Date: 2013-08-20

INA double row deep groove ball bearings running noise

Many people use the installation of improper methods in the installation of double deep groove ball bearings, causing damage to the INA bearings. So how to correct installation bearing? I hope you a more comprehensive understanding of bearing installation:
When installed, can according to its type and size, select machinery, heating or hydraulic methods. But in any case, can not directly strike the bearing rings, cage, rolling body or seal. The force applied on the installation of double deep groove ball bearings, can not pass through the rolling bearing ring from one INA to another bearing ring, otherwise it may cause damage to the raceway.
For the double deep groove ball bearing ring clearance, advice on surfaces coated with a thin layer of anticreep corrosion agent, to prevent corrosion produced with the friction between the surface.
The correct installation, is very important for the use of double deep groove ball bearings. Hope that we can correct installation methods used in the future.
Double deep groove ball bearings have a minor operation noise, the noise is in decibels. Causes of INA bearing noise is more complex. The main reason is:
1, due to improper installation of the uneven stress produces double deep groove ball bearing noise.
2, because the ball diameter is not uniform, and the inner and outer ring friction bearing noise.
3, because the double deep groove ball bearings, uneven surface. The bearing noise.
Control of raceway acoustic methods are: the selection of bearing low noise double deep groove ball bearings which waviness small, carefully select the use conditions. Rolling road sound often affects the entire mechanical noise, reduce rolling road sound can reduce the noise of the whole machine.
On the rolling control method for impact sound: appropriate reduction of radial clearance, the use of reasonable structure and materials to maintain double deep groove ball bearing frame compliance.
Take special processing methods on the outer ring raceway can prevent creak appears, when necessary, can use the double deep groove ball bearings, or appropriate INA bearing radial clearance reduction, using high performance greases and improve and double deep groove ball bearing matching parts rigidity.

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