The transfer box is a key component that allows the Lada Niva to switch between 2WD and 4WD modes. Within the transfer box, bearings help distribute torque from the transmission to the front and rear drive shafts. Maintaining quality transfer box bearings is important for Niva performance and reliability.

How The Transfer Box Works

The transfer box in the Niva:

  • Contains a set of gears that can be engaged to send power to the front axle.
  • Allows the driver to switch between 2WD, 4WD high range and 4WD low range modes.
  • Has an differential that splits torque between the front and rear axles.
  • Includes oil seals and bearings to support rotating components and contain lubrication.

Transfer box bearings are located between the transfer case main shaft, drive shafts and selector forks. They allow these components to move and rotate freely while transmitting torque from the transmission.

The Role Of Transfer Box Bearings

Proper functioning bearings within the transfer box:

  • Absorb shock loads from rough terrain.
  • Reduce friction and noise from gear and shaft rotation.
  • Support the weight of rotating components and drive shafts.
  • Maintain proper alignment of gears and shaft assembly.
  • Distribute lubricating oil for component cooling and wear protection.

Failing transfer box bearings can cause:

  • Gear and shaft misalignment leading to damage.
  • Increased noise and vibration felt in the cabin.
  • Difficulty engaging 4WD modes or shifting the transfer box.
  • Reduced drive shaft and transmission component lifespan.

For optimum Niva performance, inspect transfer box bearings regularly and replace as needed:

  • Every 60,000 to 100,000 km for passenger Nivas.
  • More frequently for off-road or commercial use Nivas.

Use high-quality bearings specifically designed for the Lada Niva transfer box bearing:

  • With adequate dynamic load rating for transmission torque.
  • Compatible with transfer box lubricants.
  • Coated for corrosion and abrasion resistance.
  • Made from materials that can withstand Russian weather extremes.
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