Timken 515027 Wheel Bearing and Hub Assembly - Front

Timken 515027 Wheel Bearing and Hub Assembly Overview

The Timken 515027 wheel bearing and hub assembly is engineered for reliable driveline performance in select Ford and Mazda vehicles. Designed specifically for models like the Ford Explorer, Ranger, and Mazda B4000, this assembly ensures precise fitment and durability.

• 42 spline quantity for secure drivetrain engagement
• 3 flange bolt holes with a 114.30 mm (4.5 inch) bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameters of 2.776 inches and 70.61 mm for accurate wheel alignment
• Brake pilot diameters of 2.835 inches and 72.14 mm to support brake component fitment
• Hub pilot diameters of 3.941 inches and 100.08 mm for proper hub centering
• Flange offset measurements of 2.213 inches and 56.13 mm to maintain correct wheel positioning
• Flange diameter of 5.882 inches (149.40 mm) for compatibility with OEM components
• Designed for driven axle applications

Detailed Product Description

The Timken 515027 wheel bearing and hub assembly is a precision-engineered component tailored for the driveline systems of Ford Explorer, Explorer Sport, Ranger, and Mazda B4000 models. Featuring a 42-spline driven design, this assembly provides a secure connection between the axle shaft and the wheel hub. The 3-flange bolt hole configuration with a 114.30 mm bolt circle diameter ensures proper mounting to the vehicle’s knuckle. With 5 wheel studs, the assembly supports stable and secure wheel attachment.

Critical dimensions such as the wheel pilot diameters (2.776 inches and 70.61 mm) and brake pilot diameters (2.835 inches and 72.14 mm) are engineered to maintain precise alignment of wheels and brake components. The hub pilot diameters (3.941 inches and 100.08 mm) center the hub accurately on the axle, while the flange offset (2.213 inches and 56.13 mm) maintains correct wheel positioning relative to the suspension geometry. The flange diameter of 5.882 inches (149.40 mm) matches OEM specifications for seamless integration.

Compatible Vehicles and Applications

• Ford Explorer and Explorer Sport models requiring a driven axle hub assembly
• Ford Ranger models with matching spline and bolt pattern specifications
• Mazda B4000 trucks with compatible driveline requirements

Common Issues Addressed by This Assembly

• Wheel bearing noise or roughness indicating wear or damage
• Excessive wheel play or looseness affecting vehicle handling
• Vibration or wobbling during driving due to hub misalignment
• Brake rotor misalignment causing uneven brake pad wear
• Failed or damaged hub assembly compromising driveline integrity

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before removal
• Verify spline count and bolt pattern match the vehicle specifications
• Clean mounting surfaces to prevent contamination and ensure proper fit
• Torque flange bolts and wheel studs to manufacturer specifications
• Inspect related components such as axle shafts and brake rotors during installation

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet strict OEM standards for durability and performance. The 515027 part number undergoes rigorous quality control to ensure precise fit and long service life. While specific warranty terms may vary, Timken products typically include coverage against defects in materials and workmanship, providing confidence in your replacement part.