High Quality K38 KTA38 Main Bearing Set With Thrusting Bearing +0.5 AR12252

Keywords: AR12252 main bearing set, K38 KTA38 +0.5 main bearing with thrust washer, diesel engine crankshaft bearing kit, excavator engine spare parts, construction machinery engine bearing, aftermarket oversize bearing set

🔹Product Overview

Main Bearing Set Part No.AR12252 is oversize +0.5 complete crankshaft main bearing kit equipped with thrust bearing for K38, KTA38 diesel engines, widely applied on excavators and heavy‑duty construction machinery. It bears large radial load of crankshaft and controls crankshaft axial clearance, forms stable lubricating oil film to reduce friction between crankshaft and engine block. This oversize replacement bearing set is designed for reground crankshaft overhaul, solving common failures such as engine abnormal knocking, metal rattling noise, low oil pressure and bearing burning caused by original bearing wear, scratch and alloy layer peeling. Every bearing set is strictly inspected on material and dimension tolerance before shipment.

🔹Detailed Specifications

🔹Key Features & Advantages

• Premium bimetallic alloy material, excellent load‑bearing and anti‑wear performance under heavy‑duty working conditions.
• Accurate +0.5 oversize dimension, perfectly matches crankshaft after grinding repair.
• Comes with complete thrust bearing, effectively controls crankshaft axial movement.
• Fine surface workmanship, maintains stable oil film, avoids dry friction and bearing burnout.
• Direct fit for installation, ideal for K38 KTA38 engine overhaul and maintenance project.
• Effectively eliminates abnormal knocking and low oil pressure faults caused by worn original bearings.

🔹Application Scope

Fit Equipment: Excavators and heavy‑duty machinery equipped with K38, KTA38 diesel engine ‑ 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.