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Timken HA590307 Wheel Bearing and Hub Assembly - Front
| Brand | Timken HA590307 |
|---|---|
| Position | Front |
| Fits | Chevrolet and GMC · 6 vehicles |
OE-developed testing. Controls design, materials, and manufacturing for consistent performance.
Low runout design. Helps reduce noise and vibration while improving braking performance.
Premium seals. Reinforced construction helps prevent damage and extend seal life.
Cross-references MOOG Hub Assemblies 515044 and SKF BR930307 for the same application. See all 2.
Timken HA590307 Hub Assembly
The Timken HA590307 wheel bearing and hub assembly is built for the front of select Chevrolet Astro and GMC Safari models. It combines OE-developed testing, low runout, and precision bearing construction to support smoother operation, reduced noise, and stable braking performance.
Key Features
- Front wheel bearing and hub assembly for non-driven applications
- Fits 2003-2005 Chevrolet Astro, front
- Fits 2003-2005 GMC Safari, front
- 6 wheel studs with a 5.500-inch bolt circle diameter
- 3-bolt flange design with a 7.087-inch flange diameter
- Precision bearing profiles and uniform internal geometry for load support and bearing life
- Premium seal design with contamination exclusion features
- ABS sensor tested for wheel-speed monitoring in Anti-lock Braking Systems
- Timken HA590307 cross-references SKF BR930307 and MOOG 515044 for the same application
Detailed Description
The Timken HA590307 is a front wheel bearing and hub assembly engineered for 2003-2005 Chevrolet Astro and 2003-2005 GMC Safari models. It uses OE-developed testing to control the design, materials, and manufacturing process, helping maintain consistent performance in daily driving conditions. Low runout supports quieter operation and helps reduce vibration, while the precision bearing surfaces and internal geometry are built to improve load carrying capacity and service life. The hub also includes an ABS sensor that is 100% tested for wheel-speed monitoring, making this Timken HA590307 a direct-fit choice for front hub service on Astro and Safari vehicles.
Key dimensions include a 3.085-inch wheel pilot diameter, 3.228-inch brake pilot diameter, 3.909-inch hub pilot diameter, 1.945-inch flange offset, and 180.00-mm flange diameter. These specifications help confirm proper fitment for the front hub location on the listed Chevrolet Astro and GMC Safari applications.
What It Helps Fix
- Front wheel bearing noise or growling
- Wheel vibration caused by hub runout
- ABS wheel-speed signal issues from a failing hub sensor
- Brake pulsation related to hub instability
- Excessive play or looseness at the front wheel hub
Installation Notes and Tips
Verify the vehicle’s front hub configuration, bolt pattern, and pilot dimensions before installation. Inspect the mating surfaces, axle or knuckle mounting area, and ABS connector condition during replacement. Proper torque procedures and clean mounting surfaces help the hub seat correctly and support accurate brake and wheel operation.
Quality Assurance
Timken uses OE-developed testing and controlled manufacturing processes for hub bearing assemblies. Premium seals, precision bearing profiles, and tested ABS sensor performance are part of the product’s quality-focused design.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2005 | Chevrolet | Astro | RWD | Front | — |
| 2005 | GMC | Safari | RWD | Front | — |
| 2004 | Chevrolet | Astro | RWD | Front | — |
| 2004 | GMC | Safari | RWD | Front | — |
| 2003 | Chevrolet | Astro | RWD | Front | — |
| 2003 | GMC | Safari | RWD | Front | — |
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