SKF 18550 Wheel Seal - Rear

SKF 18550 Rear Wheel Seal for Chevrolet Bel Air

SKF 18550 is a rear wheel seal built for 1955-1956 Chevrolet Bel Air applications. It is designed with a nitrile sealing surface and precise dimensions to help retain lubricant at the wheel end while keeping road contaminants out.

Key Features

• Fits 1955-1956 Chevrolet Bel Air, rear
• SKF part number 18550
• Nitrile sealing surface type for dependable sealing performance
• Outside diameter: 2.402 in.
• Shaft diameter: 1.875 in.
• Width: 0.256 in.

Detailed Description

SKF 18550 is a wheel seal engineered for rear axle service on the Chevrolet Bel Air. The seal dimensions are specified for accurate fitment, including a 2.402-inch outside diameter, 1.875-inch shaft diameter, and 0.256-inch width. The nitrile sealing surface is selected for sealing performance in driveline and axle environments where lubricant retention and contamination control are critical. This part cross-references A1805A443 for the same application.

Common Problems It Can Help Address

• Gear oil or lubricant leakage at the rear wheel end
• Contamination entering the hub or axle seal area
• Seal wear from age, heat, and road exposure
• Noise or service issues related to compromised sealing
• Maintenance needs on 1955-1956 Chevrolet Bel Air rear axle service

Installation Notes and Tips

Verify shaft diameter, outside diameter, and width against the original seal before installation. Clean the sealing surfaces thoroughly and inspect the hub and axle components for wear, scoring, or corrosion that could affect seal performance. For best results, install the seal squarely and confirm proper seating before returning the vehicle to service. Fits 1955-1956 Chevrolet Bel Air, rear.

Quality Assurance

SKF has a long history in seal design and manufacturing, with products built to specific designs and premium materials for the intended application and operating environment. SKF seals are produced to high quality standards to support long service life and safety.