Main Bearing Set 3018210 for Engine QSK38 QSK60 QSK50 G50 K50

Keywords: 3018210 main bearing set, QSK38 QSK60 QSK50 G50 K50 crankshaft main bearing kit, diesel engine main bearing shell, excavator engine spare parts, construction machinery engine bearing, aftermarket replacement bearing set

Product Overview

Main Bearing Set Part No.3018210 is complete crankshaft main bearing set equipped with thrust washer, compatible with QSK38, QSK60, QSK50, G50, K50 diesel engines for excavators and heavy‑duty construction machinery. It supports radial load of crankshaft, bears axial thrust force, forms stable lubricating oil film and reduces friction loss in engine operation. This replacement bearing set solves common engine faults such as abnormal knocking noise, metal rattling, low oil pressure, crankshaft axial shift and bearing melting caused by original bearing wear, surface scratch and alloy layer peeling. Every main bearing set passes strict material test and dimensional tolerance inspection before delivery.

Detailed Specifications

Key Features & Advantages

• ✅ High‑quality bimetallic alloy material, excellent load‑bearing and anti‑friction performance under heavy‑duty working conditions.
• ✅ High‑precision standard size machining dimension, perfect fitting tolerance to maintain stable lubricating oil film.
• ✅ Good wear‑resistance and anti‑spalling property, effectively prevent crankshaft journal scratch damage.
• ✅ Matched thrust washer accurately controls crankshaft axial clearance, prevents axial displacement failure.
• ✅ Reliable surface treatment, extend service life of crankshaft and other matching engine components.
• ✅ Direct replacement installation, suitable for overhaul and maintenance projects of multiple engine models.
• ✅ Effectively eliminate abnormal knocking and low oil pressure troubles caused by damaged original bearings.

Application Scope

Fit Equipment: Excavators and heavy‑duty machinery equipped with QSK38, QSK60, QSK50, G50, K50 diesel engines ‑ Widely applied for engine repair workshops and routine equipment maintenance 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 box with shock‑proof inner packing, avoid scratch and collision 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.

Contact Us

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.