17*40*12 mm KOYO deep ball bearing 6203 NTN NACHI bearing made in japan

 17*40*12mm KOYO  deep ball bearing 6203bearing NTN NACHI  bearing made in japan  

KOYO deep groove ball bearings:

1. The installation is correct, that affects precision, life, performance. And fill the bearing with lubricant after installation.

2. Don't allow strong impact, such as hammer striking, transfer roller pressure

3. Use the accurate installation tool, avoid to use cloth kind and short fibers

4. Lubricate the bearing to avoid rust with high quality mineral oil, especially in summer

5. General inspection, such as the surrounding temperature, vibrate, noise inspection

6. Keep bearing cleaning from dirt, dust, pollutant, moisture.

7. Bearing should not be ultra cooled.

Advantage: 

a.Most representative bearing of the rolling bearings

b.Suitable for high speed even extremely high speed

c.Durable, less maintenance frequency

d.Simple structure and low cost

e.Various size and designs

                                                           Koyo deep ball bearing                                                 

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