National 203-FF Power Steering Pump Shaft Bearing

Power Steering Pump Shaft Bearing for OE-Style Repair

The National 203-FF power steering pump shaft bearing is a single-row radial ball bearing built to meet or exceed OE quality standards. With precise 17 mm bore dimensions and a 40 mm outside diameter, it is sized for service applications that require accurate shaft support and consistent pump operation.

Use this bearing when servicing a power steering pump shaft on vehicles such as Subaru Impreza, Honda Civic, and Ford applications that call for the 203-FF specification.

Key Features

• Part number: 203-FF
• Power steering pump shaft bearing, ball bearing design
• Single-row radial construction for steady shaft support
• 17.000 mm bore and 40.000 mm outside diameter
• 12.000 mm width for OE-style dimensional fit
• National premium bearing manufactured to exacting standards
• Cross-reference: Timken 203FF

Detailed Description

National 203-FF is a precision ball bearing for power steering pump shaft service. The bearing uses a single-row radial design with a 0.669-inch bore, 1.575-inch outside diameter, and 0.472-inch width, making it a direct dimensional match for applications that specify this size. National manufactures this bearing to meet or exceed OE quality, helping deliver consistent performance and extended bearing life in steering system repairs.

This part is used across a wide range of import and domestic vehicles, including many Subaru models, Honda Civic applications, and select Ford, Chevrolet, and Isuzu fitments. The 203-FF designation is also referenced in multiple interchange listings, which helps simplify parts matching during power steering pump rebuilds.

What This Bearing Helps Address

• Noise from a worn power steering pump shaft bearing
• Shaft play that affects pump alignment and operation
• Rough or inconsistent pump rotation during steering service
• Wear-related bearing failure inside the power steering pump
• Restoration work on OE-style steering pump assemblies

Installation Notes and Tips

• Verify bore, outside diameter, and width before installation.
• Confirm the pump uses the 203-FF bearing size and the correct shaft configuration.
• Inspect the shaft, seals, and housing for wear before pressing in the new bearing.
• Use proper bearing installation tools to avoid damage during assembly.
• Check vehicle-specific fitment details, including two-seal style and alternator-related notes where listed in the application data.

Quality Assurance

National manufactures this bearing to exacting standards and states that it is designed to meet or exceed OE quality. The result is a service part built for lasting performance and extended bearing life in power steering pump repairs.