National SBK-3 Axle Spindle Bearing - Front Inner

Axle Spindle Bearing Kit for Front Inner Service

The National SBK-3 axle spindle bearing kit is built for front inner wheel-end repair on select heavy-duty trucks and 4x4 applications. It includes the bearing and seal components needed to complete the service, making it a direct replacement option for common front axle maintenance.

Compatible With Ford F-250, Ford F-350, Dodge W250, Dodge W350, Chevrolet K30, Chevrolet V30, Chevrolet V3500, and GMC K3500 front inner applications listed below.

• National SBK-3 axle spindle bearing kit for front inner service
• Includes seal for a complete bearing-and-seal repair
• Application-specific fitment for select Dana/Spicer front axle setups
• Cross-references Timken SBK3 and SKF BK3 for the same application
• Fits multiple Ford, Dodge, Chevrolet, and GMC heavy-duty front axle configurations

Detailed Fitment and Application

National SBK-3 is an axle spindle bearing kit used on front inner positions where the spindle bearing and seal are serviced together. It is listed for 1977-1993 heavy-duty truck applications, including Ford F-250 and F-350 models with independent front suspension or Spicer axle configurations, plus Dodge W250 and W350, Chevrolet K30 and V30, Chevrolet V3500, and GMC K3500 front axle setups. This part number, SBK-3, is a practical OE-style replacement for front axle bearing service on these vehicles.

This part cross-references Timken SBK3 and SKF BK3 for the same application.

What It Helps Repair

• Front wheel-end noise caused by worn spindle bearings
• Grease leakage at the front inner axle seal area
• Excessive play or roughness in the front axle spindle assembly
• Service issues on Dana/Spicer front axle bearing locations
• Maintenance needs on older Ford, Dodge, Chevrolet, and GMC 4x4 trucks

Installation Notes and Tips

Verify axle type, ring gear size, and front inner position before ordering. This kit is listed for specific Spicer 50.5, 60-3F, 60-7F, and 60-F front axle configurations, so matching the axle details to the vehicle is important. Clean and inspect the spindle, hub, and related wear surfaces during installation, and replace any damaged components found during disassembly.

Quality Assurance

National supplies bearing and seal kits as complete repair solutions for the listed application. The SBK-3 is cataloged for direct fitment on the vehicles shown and is backed by National’s established driveline and bearing product coverage.