InMotion WT15123 Wheel Bearing - Front Inner, Rear or Rear Inner

Wheel Bearing for Driveline Service

InMotion WT15123 is a taper wheel bearing built from high-quality materials for smooth rotation, reduced friction, and stable operation in automotive and industrial use. With a 1.25 in. inside diameter and 0.75 in. width, this bearing supports precise fitment where a cylindrical bearing profile is required.

Compatible With applications such as 1988-1989 Mercury Tracer rear inner, 1987-1988 Mazda 323 rear inner, and 1969-1974 Toyota Pickup front inner. The WT15123 also appears in select Chrysler, Jaguar, Rover, and Toyota driveline applications, including 1950-1954 Chrysler New Yorker front inner and 1981-1983 Jaguar XJ12 with 5-Speed Rover CL Transmission.

Key Features

• Taper bearing construction for rotational support and load handling
• 1.25 in. inside diameter / 31.75 mm inside diameter
• 0.75 in. width / 19.05 mm width
• Universal-style bearing design for multiple automotive and industrial uses
• Built for consistent operation and reduced friction
• Part number WT15123 for catalog and service identification

Detailed Description

WT15123 is an InMotion wheel bearing engineered for driveline and axle service where dependable bearing performance matters. Its taper bearing design and cylindrical profile support smooth rotation and stability across a range of vehicle applications, including Mercury Tracer rear inner service, Mazda 323 rear inner service, and Toyota Pickup front inner service. The bearing’s dimensions make it a practical replacement choice when matching the specified inside diameter and width is critical. WT15123 is also referenced in older Chrysler, Jaguar, Rover, and Toyota applications, making it a useful service part for technicians working across multiple platforms.

What It Helps Address

• Wheel end noise caused by worn bearing surfaces
• Excessive friction in rotating driveline components
• Loose or unstable wheel support at the hub or axle end
• Service issues on rear inner and front inner bearing positions
• Replacement needs for older Mercury Tracer, Mazda 323, and Toyota Pickup applications

Installation Notes and Tips

Verify the bearing dimensions, position, and application before installation. Match the inside diameter and width to the original specification, and confirm whether the vehicle uses rear inner, front inner, or another listed position. Clean the bearing seat and inspect related seals, races, and hub components for wear before assembly. For fitment-specific service, confirm the exact year, make, model, and notes such as 5.6 in. ring gear or 5-Speed Rover CL Transmission where listed.

Quality Assurance

InMotion manufactures WT15123 as a multi-purpose bearing using high-quality materials for durable service and consistent performance across automotive and industrial environments.