Raybestos 56757R Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos R-Line Disc Brake Rotor and Hub Assembly

The Raybestos R-Line 56757R disc brake rotor and hub assembly is engineered for reliable braking performance on select Chevrolet, GMC, Isuzu, and Oldsmobile models. Designed to meet OEM specifications, this assembly ensures proper fit and function for vehicles like the Chevrolet Blazer, GMC Jimmy, and Isuzu Hombre.

• Includes disc brake rotor and hub assembly in one unit
• Nominal thickness: 1.035 inches (26.300 mm)
• Discard thickness: 0.965 inches (24.500 mm)
• Five mounting bolt holes with a 120.650 mm bolt circle diameter
• Mounting bolt hole diameter: 0.488 inches (12.400 mm)
• Five stud/lug holes for secure wheel attachment

Detailed Specifications and Features

The 56757R rotor and hub assembly features a nominal thickness of 1.035 inches (26.300 mm), providing a durable braking surface that meets the demands of daily driving and moderate towing. The discard thickness is set at 0.965 inches (24.500 mm), indicating the minimum safe thickness before replacement is necessary. This assembly includes five mounting bolt holes arranged on a 120.650 mm bolt circle diameter, with each hole measuring 0.488 inches (12.400 mm) in diameter, ensuring compatibility with the specified vehicle models. The five stud/lug holes provide a secure fit for wheel installation, maintaining proper alignment and safety.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed for direct replacement applications. This line emphasizes precise fitment and consistent performance, making it suitable for vehicles requiring dependable braking parts without extensive modifications. The 56757R assembly is part of this line, offering a balance of quality and value for Chevrolet, GMC, Isuzu, and Oldsmobile trucks and SUVs.

Compatible Vehicles and Common Applications

• Chevrolet Blazer brake system maintenance
• GMC Jimmy rotor and hub replacement
• Isuzu Hombre disc brake rotor upgrade
• Oldsmobile S10 and Sonoma brake component repair
• Addressing rotor wear and hub assembly issues on compatible models

Installation Notes and Tips

• Ensure the rotor thickness is above the discard thickness before installation
• Verify bolt hole alignment with vehicle specifications for proper fit
• Use appropriate torque settings on mounting bolts to avoid damage
• Inspect wheel studs and lug nuts for wear during installation
• Clean mating surfaces to prevent uneven rotor seating

Quality Assurance and Warranty Information

Raybestos R-Line parts are manufactured to meet or exceed OEM standards, providing consistent braking performance and durability. The 56757R disc brake rotor and hub assembly undergoes rigorous quality control to ensure reliability. Warranty coverage details should be confirmed with the original product documentation or authorized distributors.