Engine Crankshaft Bush
Product Title: Engine Main Bearing
Product Model:495B-01033A for Xinchai 495B/498B Engine
Products Photos
Products Parameters
|
Item |
Description |
|
Product Name |
Engine Main Bearing (495XC)+0.00 |
|
P/N |
495B-01033A |
|
Applied Model |
Forklift Truck with Xinchai Engine 495B/498B |
|
Net Weight (kg) |
0.70 |
|
Gross Weight (kg) |
1.20 |
|
Qty per Carton |
1 set/box |
|
Carton Size (cm) |
21*12*6 |
Products Description
The Structure of Main Bearings:
Main bearings are typically composed of two main parts: the main bearing itself and the shims. The main bearing has a large oil groove and several oil holes that facilitate the delivery of engine oil to the connecting rod bearings (also known as wrist or pin bearings). The shims, when placed between the main bearing and the cap, help form an oil film, which protects the bearings by reducing friction and wear.
Materials Used in Main Bearings:
Main bearings must possess high strength, hardness, and wear resistance to withstand the high loads and long periods of operation typical in engines. Common materials used for main bearings include copper-based alloys and steel-based alloys. These materials are chosen for their ability to handle the stresses involved and maintain a durable, low-friction surface that supports the crankshaft effectively.
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