Timken SP550311 Wheel Bearing and Hub Assembly - Front
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Timken

Timken SP550311 Wheel Bearing and Hub Assembly - Front

Brand Timken SP550311
Position Front
Fits Hummer · 3 vehicles

OE-developed testing. Controls design, materials, and manufacturing for consistent performance.

Low runout. Helps reduce noise and vibration while improving braking performance.

Premium seals. Reinforced construction helps prevent damage and improve seal life.

Cross-references MOOG Hub Assemblies 515093 and SKF BR930744 for the same application. See all 2.

$294.70Free shipping
In stock · usually ships same day before 1pm CST
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Order total $294.70
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Timken Wheel Bearing Hub Assembly for H3

Timken SP550311 is a front wheel bearing and hub assembly built for 2006-2008 Hummer H3 models. It combines a driven hub design with precision bearing construction to support smoother wheel rotation, reduced noise, and stable braking performance.

  • Front wheel bearing and hub assembly for driven applications
  • 33-spline design with 6 wheel studs
  • 5.500-inch bolt circle diameter and 7.035-inch flange diameter
  • Hub pilot diameter: 3.911 inches (99.94 mm)
  • Brake pilot diameter: 3.963 inches (100.67 mm)
  • ABS sensor tested for wheel-speed monitoring

Built for Hummer H3 Fitment

Compatible with 2006-2008 Hummer H3, front. Timken SP550311 is engineered using OE-developed testing methods that guide the design, materials, and manufacturing process of the hub bearing assembly. The result is a front hub assembly with low runout characteristics to help reduce vibration and noise while supporting braking consistency. Premium seals and refined bearing surfaces are used to improve contamination resistance, load handling, and bearing life. This part cross-references SKF BR930744 for the same application.

Common Problems This Part Can Address

  • Front wheel bearing noise or growling
  • Wheel vibration caused by hub runout
  • ABS wheel-speed signal faults from a worn hub assembly
  • Loose or uneven wheel rotation at the front axle
  • Braking instability related to hub wear

Installation Notes and Tips

Verify spline count, bolt circle diameter, hub pilot diameter, and brake pilot diameter before installation. Confirm the vehicle is a driven front application and match the ABS sensor connection to the original setup. Clean the mounting surface thoroughly and inspect related suspension and brake components for wear before installing the new hub assembly. Fits 2006-2008 Hummer H3, front.

Quality Assurance

Timken hub assemblies are manufactured using OE-developed test procedures and include premium bearings, seals, and 100% tested ABS sensors for wheel-speed monitoring. Timken SP550311 is built to support consistent performance in front hub service on the Hummer H3.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2008HummerH34WDFront—
2007HummerH34WDFront—
2006HummerH34WDFront—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
MOOG Hub Assemblies — 515093SKF — BR930744