Timken 513155 Wheel Bearing and Hub Assembly - Front

Timken Front Hub Assembly for Mazda Miata

Timken 513155 is a front wheel bearing and hub assembly for select Mazda Miata models. It is built with OE-developed testing and controlled manufacturing processes to support consistent wheel-end performance, low runout, and stable braking feel.

Key Features

• Front wheel bearing and hub assembly for non-driven applications
• Fits 1990-1997 Mazda Miata, front
• Fits 1999-2005 Mazda Miata, front
• Wheel stud quantity: 4
• Bolt circle diameter: 3.937 in. / 100 mm
• Wheel pilot diameter: 2.126 in. / 54 mm
• Brake pilot diameter: 2.165 in. / 55 mm
• Flange diameter: 4.803 in. / 122 mm
• ABS sensor monitoring is 100% tested for wheel-speed signal accuracy

Detailed Description

Timken 513155 is a front hub assembly engineered for Mazda Miata applications that use a non-driven wheel-end setup. The assembly uses precision-profile bearings with uniform internal geometry and refined surface finishes to support load capacity, bearing life, and fuel efficiency. Low runout helps reduce noise and vibration while supporting more consistent braking performance. Premium seals add contamination exclusion features and reinforced construction to help maintain sealing integrity during installation and service.

This part cross-references SKF BR930143 and BR930237 for the same application. For shoppers searching for a Mazda Miata front wheel bearing hub assembly, Timken 513155 provides a direct-fit option for 1990-1997 and 1999-2005 Mazda Miata front applications.

Common Problems This Part Can Address

• Wheel bearing noise from the front hub area
• Excessive wheel-end vibration or runout
• ABS wheel-speed signal issues related to the hub assembly
• Brake feel concerns tied to hub alignment or bearing wear
• Loose or worn front hub performance on Mazda Miata models

Installation Notes and Tips

Confirm the vehicle year and front position before ordering. Verify bolt circle, pilot diameters, and wheel stud configuration against the original hub assembly on the Mazda Miata. Clean the mounting surface thoroughly and inspect adjacent brake and suspension components during service. For ABS-equipped vehicles, check the sensor connection and wheel-speed signal after installation.

Quality Assurance

Timken manufactures hub bearing assemblies using OE-developed test procedures and controlled design, material, and process standards. The result is a front hub assembly built to maintain consistent fit, sealing performance, and wheel-end operation across the listed Mazda Miata applications.