NSK 70BWK123 Wheel Hub and Bearing Assembly HUB II BWK Series

The NSK 70BWK123 is a HUB II series wheel hub and bearing assembly featuring a double-row angular contact ball bearing design with an outer mounting flange. Engineered for precision and durability, this unit integrates the bearing, hub flange, and seal into a single, ready-to-install assembly—eliminating the need for separate components or complex preload adjustments at installation.

Key Features:

• HUB II BWK Design: Double-row angular contact ball bearing with flanged outer ring for direct wheel and brake rotor mounting
• Pre-Set Preload: Factory-optimized axial clearance eliminates the need for shim adjustments or spacers on the assembly line
• Integral High-Performance Seal: Built-in seal provides effective protection against contamination from mud, water, and road debris—no external sealing required
• Pre-Packed Grease: Comes pre-lubricated from the factory; no additional grease packing required during installation
• ABS Sensor Compatible: Designed to support ABS sensor integration for stable wheel speed sensing and braking performance
• OEM-Grade Quality: Manufactured by NSK, a globally recognized leader in automotive bearing technology, validated through rigorous bench testing
• 70mm Bore Diameter: Engineered to precise dimensional tolerances for a reliable, secure fit

The NSK 70BWK123 wheel hub bearing assembly is built to meet the demands of modern passenger vehicles, delivering consistent performance under a wide range of driving conditions. As a direct-fit, fully pre-assembled unit, it simplifies the replacement process and restores factory-level performance. NSK part number: 70BWK123.