauge to confirm. If clearance exceeds 0.10mm, consider using an undersized bearing or replacing the crankshaft.
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