How to solve the electric erosion of TIMKEN bearings

     The so-called electric erosion refers to the fact that the current retracts the spark through a thin smooth oil film when the contact portion of the bearing roller and the rolling element are moved, and the ground melting and unevenness of the appearance portion.

     The ground potential difference between the outer ring and the inner ring. When setting the circuit, the current does not flow through the bearing portion. Insulate the bearing.

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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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