InMotion RB6004-2RS Power Steering Pump Shaft Bearing

Power Steering Pump Shaft Bearing for BMW

The InMotion RB6004-2RS is a sealed ball bearing for steering and rotating assemblies where low friction and stable shaft support matter. With a 0.787 in inside diameter, 1.654 in outside diameter, and 0.472 in width, it is built for compact applications that need smooth, consistent rotation.

Compatible with select BMW 735i and BMW 528i applications, this bearing is a direct-fit option for owners servicing a power steering pump shaft bearing. The sealed design helps retain lubrication and keep contaminants out during everyday operation.

Key Features

• Part number: RB6004-2RS
• Sealed 1-row ball bearing construction
• Inside diameter: 0.787 in
• Outside diameter: 1.654 in
• Width: 0.472 in
• Round profile with 38 mm housing bore
• Inner and outer race radius: 0.6 mm
• Built for rotational support in steering-related assemblies

Detailed Description

InMotion RB6004-2RS is a round, sealed ball bearing engineered for applications that require steady shaft support and reduced friction. Its dimensions and sealed construction make it suitable for power steering pump shaft service where smooth rotation and durability are important. This part number, RB6004-2RS, is listed for 1985-1986 BMW 735i and 1979-1981 BMW 528i applications.

This part cross-references no listed interchange numbers in the provided data.

What It Helps Address

• Excessive shaft play in a steering pump assembly
• Rough or noisy bearing rotation
• Friction-related wear in rotating components
• Contamination intrusion in a sealed bearing location
• Loss of smooth pump shaft support

Installation Notes and Tips

Verify the bearing dimensions against the original component before installation. Confirm housing bore, shaft size, and bearing width match the application, especially when servicing a BMW 735i or BMW 528i steering-related assembly. Clean the bore and inspect the shaft for scoring or wear before pressing in the new bearing.

Quality Assurance

InMotion supplies this bearing as a multi-purpose, high-quality component for automotive and industrial use. The sealed ball bearing design supports reliable operation across rotating applications, including steering pump shaft service.