Needle Roller Bearing 129‑7859 1297859 For Cat E320C E320D E318C Excavator Hydraulic Pump

Keywords: 129‑7859, 1297859, Needle Roller Bearing, Cat Needle Roller Bearing, E320C Hydraulic Pump Bearing, Excavator Hydraulic Pump Spare Part, Construction Machinery Replacement Bearing

🔹Product Overview

This needle roller bearing Part No.129‑7859 (1297859) is an important load‑bearing rotating component specially designed for Cater-pillar E320C, E320D, E318C excavator hydraulic pump. It bears radial load during hydraulic pump high‑speed operation, reduces rotational friction, ensures smooth rotation of pump internal parts and prevents excessive wear, noise and hydraulic pump efficiency drop. Our aftermarket needle roller bearing is strictly manufactured according to OEM dimension and tolerance standard, with high load‑bearing capacity, precise dimensional tolerance and excellent wear resistance. It delivers stable performance under continuous heavy-duty excavator working conditions. It is a reliable aftermarket spare part for hydraulic pump overhaul and repair.

🔹Detailed Specifications

🔹Key Features & Advantages

• Exact OEM Dimension & Tolerance Perfect fit for hydraulic pump housing and shaft, direct replacement without machining modification.
• High Radial Load Capacity Compact structure with large load‑bearing capacity, adapt to heavy pressure inside excavator main pump.
• Superior Wear‑Resistant Material Good surface hardness, resist abrasion under long‑time high‑speed cyclic operation.
• Low Friction Rotation Performance Stable rotation, effectively lower abnormal noise and heat generation inside hydraulic pump.
• Reliable Anti‑rust Treatment Special anti‑rust processing for storage and ocean transportation, avoid surface corrosion.

🔹Application Scope

Compatible Equipment List: ‑ Machine Model: Cater-pillar E320C, E320D, E318C Excavator ‑ Application: Excavator main hydraulic pump repair, rebuild and spare‑parts replacement for construction site machinery.

🔹Our Company Advantage

We are professional supplier of full‑range excavator construction machinery spare parts, supplying all kinds of bearings, hydraulic pump parts, valve assemblies and other replacement accessories. ‑ Large ready stock for various excavator hydraulic system spare parts ‑ Factory direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping ‑

Independent anti‑rust inner packing to protect bearing rolling surface from scratch and moisture ‑ Outer reinforced export carton for long‑distance sea and land transportation ‑ Multiple shipping selections: sea freight, air freight, international express for small trial orders ‑ Export documents including Commercial Invoice, Packing List can be provided

🔹Contact Us

If you need more engine spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.