Engine Bearings Manufacturer - CNSUDA | High-Quality Main & Conrod Bearings

About CNSUDA

JiangXi Suda Automobile Bearing Co., Ltd. is a leading manufacturer specializing in engine bearings for passenger cars, commercial vehicles, agricultural machinery (tractors, harvesters), industrial equipment, and marine applications.

With over two decades of experience, CNSUDA combines advanced manufacturing technology with strict quality control to deliver reliable, high-performance bearings trusted by customers worldwide.

20+

Years Experience

26,666m²

Factory Area

50M RMB

Fixed Assets

Our Products

Precision-engineered engine bearings designed for optimal performance, longevity, and compatibility across a wide range of automotive and industrial engines.

Big End Bearing Crankshaft

High-load capacity conrod bearing for diesel and gasoline engines. Ideal for heavy-duty applications.

Engine Bearing for CUMMINS 6CT

Precision-fit main and conrod bearings engineered specifically for Cummins 6CT series engines.

Main Bearing M121H for Mitsubishi

High-precision aluminum-based main bearing for Mitsubishi engines. Superior wear resistance.

Main Bearing M412A for 4D94E

Superior quality engine main bearing with enhanced fatigue strength for industrial applications.

Engine Bearing H992/7 for MAN

Heavy-duty bearing set designed for MAN truck engines. Excellent load distribution and oil retention.

Aftermarket Bearing for Toyota

OEM-spec replacement bearings for Toyota passenger and commercial vehicles. Direct fit.

Main & Conrod Bearing Set

Complete aluminum-base engine bearing kits for passenger cars. Precision-machined for perfect fit.

Engine Bearing for OM352

High-strength bearing solution for Mercedes-Benz OM352 diesel engines. Corrosion-resistant coating.

Aluminum Bearing Set for NISSAN

Lightweight, high-conductivity bearings optimized for Nissan engine platforms.

Engine Bearing for DAEWOO TICO MATIZ

Compact engine bearing solution for small displacement Daewoo engines. Low friction design.

Main Bearing 21020-21124 for Hyundai

Precision-engineered main bearing for Hyundai Excel models. High fatigue resistance.

Conrod Bearing 23060-23140 for Elantra

Superior quality connecting rod bearing for Hyundai Elantra G4GM engine. Enhanced oil flow.

View Full Product Catalogue

Why Choose CNSUDA?

Our commitment to innovation, quality, and customer satisfaction sets us apart in the global engine bearing market.

Advanced Technology

We utilize cutting-edge manufacturing processes and materials science to produce bearings with superior fatigue strength, wear resistance, and load capacity.

Quality Assurance

Every bearing undergoes rigorous testing for dimensional accuracy, surface finish, and performance under extreme conditions to ensure reliability.

Customer First

We prioritize long-term partnerships, offering technical support, custom solutions, and responsive service to meet your specific needs.

Frequently Asked Questions

What is a big end bearing?

A big end bearing, also known as a connecting rod bearing, is located at the end of the connecting rod that attaches to the crankshaft. It allows smooth rotation under high pressure and temperature, ensuring efficient power transfer from the piston to the crankshaft.

What materials are CNSUDA bearings made from?

Our engine bearings are typically made from high-strength aluminum alloys or tri-metal layers (steel backing with copper-lead or aluminum-tin overlay) for optimal load distribution, conformability, and corrosion resistance.

Do you offer custom engine bearing solutions?

Yes, CNSUDA provides OEM and ODM services. We can develop custom bearing solutions based on your engine specifications, performance requirements, and application environment.

What engines do your bearings support?

We manufacture bearings for a wide range of engines including Cummins, Mercedes-Benz, Toyota, MAN, Mitsubishi, Scania, Volvo, Ford, Hyundai, Daewoo, and many others across American, European, Japanese, and Korean vehicle brands.

How can I request a quotation?

To request a quotation, please visit the official CNSUDA website and use their inquiry system. Provide details such as bearing model, quantity, application, and any technical specifications.

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