InMotion WT516004 Wheel Bearing - Rear

Rear Wheel Bearing for Infiniti Q45 and J30

InMotion WT516004 is a rear wheel bearing built with a cylindrical, tapered, two-row design for stable rotational support and reduced friction. It is engineered for rear applications on select Infiniti models, including the Q45 and J30, with dimensions that match the listed service requirements.

Key Features

• Part number WT516004
• Rear wheel bearing application
• Cylindrical bearing construction
• Taper bearing type
• Two-row bearing design
• Inside diameter: 1.693 in. / 43 mm
• Outside diameter: 2.874 in. / 73 mm
• Width: 1.614 in. / 41 mm
• No flange included
• Non-ABS configuration
• Gen 1 bearing generation

Detailed Description

WT516004 is a rear wheel bearing for 1997-2001 Infiniti Q45 and 1993-1997 Infiniti J30. The bearing’s tapered, cylindrical, two-row construction supports smooth wheel rotation and consistent load handling in rear driveline service. InMotion WT516004 is specified with a 43 mm inside diameter, 73 mm outside diameter, and 41 mm width for a direct-match replacement search.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Wheel noise from a worn rear bearing
• Excessive play at the rear hub assembly
• Rough or inconsistent wheel rotation
• Vibration related to bearing wear
• Reduced rear-end stability caused by bearing deterioration

Installation Notes and Tips

Confirm rear position, non-ABS configuration, and all listed dimensions before ordering. Compare the old bearing’s inside diameter, outside diameter, and width to WT516004 to verify match-up on the Infiniti Q45 or Infiniti J30. Proper press-fit service and clean mating surfaces help support correct installation and bearing life.

Quality Assurance

InMotion manufactures this bearing from high-quality materials for dependable service across automotive and industrial use cases. WT516004 is built for consistent operation, durability, and repeatable performance in rear wheel bearing service.