SKF SDK320-CMK Axle Differential Bearing and Seal Kit - Rear

SKF Differential Bearing and Seal Kit

SKF SDK320-CMK is an axle differential bearing and seal kit for rear differential service on select Chevrolet, GMC, Oldsmobile, Pontiac, and Isuzu applications. It is built around the 11.0000 inside diameter and 2.500 width specification, with DIFF2TP bearing type details for the listed fitments.

For rear differential repair on vehicles such as the Chevrolet S10, GMC Sonoma, and Chevrolet Blazer, this SKF kit provides the core bearing and sealing components needed for a complete service. SKF part number SDK320-CMK is also referenced in applications that use a 7.5-inch ring gear.

Key Features

• Axle differential bearing and seal kit for rear service
• Inside diameter: 11.0000
• Width: 2.500
• Bearing type: DIFF2TP
• SKF bearings include matching cones and cups
• Seals use SKF Bore-Tite coating for improved sealing performance
• Designed for differential repair on 7.5-inch ring gear applications

Detailed Description

SKF SDK320-CMK is engineered for differential service where bearing wear, seal leakage, or driveline noise has developed in the rear axle assembly. SKF manufactures the bearings, seals, and related service components to meet or exceed original equipment specifications, helping restore proper differential operation on vehicles including the Chevrolet Astro, GMC Safari, and Pontiac Firebird. The kit is built for the listed rear applications and supports a complete repair approach for the differential assembly.

This part cross-references 000 981 86 81 and 90368-30002 for the same application.

What It Helps Fix

• Rear differential bearing noise or rough operation
• Oil seepage at differential seals
• Wear-related backlash or bearing play concerns
• Service needs on 7.5-inch ring gear rear axles
• Repeat repairs caused by incomplete bearing and seal replacement

Installation Notes and Tips

• Verify rear axle and ring gear specifications before installation.
• Inspect the differential housing, gears, and axle surfaces for wear or scoring.
• Replace worn bearings and seals together during differential service.
• Follow factory service procedures for preload, backlash, and seal installation.
• Confirm fitment for the exact year, make, model, and rear axle configuration before ordering.

Quality Assurance

SKF designs and manufactures driveline service components to high quality standards for long service life and safety. The included bearings and seals are produced to OE-level specifications for the listed applications.