more detail:
http://maruzar.blogspot.com/2014/09/w...

Bearing in this video has a ring with magnetic poles (SouthNorth) to create electric pulse when vehicle wheel is turning. It is NSK bearing part number ZA38BWD26E1 for front wheel of Honda City, Jazz, Fit, CRV, FRV, etc..

When replacing wheel bearing with integrated magnetic ring, always ensure direction in which bearing is installed. Magnetic ring must be positioned close to Antilock Braking System (ABS) sensor.

In this video, brown ring has magnet and must be positioned close to ABS sensor.