Timken HA590092 Wheel Bearing and Hub Assembly - Rear

Timken Rear Hub Assembly for GM Applications

Timken HA590092 is a rear wheel bearing and hub assembly built for a range of Chevrolet, Buick, Pontiac, Oldsmobile, and Saturn vehicles. It is engineered with OE-developed testing, low runout control, and premium sealing and bearing features to support smooth wheel rotation, reduced noise, and stable braking performance.

Key Features

• Rear wheel bearing and hub assembly for non-driven applications
• Low runout design helps reduce noise and vibration
• Premium seals use reinforced and contamination-resistant construction
• Precision bearing profiles and uniform internal geometry support load capacity and bearing life
• ABS sensor is 100% tested for wheel speed monitoring
• 5 wheel studs, 4 flange bolt holes, and a 4.528 in. bolt circle diameter
• Hub pilot diameter: 2.825 in. / 71.76 mm
• Wheel pilot diameter: 2.760 in. / 70.10 mm
• Brake pilot diameter: 2.780 in. / 70.60 mm

Detailed Description

Timken HA590092 is a rear hub assembly for vehicles such as the Chevrolet Impala, Chevrolet Monte Carlo, Buick LaCrosse, Pontiac Grand Prix, and related GM platforms. The assembly uses OE-developed validation methods to control design, materials, and manufacturing process, helping deliver consistent fit and performance. Its precision bearing surfaces and enhanced finish are built to support efficient operation, while the sealed design helps keep contaminants out and maintain smooth rotation over time. This part number, HA590092, is a direct-fit style replacement for rear hub service on many GM sedans and minivans, including applications that require ABS wheel speed signal monitoring.

This part cross-references SKF (e.g., BR930075, BR930078) for the same application.

What It Helps Fix

• Rear wheel bearing noise or growling
• Wheel vibration caused by excessive hub runout
• ABS warning light concerns related to wheel speed signal issues
• Uneven braking feel from worn hub components
• Loose or rough rear wheel rotation

Installation Notes and Fitment

Compatible With rear applications only. Fits 2014-2016 Chevrolet Impala Limited, rear; 2000-2013 Chevrolet Impala, rear; 2005-2009 Buick Allure, rear; 2005-2009 Buick LaCrosse, rear; 1997-2008 Pontiac Grand Prix, rear; 2000-2007 Chevrolet Monte Carlo, rear; 2004-2005 Buick Century, rear; 1994-1996 Buick Century, rear; 2005 Buick Terraza, rear, Non Independant Rear Suspension - Rectangular Flange; 2005 Chevrolet Uplander, rear, Non Independent Rear Suspension; 2001-2005 Pontiac Aztek, rear; 1999-2005 Pontiac Montana, rear; 2005 Saturn Relay, rear, Non Independant Rear Suspension - Rectangular Flange; 1997-2004 Buick Regal, rear; 1992-2004 Oldsmobile Silhouette, rear; 2003 Buick Century, rear, Ride & Handling Suspension (Sport Ride Suspension); 1998-2002 Oldsmobile Intrigue, rear; 1998-1999 Oldsmobile Cutlass, rear; 1997-1999 Pontiac Trans Sport, rear; 1992-1996 Chevrolet Lumina APV, rear; 1994-1996 Oldsmobile Cutlass Ciera, rear; 1992-1996 Pontiac Trans Sport, rear, Auto Level; 1994 Oldsmobile Cutlass Cruiser, rear.

Before installation, verify the flange bolt hole count, bolt circle diameter, and pilot dimensions against the original hub. Confirm ABS connector and sensor alignment on equipped vehicles, and inspect the knuckle, axle area, and mounting surface for wear or corrosion before assembly. Timken HA590092 is commonly searched as a rear wheel bearing hub assembly for Chevrolet Impala, Buick LaCrosse, and Pontiac Grand Prix rear service.

Quality Assurance

Timken uses OE-developed testing and controlled manufacturing processes for hub bearing assemblies. The brand’s design approach focuses on consistent geometry, sealing performance, and ABS sensor validation to support dependable rear hub service.