SKF SDK325-BMK Axle Differential Bearing and Seal Kit - Rear

SKF Axle Differential Bearing and Seal Kit

SKF SDK325-BMK is an axle differential bearing and seal kit for rear applications that require a 10.5" ring gear. It is built for Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, GMC Savana 3500, and other listed GM heavy-duty rear axle applications.

With matched bearing cones and cups, precision seals, and application-specific sealing components, this kit is organized for a complete differential service on the rear axle. The SKF SDK325-BMK is a practical choice when servicing noise, leakage, or wear in the differential assembly.

Key Features

• Axle differential bearing and seal kit for rear axle service
• Inside diameter: 11.0000
• Width: 2.500
• Bearing type: DIFF2TP
• Includes matched bearing cones and cups
• SKF seals use Bore-Tite coating for improved sealing performance
• Built for applications with a 10.5" ring gear

Detailed Description

SKF SDK325-BMK is engineered for rear differential repair on a wide range of Chevrolet and GMC trucks and vans, including Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, Chevrolet Express 2500, and GMC Savana 3500. The kit is designed around the bearing and sealing components needed for differential service, helping restore proper axle operation after wear, contamination, or seal failure. This part number, SDK325-BMK, is also a useful reference when matching service parts for GM rear axle repairs.

SKF manufactures the bearings and seals to OE-level specifications, and the seals are built with Bore-Tite coating to improve sealing at the housing interface. This part cross-references 1458HM903249 and JD8012R for the same application.

What It Helps Repair

• Rear differential bearing noise
• Gear oil leaks at the axle seal area
• Wear-related looseness in the differential assembly
• Service issues after axle teardown or inspection
• Repeat repairs caused by worn bearings or sealing surfaces

Installation Notes and Tips

Confirm rear axle configuration and ring gear size before ordering. This kit is listed for rear applications with a 10.5" ring gear on models such as Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, Chevrolet Express 3500, and GMC Savana 2500. During installation, inspect the housing, races, and sealing surfaces for scoring or damage, and replace any worn components that could affect bearing preload or seal performance. Proper setup of the differential is important for quiet operation and long service life.

Quality Assurance

SKF designs and manufactures driveline service components to meet or exceed original equipment specifications. The matched bearing sets and coated seals are intended to support accurate fitment and durable service in demanding rear axle applications.