Caterpillar 4W5738 Main Bearing: High-Performance Bearings for CAT D330/D330A/D330B Engines – Reduce Friction, Extend Lifespan
Durable OEM-compatible main bearings for Caterpillar D330 series engines. ISO-certified, bulk pricing, and global logistics for B2B buyers.
Key Features & Technical Specifications
OEM Precision & Industrial Durability
- Material: High-strength steel with tri-metal overlay (lead-tin-copper) for 250+ MPa load capacity.
- Certification: Meets Caterpillar 1U-6681 specifications, tested under 2,200–2,800 Nm torque loads.
- Compatibility: CAT D330, D330A, D330B, 3306, and industrial/marine variants.
B2B-Centric Value Propositions
- Bulk Savings: 40% lower cost vs. new OEM parts for orders ≥50 units.
- Fast Turnaround: Shipped globally in 3–5 business days.
- Custom Solutions: Modify wall thickness (±0.003″) for specialized rebuilds.
Product Specifications
| Parameter | Data |
|---|---|
| Part Number | 4W5738 |
| Inner Diameter | 3.740″ (95.0 mm) |
| Outer Diameter | 4.330″ (110.0 mm) |
| Width | 1.000″ (25.4 mm) |
| OEM Cross-Reference | CAT #4W5738 |
| Torque Resistance | Up to 2,800 Nm |
Compatible Applications
- Engines: CAT D330 (12.5L), D330A (14.6L), D330B (15.8L), 3306 (10.4L).
- Equipment: CAT 631A/631B scrapers, 1673/1674 generators, marine propulsion systems.
Other Caterpillar Bearing Models
| Model | Model | Model | Model |
|---|---|---|---|
| D333 | 3306 | C9/C7/C13 | 3064/3066 |
| 1673B/1673C | G333B/G333C | S4K/S6K | Custom Builds |
Request Bulk Pricing or Custom Solutions
CTA:
✅ ISO-Certified | ✅ 24/7 Technical Support | ✅ Wholesale Discounts
📞 Call/WhatsApp: +86 13889277673
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