NSK 66BWKH27 Wheel Bearing and Hub Assembly - Front

Overview of NSK Wheel Bearing and Hub Assembly 66BWKH27

The NSK 66BWKH27 wheel bearing and hub assembly is designed for driven wheels equipped with ABS systems. Engineered to meet the specific requirements of various Infiniti models, this assembly integrates a magnetic encoder for precise ABS functionality and reliable performance.

• ABS equipped with magnetic encoder for accurate wheel speed sensing
• Driven wheel application compatible with Infiniti EX35, FX35, G35, M35, and related models
• Bolt circle diameter mounting flange: 120 mm; wheel flange: 114.3 mm
• Flange bolt hole quantity: 4; wheel stud quantity: 5 with M12x1.25 thread size
• Brake pilot diameter: 68 mm; flange diameter: 136 mm; flange offset: 40.7 mm
• Hub pilot diameter: 93 mm; wheel pilot diameter: 66 mm; 27 splines for secure fitment
• Generation 3 design for enhanced durability and fitment accuracy

Technical Details and Specifications

This NSK wheel bearing and hub assembly (part number 66BWKH27) is engineered for driven wheels on select Infiniti vehicles including EX35, EX37, FX35, FX37, FX45, FX50, G25, G35, G37, M35, M37, M45, and M56. The assembly features a magnetic encoder ABS type, ensuring compatibility with the vehicle’s anti-lock braking system for precise wheel speed monitoring. The mounting flange has a bolt circle diameter of 120 mm with four bolt holes, while the wheel flange measures 114.3 mm with five M12x1.25 wheel studs. The brake pilot diameter is 68 mm, and the flange diameter is 136 mm with an offset of 40.7 mm. The hub pilot diameter is 93 mm, and the wheel pilot diameter is 66 mm, with 27 splines providing a secure connection to the axle shaft.

Applications and Problem Solving

• Replaces worn or damaged wheel bearing and hub assemblies on Infiniti EX, FX, G, and M series models
• Restores proper ABS sensor function by utilizing a magnetic encoder tone ring
• Eliminates wheel noise, vibration, and uneven tire wear caused by faulty bearings
• Addresses wheel hub looseness and improves vehicle handling and safety
• Prevents premature brake rotor wear by maintaining correct hub alignment

Installation Notes and Tips

• Ensure compatibility with your specific Infiniti model and verify part number 66BWKH27 before installation
• Use proper torque specifications for M12x1.25 flange bolts and wheel studs to avoid damage
• Inspect ABS sensor wiring and connectors during installation to ensure proper function
• Clean mounting surfaces thoroughly to prevent contamination and ensure accurate fitment
• Professional installation is recommended to maintain vehicle safety and performance standards

Quality Assurance and Warranty

NSK manufactures this wheel bearing and hub assembly to meet stringent quality standards, ensuring reliable performance and durability. The Generation 3 design incorporates advanced materials and manufacturing processes to provide consistent fit and function. While specific warranty details may vary, NSK products typically come with a limited warranty covering defects in materials and workmanship. Consult your supplier or NSK documentation for exact warranty terms related to part number 66BWKH27.