How do you accurately determine the fault of the needle roller bearing?

Just as we know,Needle roller bearings are widely used in mechanical applications today. Even under the toughest conditions these Needle roller bearings are very reliable. They have a considerable service life under normal operating conditions.

The latest research shows that only one percent of needle roller bearings do not reach the expected service life.

This shows when the needle bearing fails prematurely,

Most needle bearing failures, such as spalling, pitting, spalling, skewing, creeping, corrosion, rust, and abnormal wear patterns, are caused by a relatively small set of causes.
These reasons are usually interrelated and can be corrected at the same time.

The main causes of needle roller failure include installation, installation, working stress, environmental impact and bearing selection.
Proper lubrication is critical to increasing the life of needle bearings. It helps to cover the rolling and sliding surfaces with a thin film of oil to avoid direct metal to metal contact.

It will increase the life of the needle bearing.
We need to lubricate the surface with grease,it's very easy to handle, and will help us to simplify the sealing system.

Oil is a good lubricant for high temperature or high speed operation.
The following reasons can cause the neelde roller bearing failure: using the wrong lubricant, using too much grease or lubricating oil,

using too little grease or lubricating oil, mixing grease and lubricating oil, or using contaminated Grease/lubricating oil.

The installation and installation process also will cause bearing roller failure.
During installation and installation,we must use the appropriate tools.

In order to extend the needle roller bearing life, the misalignment and shaft deflection should be minimized.
Operating pressure is another cause of needle bearing failure.

The factors in a large application can be changed at any time. it can cause overload and early stress if the load is too high.

And slippage may occur if the load is too low. Abnormal noise and temperature rise are the first signs of such problems.

This is how the operating stress in the application affects the life of the needle bearing.

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