Main Bearing Set AR4220 for V28 VT28 VTA28 Diesel Engine

Keywords: AR4220 main bearing set, V28 VT28 VTA28 engine main bearings, diesel engine crankshaft main shell, heavy‑duty engine main bearing kit, excavator machinery engine spare parts, aftermarket replacement main bearing set

Product Overview

Main Bearing Set Part No.AR4220 is an important friction‑reduction component for V28, VT28, VTA28 diesel engines. It installs between engine block and crankshaft main journal, forms stable lubricating oil film to bear huge combustion impact load, reduce crankshaft rotation friction and protect main journal from wear and scratch. This bearing kit works as premium replacement for fatigued, worn original bearings during engine overhaul, solving faults including engine abnormal knocking noise, low oil pressure and crankshaft journal damage. Each main bearing set passes dimension test, surface inspection and material performance check before delivery.

Detailed Specifications

Key Features & Advantages

• Produced strictly following OEM dimension standards, precise radian and thickness, perfectly match engine block and crankshaft main journal, direct fit without modification.
• High‑strength bimetallic alloy material, outstanding load‑bearing and anti‑fatigue performance, adapt to heavy‑load continuous working conditions.
• Fine smooth inner working surface, good oil‑film retention capacity, effectively decrease friction loss and prevent shaft‑burning risk.
• Excellent wear‑resistant property, extend service life under high‑impact engine running environment.
• Critical overhaul spare part for V28 VT28 VTA28 engine, repair engine knock and low oil pressure failure.

Application Scope

Fit Equipment: Excavators, generator sets and heavy‑duty industrial machinery powered by V28, VT28, VTA28 diesel engine. ‑ Widely applied for machinery repair workshops and full engine overhaul projects.

Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying engine parts, hydraulic parts, electrical parts, seal kits and complete overhaul kits. ‑ Large ready stock for various machinery spare parts ‑ Factory‑direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

Packaging & Shipping

Neutral export carton with shock‑proof inner packing, prevent collision damage during long‑distance transportation ‑ Multiple shipping options: sea freight, air freight, international express for small trial orders ‑ Export documents such as Commercial Invoice, Packing List can be provided.

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