What about the airtightness of sealed ceramic bearings?

First, sealed ceramic bearings have two different sealing
When the tightness of ceramic bearings plays a key role in the operation of ceramic bearings, ceramic bearings have two different seals.

It comes with its own sealing;
From the added seal.
The so-called sealed ceramic bearings is that in the process of designing and manufacturing ceramic bearings, the importance of sealing to ceramic bearings has been considered; Therefore, when manufacturing ceramic bearings, the tightness is added to the ceramic bearing, and the ceramic bearing itself is naturally formed.

The sealing from the admiration, which does not exist in itself, is a sealing device that brings various properties to sealed ceramic bearings through other aspects such as mounting. Therefore, ceramic bearings have the characteristics of double-layer sealing. So, what aspects should be considered when choosing additional sealing?

Second, the aspects to be considered in addition to tightness
(1) should first consider the working environment of ceramic bearings, in what kind of environment to work, if it is in some of the more harsh environments to work, then, the sealing of ceramic bearings selection requirements are high, ceramic bearings only have good double-layer sealing, can ensure that sand, dust and other stolen goods can not enter the interior of the ceramic bearing, and affect the normal operation of the ceramic bearing.

(2) The sealing performance of sealed ceramic bearings is perfect ceramic bearing support structure, only the accurate circumferential speed of the ceramic bearing surface can allow ceramic bearings to have a slight deviation in angle, which shows that sealing is very important for ceramic bearings.

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