FAG 6004-2RSR Power Steering Pump Shaft Bearing

Power Steering Pump Shaft Bearing for BMW

The FAG 6004-2RSR is a precision deep groove ball bearing used in power steering pump shaft applications where consistent rotation and dimensional accuracy matter. Built to OEM standards, it supports smooth pump operation in select BMW 735i and 528i models.

• Inside diameter: 20 mm (0.787 in)
• Outside diameter: 42 mm (1.654 in)
• Width: 12 mm (0.472 in)
• Sealed design for bearing protection in steering system service
• OE-style replacement for power steering pump shaft applications

Detailed Specifications

FAG part number 6004-2RSR is a 20 x 42 x 12 mm bearing engineered for precision fit and reliable operation in steering-related assemblies. As part of Schaeffler’s OE-focused bearing range, it is manufactured to exact OEM standards for applications that require stable performance and long service life. This bearing cross-references SKF 6004-2RSJ for the same application.

Compatible With 1985-1986 BMW 735i and 1979-1981 BMW 528i, this bearing matches the listed dimensions for the power steering pump shaft position. If you are servicing a BMW 735i or BMW 528i steering system, verify the dimensions against the original bearing before installation. The FAG 6004-2RSR is also referenced by part number 6004-2RS, making it easier to confirm the correct replacement during repair.

Common Issues This Bearing Can Address

• Shaft play in the power steering pump
• Rough or noisy bearing rotation
• Wear from age, heat, or contamination
• Loss of smooth pump operation in steering service
• Replacement needs during steering pump rebuilds

Installation Notes and Tips

Confirm the bearing dimensions, 20 mm inside diameter, 42 mm outside diameter, and 12 mm width, before pressing it into the assembly. Clean the shaft and housing thoroughly, inspect for scoring or wear, and use proper bearing installation tools to avoid damage to the races or seals. For BMW 735i and BMW 528i steering repairs, compare the original bearing and housing condition before final assembly.

Quality Assurance

FAG is part of Schaeffler, an OE manufacturer known for bearings built to OEM specifications for precision and reliability. The 6004-2RSR reflects that engineering approach for steering and transmission-related service applications.