SKF 20405 Wheel Seal - Front

SKF 20405 Wheel Seal for Mazda RX-7

SKF 20405 is a front wheel seal built for the 1986-1991 Mazda RX-7. It is specified with a polyacrylate sealing surface and precise dimensional sizing to support a proper seal at the wheel end.

Key Features

• Front wheel seal for 1986-1991 Mazda RX-7 applications
• Part number 20405 for direct catalog identification
• Outside diameter: 2.493 in.
• Shaft diameter: 2.047 in.
• Width: 0.315 in.
• Polyacrylate sealing surface type
• SKF engineered sealing design for driveline and axle service

Product Details

SKF 20405 is a wheel seal used in driveline and axle sealing applications where lubricant retention and contamination control are critical. SKF has a long history in seal design, and this part reflects that focus with application-specific dimensions and premium sealing materials. For Mazda RX-7 front service, the 20405 seal helps maintain the sealing interface at the wheel end while matching the listed shaft diameter, outside diameter, and width requirements.

This part cross-references CHR 20405 and FB01-33-065A for the same application. If you are searching for a front wheel seal for a 1986-1991 Mazda RX-7, SKF 20405 is the catalog number to verify against your original part.

What It Helps Address

• Gear oil or lubricant leakage at the wheel seal area
• Contamination entering the sealed hub or axle interface
• Wear-related sealing loss on front axle service
• Replacement needs during driveline and axle maintenance
• Fitment verification for Mazda RX-7 front wheel seal applications

Installation Notes and Tips

Confirm the shaft diameter, outside diameter, and width against the removed seal before installation. Clean the sealing bore and shaft surface thoroughly, and inspect the mating surfaces for scoring, corrosion, or debris that could affect sealing performance. For 1986-1991 Mazda RX-7 front applications, verify that SKF 20405 matches the original seal dimensions and position before assembly.

Quality Assurance

SKF manufactures seals to defined application specifications using materials selected for the operating environment. The brand’s seal engineering background and long-term focus on lubricant retention and contamination control support consistent fit and function in wheel seal service.