Engine Bearing Main Bearing/Small End Bearing for Daewoo D1146 71-2913/6 ...

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Product Title: Engine Main Bearing

Product Model: 490B-01033 for Xinchai 490B

 

 

 

 

 

 

 

 

 

Item	Description
Product Name	Engine Main Bearing (490B)+0.00-30
P/N	490B-01033
Applied Model	Forklift Truck with Xinchai 490 Engine
Net Weight (kg)	0.55
Gross Weight (kg)	0.95
Qty per Carton	1 kit
Carton Size (cm)	20*12*6

 

 

 

The Role of Main Bearings:

Main bearings are critical components in the operation of machinery, playing a key role in supporting the crankshaft and ensuring its smooth rotation.

 

Beyond this fundamental function, main bearings serve additional purposes:

 

1. Delivering Lubricating Oil:

The main bearings feature oil grooves and holes. As the crankshaft rotates, these features draw in engine oil and distribute it to the connecting rod bearings, providing necessary lubrication.

 

2. Protecting Bearings:

An oil film is formed between the main bearing and the crankshaft, which acts as a protective layer, reducing direct metal-to-metal contact and thus minimizing wear.

 

3. Reducing Wear:

The surface of the main bearing is precision-machined to achieve a surface roughness of less than 0.4μm, significantly reducing friction and wear during operation.

 

By fulfilling these roles, main bearings contribute to the efficient and reliable operation of the engine.

 

With the tenet of quality and integrity, guideline of sustainable development and principle of small profits but quick returns, we can provide you with quality Engine Bearing Main Bearing/Small End Bearing for Daewoo D1146 71-2913/6 ... with competitive prices. We are currently one of the most professional and outstanding manufacturers in China. With professional technology and dedicated service spirit, we will concentrate on providing you with the best products and services. Our corporate values are the value judgment standards that every employee should believe in, which reflects the basic principles of how to effectively manage the enterprise, fulfill the mission and realize the vision.