Super precision ball bearing mainly bear radial load and have the advantages of high speed and low noise. super precision ball bearing mainly suitable for all kinds of industrial equipment, small rotary motor of high speed low noise field, such as: office equipment, micro motor, instrument, laser engraving, small clock, soft drive, pressure rotor, dental drill, drive motor, stepping motor, VCR magnetic drum, toy models, computer cooling fan, paper, fax machine, and so on related areas.
1, check whether the outer packaging of super precision ball bearing is clear
Under normal circumstances,super precision ball bearing factory brands have their own special designers to design external packaging, and arrange the production conditions of the factory to produce, so the packaging of super precision ball bearing is very clear from lines to color blocks, no ambiguity.
2. Whether the steel seal of super precision ball bearingis clear
Brand words, labels and so on will be printed on the bearing body. The font is very small, but most of the factory production using steel printing technology, and without overheating before pressing the word, so although the font is small, but concave deep, very clear. The font of counterfeit products is not only fuzzy, because of the rough printing technology, the font floating on the surface, some can even be easily wiped by hand.
3, whether there is noise
The left hand holds the bearing inner sleeve, and the right hand rotates the jacket to listen for noises. Due to the production conditions of most counterfeit products are backward, completely manual workshop operation, in the production process will inevitably be mixed with sand impurities, hidden in the bearing body, so when rotating will give out noise. This is the biggest difference from the factory brands that strictly follow production standards and are operated by machines.
4. Whether there are muddy oil stains on the surface of super precision ball bearing.
If you need super precision ball bearing or need any other bearings, please feel free to contact me!
Contact: Leon
Email: nsk@zyslbearing.com
Skype: lh19881023
MP/Whatsapp: +8615098916271
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