SKF SET409 Wheel Bearing - Rear Inner

SKF SET409 Wheel Bearing for Ram 3500

SKF SET409 is a tapered roller wheel bearing set built for rear inner service on select Ram 3500 applications. It uses a 1.750 inside diameter, 4.125 outside diameter, and 1.187 width to match the specified hub and axle requirements for the listed fitment.

For 2019-2021 Ram 3500 rear inner use, this SKF wheel bearing is engineered for smooth, quiet rotation and dependable load support. The tapered roller design and precision raceway finish help maintain consistent bearing performance in demanding driveline service.

Key Features

• SKF SET409 tapered roller wheel bearing set
• 1.750 inside diameter for the specified axle fit
• 4.125 outside diameter for proper housing engagement
• 1.187 width for correct bearing spacing
• Rear inner position for 2019-2021 Ram 3500
• Designed for smooth, quiet operation
• Built to SKF quality standards for long service life

Detailed Description

SKF SET409 is a rear inner wheel bearing for 2019-2021 Ram 3500 dual rear wheel trucks with an 11.50-inch ring gear. The bearing set is designed around tapered roller construction, which supports radial and axial loads in wheel-end service. SKF’s precision manufacturing and smooth raceway finish help reduce operating noise and promote stable performance in the wheel bearing assembly. This part number, SET409, is a direct fit for the listed Ram 3500 application and is also referenced by several interchange numbers used in the same service category.

This part cross-references 30260 and 360325R1 for the same application.

What It Helps Address

• Wheel-end noise from a worn rear inner bearing
• Excessive play or looseness at the hub
• Rough rotation caused by bearing wear
• Heat buildup from deteriorated roller surfaces
• Load support issues in rear axle service

Installation Notes and Tips

Verify the inside diameter, outside diameter, and width before installation to confirm the bearing matches the hub and axle dimensions. Clean and inspect the bearing seat, spindle, and related sealing surfaces before assembly. Use proper bearing service procedures and torque specifications for the Ram 3500 rear inner position to help ensure correct preload and long-term performance.

Quality Assurance

SKF has more than 100 years of engineering and manufacturing experience in bearing technology. SET409 is produced to SKF quality standards for durability, smooth operation, and safety in wheel-end service.