Timken 512223 Wheel Bearing and Hub Assembly - Rear

Timken Wheel Bearing and Hub Assembly Overview

The Timken 512223 wheel bearing and hub assembly is engineered for reliable driveline performance in Cadillac CTS and STS models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your vehicle's driven axle system.

• 30 spline quantity for secure drivetrain engagement
• 3 flange bolt holes with a 115.00 mm (4.528 inch) bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameter of 70.10 mm (2.760 inches) for accurate wheel alignment
• Brake pilot diameter of 70.60 mm (2.780 inches) to support brake component fitment
• Hub pilot diameter of 91.42 mm (3.599 inches) for precise hub positioning
• Flange diameter of 145.50 mm (5.728 inches) with a flange offset of 42.18 mm (1.661 inches)
• Designed for driven axle applications

Detailed Product Description

The Timken 512223 wheel bearing and hub assembly is specifically designed for Cadillac CTS and STS vehicles, providing a direct replacement for the original equipment part. The assembly features a 30-spline driven design that ensures proper torque transfer and drivetrain reliability. With 5 wheel studs and 3 flange bolt holes arranged on a 115 mm bolt circle diameter, this hub assembly supports secure wheel mounting and alignment. The precise wheel pilot diameter of 70.10 mm and brake pilot diameter of 70.60 mm facilitate accurate positioning of wheels and brake components, reducing vibration and enhancing safety. The hub pilot diameter of 91.42 mm ensures the hub seats correctly on the axle, while the flange offset and diameter maintain proper clearance and fitment within the vehicle’s suspension system.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or rough rotation
• Fixes wheel hub looseness or play affecting vehicle handling
• Addresses uneven tire wear due to improper wheel alignment
• Resolves ABS sensor issues related to hub assembly malfunction
• Eliminates vibration or wobbling during driving

Installation Notes and Tips

• Ensure compatibility with Cadillac CTS and STS models before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid damage
• Inspect axle splines and mating surfaces for wear prior to assembly
• Clean mounting surfaces to ensure accurate hub pilot seating
• Verify wheel and brake pilot diameters match replacement components

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for durability and performance. The 512223 part undergoes rigorous quality control testing to ensure long service life and reliable operation. While specific warranty terms may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in your replacement part.