FAG BT1900 Differential Bearing - Front or Rear

Reliable Differential Bearing for Lexus and Toyota Vehicles

The FAG BT1900 differential bearing is engineered to provide precise fitment and dependable performance for select Lexus and Toyota models. Designed with exacting dimensions, this bearing supports smooth driveline operation in vehicles such as the Lexus GX470 and Toyota Land Cruiser.

• Length options: 0.787 inches (20 mm)
• Bearing inside diameter: 1.969 inches (50 mm)
• Bearing outside diameter: 3.15 inches (80 mm)
• Part number: BT1900 for accurate identification
• Compatible with Lexus 4Runner, GX470, and Toyota FJ Cruiser, Land Cruiser

Technical Specifications and Design Details

The FAG BT1900 differential bearing features a precise inside diameter of 1.969 inches (50 mm) and an outside diameter of 3.15 inches (80 mm), ensuring a secure fit within the differential assembly. The length measurement options of 0.787 inches (20 mm) accommodate specific axle configurations found in compatible Lexus and Toyota models. This bearing is manufactured to meet OEM standards, supporting the driveline's rotational stability and reducing friction under load.

Compatible Vehicles and Applications

This differential bearing is compatible with the following vehicles:

• Lexus 4Runner
• Lexus GX470
• Toyota FJ Cruiser
• Toyota Land Cruiser

It is designed to replace worn or damaged differential bearings in these models, helping maintain proper axle alignment and driveline efficiency.

Common Issues Addressed by the FAG BT1900 Differential Bearing

• Eliminates differential noise caused by worn bearings
• Prevents excessive play in the axle assembly
• Reduces vibration during acceleration and deceleration
• Improves differential gear engagement and longevity
• Supports smooth torque transfer in off-road and on-road conditions

Installation Notes and Tips

When installing the FAG BT1900 differential bearing, ensure the bearing surfaces and housing are clean and free of debris. Proper lubrication is essential to prevent premature wear. Use appropriate tools to press the bearing into place without causing damage. Verify fitment against the vehicle’s service manual specifications for the Lexus 4Runner, GX470, Toyota FJ Cruiser, or Land Cruiser.

Quality Assurance and Warranty Information

FAG manufactures the BT1900 differential bearing to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, FAG bearings typically conform to industry standards for automotive driveline components, offering confidence in long-term use.