Cylindrical Roller Bearing 129‑7927 1297927 For Cat 320D 330F 329D 324E Excavator

Keywords: 129‑7927, 1297927, Cylindrical Roller Bearing, Cat Cylindrical Roller Bearing, Excavator Main Pump Bearing, Construction Machinery Roller Bearing, Excavator Hydraulic Pump Replacement Part

Product Overview

This cylindrical roller bearing Part No.129‑7927 (1297927) is a heavy‑load rotating support component specially developed for Cater-pillar 320D, 330F, 329D, 324E excavator hydraulic pump assembly. It bears large radial load during pump continuous high‑speed operation, reduces shaft rotational friction, keeps internal components running smoothly, prevents premature wear, abnormal noise and hydraulic pressure attenuation. Our aftermarket cylindrical roller bearing is strictly manufactured following OEM dimension and tolerance standards, featuring high load‑bearing capacity, high hardness and outstanding anti‑fatigue performance. It maintains stable operation under long‑time heavy‑duty construction working conditions, serving as reliable aftermarket spare part for hydraulic pump rebuild and maintenance.

Detailed Specifications

Key Features & Advantages

• ✅ Fully Matched OEM Dimensional Tolerance Precise inner bore, outer diameter and width, direct installation without modification.
• ✅ Excellent Heavy Radial Load Capacity Optimized roller structure, withstand huge impact load from excavator main pump.
• ✅ High Hardness & Anti‑Fatigue Property Resist repeated cyclic stress, reduce pitting and peeling failure risk.
• ✅ Low‑Noise Stable Rotation High‑precision rolling elements, effectively suppress abnormal pump noise during operation.
• ✅ Complete Anti‑rust Protection Special anti‑rust treatment for sea‑going transportation and long‑term stock storage.

Application Scope

Compatible Equipment List: ‑ Machine Model: Cater-pillar 320D, 330F, 329D, 324E Excavator ‑ Mainly used for excavator hydraulic main pump repair, rebuilding and spare‑parts replacement for construction machinery.

Our Company Advantage

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

Packaging & Shipping ‑

Independent anti‑rust inner package to protect rolling surfaces from scratch and damp damage ‑ 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.