National 105-CC Drive Shaft Center Support Bearing

Overview of National 105-CC Drive Shaft Center Support Bearing

The National 105-CC Drive Shaft Center Support Bearing is engineered for reliable driveline performance in select Mercedes-Benz models. Designed with precision, this bearing supports the drive shaft to reduce vibration and maintain alignment, ensuring smooth operation for vehicles like the Mercedes-Benz 190E, 260E, and E320.

• Single row radial ball bearing design
• Inner race bore diameter of 0.984 inches (25 mm)
• Outer race outside diameter of 1.850 inches (47 mm)
• Width of 0.472 inches (12 mm) for compact fitment
• Compatible with Mercedes-Benz 190E, 260E, 300E, C220, C230, C240, and E320 models

Technical Specifications and Design Details

This drive shaft center support bearing features a single row radial ball bearing design, providing dependable radial load support. The inner race bore measures 0.984 inches (25 mm), matching the drive shaft diameter for a secure fit. Both the inner and outer races have a width of 0.472 inches (12 mm), with an outer race diameter of 1.850 inches (47 mm), ensuring proper alignment and stability. The inner race radius of 0.024 inches (0.610 mm) contributes to smooth rotation and reduced wear.

Compatible Mercedes-Benz Models

The National 105-CC is specifically compatible with a range of Mercedes-Benz vehicles, including the 190E, 260E, 300E, C220, C230, C240, and E320. This compatibility ensures that the bearing meets the precise specifications required for these models’ driveline systems.

Common Applications and Problem Resolution

• Reduces drive shaft vibration and noise
• Prevents misalignment of the drive shaft
• Supports the drive shaft to avoid premature wear
• Eliminates excessive play in the driveline
• Maintains smooth rotational movement under load

Installation Notes and Tips

When installing the National 105-CC drive shaft center support bearing, ensure the drive shaft is clean and free of debris. Proper alignment during installation is critical to avoid premature bearing failure. Use appropriate tools to press the bearing into place without damaging the races. Verify fitment with the vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

National bearings are manufactured to meet industry standards for durability and performance. The 105-CC drive shaft center support bearing undergoes rigorous quality control to ensure consistent dimensions and material integrity. This part is backed by National’s standard warranty, providing coverage against manufacturing defects for a specified period.