NSK-Warner Electrical Bypass Plate & Maji-Ring for e-Axle Bearing Protection

Issue

The oil film undergoes Insulation breakdown, allowing electrical current to pass through the bearing.

The current flows through the following components:

• housing (fixed)
• bearing
• shaft (rotation)

This results in Electrical Corrosion.

Electrical Corrosion

Electrical corrosion causes a rough raceway surface → NVH.

EMC

Electrical Devices → Noise

Solution

• EByP
  • Create a stable current path
  • Space-saving: axial direction 0.15 mm

The electrical current is guided through EByP, creating a stable current path.

• Maji-Ring
  • Block the flow of electric current
  • Bearing creep resistance

The Maji-Ring blocks the flow of electric current through the bearing.