Wheel Hub, Steering Knuckle Component Installation Note

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Apply grease (L2Y1 33247) to the wheel bearing inner race and drive shaft contact surface (Area A in figure).
Install the wheel hub, steering knuckle component.

Fig 1: Identifying Wheel Bearing Inner Race And Drive Shaft Contact Surface (Area A)
Courtesy of MAZDA MOTORS CORP.