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How To Select INA Bearing Type
How To Select INA Bearing Type
2021-12-11
How To Select FAG Bearing Type
How To Select FAG Bearing Type
2021-12-11

Selection Of Low Noise SKF Imported Bearings

 

Rolling bearing with low noise requirements

Among the standard bearings produced, some single row radial ball bearings and short cylindrical roller bearings have low-noise varieties for motor bearings. Wherein, the inner diameter of ball bearing φ 2.5mm to φ 60mm has several varieties with three suffixes of ZL, Z2 and Z3, which correspond to three different low-noise requirements respectively. Among the roller bearings, there are eight models from n309 to n322, which are also manufactured according to the low-noise standard. These imported bearings can be fully applicable to other machines with low noise requirements, and the price is cheap. If the type and size can meet the requirements, try to use these two types of low noise imported bearings.

Selection Of Low Noise SKF Imported Bearings
 
Imported bearings with relatively low noise are adopted

When the above two types of low-noise imported bearings cannot be used, the imported bearing with relatively low noise can be used. The specific comparison basis is as follows:

 

1) The noise of ball bearing is lower than that of roller bearing, and the (friction) noise of imported bearing with less sliding is lower than that of imported bearing with more sliding;

 

2) The noise of the imported bearing using the solid cage is relatively lower than that of the imported bearing using the stamping cage; The noise of imported bearings with plastic cages is lower than that of imported bearings with the above two cages; Those with a large number of balls, thick outer ring and low noise,

 

3) The noise of imported bearings with high precision, especially those with higher rolling element precision, is relatively lower than that of imported bearings with low precision,

 

4) The noise of small inlet bearing is relatively lower than that of large inlet bearing. For example, the noise of radial ball bearing is lower than that of short cylindrical roller bearing, and the noise of short cylindrical roller bearing is lower than that of tapered roller bearing.

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