Common Problems Of NSK Bearings

wallpapers Environment 2021-01-21

NSK bearings, NSK's main products are bearings, NSK Bearing Company, due to excellent quality and considerate service, NSK company's business is also progressing rapidly. NSK uses a well-structured intelligence network to combine the four regions of Japan, Europe, America, and Asia-Pacific into a four-pole system. Due to China's pivotal position, the development of NSK's business in China will further improve the four-pole system.


Common problem


Inspection and acceptance


To check NSK bearings, users must have the following knowledge:

(1) Which standard is used for the inspection of NSK bearing products;

(2) What are the inspection items of NSK bearing products, and why should they be inspected;

(3) What preparatory work needs to be done before the quality inspection of NSK bearing products, and why should these preparatory work be done;

(4) Under what conditions, what methods and instruments are used for each inspection item of NSK bearing products, and what tolerance range must the inspection results be considered qualified;

(5) Sometimes NSK bearing products are in large quantities, and it is impossible to carry out 100% inspection. So what kind of sampling plan and how many samples should be used for inspection can represent the quality of all commercial bearings more comprehensively and reliably. The results of the inspection are measured according to what standard to determine whether this batch of goods is a qualified batch that should be accepted or an unqualified batch that should be rejected.


The acceptance inspection of NSK bearings can generally be divided into three categories, namely:

Routine inspection-A general inspection routinely performed when NSK bearings arrive.

Routine inspection-check the dimensional accuracy, rotation accuracy, bearing clearance and residual magnetic strength of the bearing related to the assembly of NSK bearings.

Special inspection-check the vibration quality, noise quality and other special requirements of NSK bearings.

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