Timken 513125 Wheel Bearing and Hub Assembly - Front

Timken Wheel Bearing and Hub Assembly Overview

The Timken 513125 wheel bearing and hub assembly is engineered for precise fitment on a wide range of BMW models. Designed as a non-driven hub, this assembly ensures reliable wheel support and smooth rotation for vehicles including the BMW 3 Series, 5 Series, 6 Series, 7 Series, 8 Series, and Z Series.

• Wheel pilot diameter options: 72.5 mm and 2.854 inches
• Brake pilot diameters: 2.953 inches and 75 mm
• Five wheel stud quantity for secure mounting
• Flange diameter measurements: 143 mm (5.63 inches)
• Bolt circle diameter: 120 mm (4.724 inches)
• Non-driven drive type hub assembly

Technical Specifications and Fitment Details

The Timken 513125 hub assembly features dual measurements for wheel pilot diameter and brake pilot diameter, accommodating specific BMW wheel and brake configurations. The 5-stud design and flange diameter of 143 mm (5.63 inches) provide a stable mounting surface, while the 120 mm (4.724 inches) bolt circle diameter matches factory specifications for compatible BMW models. This non-driven hub assembly is suitable for front or rear axle applications where the hub does not transmit power.

Compatible BMW Models

This wheel bearing and hub assembly is compatible with a broad range of BMW vehicles, including but not limited to the 318i, 318is, 318ti, 320i, 323Ci, 323i, 323is, 325Ci, 325i, 325is, 328Ci, 328i, 328is, 330Ci, 330i, 524td, 525i, 525iT, 528e, 530i, 533i, 535i, 535is, 540i, 635CSi, 735i, 735iL, 740i, 740iL, 750iL, 840Ci, 850Ci, 850CSi, 850i, M3, M5, M6, Z3, and Z4 models. Ensure compatibility by verifying the part number 513125 with your vehicle's specifications.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or vibration
• Fixing wheel hub looseness or play affecting vehicle handling
• Resolving uneven tire wear due to faulty hub assembly
• Addressing ABS sensor issues related to hub assembly failure (if applicable)
• Restoring proper wheel alignment and rotation smoothness

Installation Notes and Tips

When installing the Timken 513125 wheel bearing and hub assembly, ensure the correct orientation of the hub relative to the brake and wheel pilot diameters. Use a calibrated torque wrench to tighten the five wheel studs to manufacturer specifications. Verify bolt circle diameter alignment to prevent mounting issues. It is recommended to inspect related suspension and brake components during installation for optimal performance.

Quality Assurance and Warranty

Timken manufactures the 513125 wheel bearing and hub assembly to meet OEM standards for durability and precision. This part undergoes rigorous quality control to ensure consistent performance and fitment. Timken typically offers a limited warranty covering defects in materials and workmanship; please consult Timken documentation or authorized sources for specific warranty terms.