Timken HA590156K Wheel Bearing and Hub Assembly - Front

Timken Front Wheel Hub Assembly

The Timken HA590156K is a front wheel bearing and hub assembly built for driven applications that need stable wheel support, low runout, and consistent ABS signal performance. It is a direct-fit option for select Saturn front applications, including Saturn SC1, SC2, SL, SL1, SL2, SW1, and SW2 models.

Key Features

• OE-developed testing helps control design, materials, and manufacturing process
• Low runout helps reduce noise and vibration while supporting braking performance
• Premium bearings use precision profiles, uniform internal geometry, and enhanced surface finishes
• Premium seal design includes a reinforced outer case, ribbed rubber inner diameter, contamination exclusion features, and vent holes
• ABS sensor is 100% tested to monitor wheel speed for Anti-lock Braking Systems
• 33 spline driven hub design with 4 wheel studs
• Bolt circle diameter: 100 mm (3.937 in.)

Detailed Description

Timken HA590156K hub bearing assembly is engineered for front-wheel applications that require dependable wheel support and accurate wheel-speed monitoring. The driven hub design, 33 spline count, and 4-stud bolt pattern make it a direct replacement for select Saturn front hub applications. Timken’s bearing construction focuses on internal geometry control and refined surface finish to support load capacity and bearing life, while the seal design helps maintain sealing integrity in demanding road conditions. This part cross-references SKF BR930156K for the same application.

What It Helps Solve

• Wheel bearing noise from worn or rough hub bearings
• Front-end vibration caused by excessive hub runout
• ABS warning light concerns related to wheel-speed signal issues
• Uneven braking feel linked to hub instability
• Loose or worn wheel mounting surfaces on the front axle

Installation Notes and Tips

Verify spline count, bolt circle diameter, wheel pilot diameter, brake pilot diameter, and hub pilot diameter before installation. Confirm front-position fitment for your Saturn SC1, SC2, SL, SL1, SL2, SW1, or SW2 application and compare the original hub dimensions to HA590156K before assembly. Clean the mounting surface and inspect related suspension and brake components so the new hub assembly seats correctly.

Quality Assurance

Timken uses OE-developed testing to control hub assembly design, materials, and manufacturing process. The ABS sensor is fully tested for wheel-speed monitoring, and the bearing and seal construction are built to support consistent performance in front-wheel driveline applications.