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.