Silicon nitride all ceramic NSK bearing

Silicon nitride all-ceramic NSK bearing rings and rolling elements are made of silicon nitride (Si3N4) ceramic material, and the holder is made of polytetrafluoroethylene (PTFE) as standard. RPA66-25, PEEK, PI, and phenolic can also be used. Cloth bakelite pipe, etc. The SiN4 all-ceramic NSK bearing is comparable to the ZrO2 material for higher speeds and load capacities, as well as for higher ambient temperatures. At the same time, it can provide precision ceramic bearings for high-speed, high-precision and high-rigidity spindles with the highest manufacturing precision from P4 to UP.

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Ways to control the effects of bearing noise

Generally speaking, in order to control the noise influence of the rolling bearing, it is necessary to take countermeasures against the root cause of these noises in order to receive the effect of the root cause. The main route is:

(1) Select low noise bearings;

(2) Try to eliminate noise from the application of the bearing,

(3) Avoid resonance with the host and avoid resonance sensitive speed;

(4) When other methods are ineffective, take additional measures for sound insulation and noise reduction.

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