Ceramic bearing cycling high strength, wear resistance, high temperature and other advantages, so that many riding friends love to use.
Ceramic bearing cycling requirements for installation surface and installation site
If iron filings, burrs, dust and other foreign matter enter ceramic bearing cycling, it will make bearing produce noise and vibration during operation, and even damage raceway and rolling body.Therefore, before installing ceramic bearing cycling, you must ensure that the installation surface and installation environment is clean.
Fit and clearance of ceramic bearing are required by high-precision bearing of ceramic bearing as well as high-temperature bearing. Therefore, when considering fit and clearance, the following points should be taken into account:
Size change and hardness change when rising from room temperature to high temperature;
The change of force system and shape caused by centrifugal force at high speed.
In a word, it is difficult to maintain the precision and working performance of the ceramic bearing cycling from the choice of fit and clearance under the condition of high speed and high temperature.
In order to ensure that the raceway deformation after bearing installation is small, the interference fit cannot be too large, and the centrifugal force at high speed and thermal expansion at high temperature, or offset the normal pressure on the mating surface.Therefore, the interference amount must be carefully calculated on the premise of considering the above two factors. The effective interference amount at normal temperature and speed may not be effective for ceramic bearing cycling.
When considering the clearance of ceramic bearing, not only the above factors should be considered, but also the influence of the thermal elongation of the shaft on the clearance. It is required that the bearing has the best clearance under the working condition, that is, at the working temperature, and such clearance is formed under the condition that the center of the inner and outer ring groove is precisely aligned.
If you need ceramic bearing cycling or need any other bearings, please also contact me!
Contact: Leon
Email: nsk@zyslbearing.com
Skype: lh19881023
MP/Whatsapp: +8615098916271
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