NSK 30304BJ Wheel Bearing - Front Outer

NSK 30304BJ Wheel Bearing Overview

The NSK 30304BJ wheel bearing is a vehicle-specific OE-style replacement built for driveline and axle service where precise fit and low-friction operation matter. NSK applies its bearing engineering background to support stable wheel rotation and consistent performance in demanding driving conditions.

With a superfinished, precision-matched raceway and premium OE technology, this wheel bearing is focused on smooth operation and long service life. It is a practical choice for wheel bearing replacement on applications that call for exact dimensions and dependable bearing support.

Key Features

• Premium OE technology for vehicle-specific fit, form, and performance
• Long-life, low-friction bearing design
• Superfinished precision-matched bearing raceway
• Inside diameter: 19.9 mm
• Outside diameter: 52 mm
• Kit contents: 1 cup, 1 cone

Detailed Description

NSK 30304BJ is a wheel bearing engineered for applications that require accurate bearing geometry and smooth rolling performance. NSK is known for advanced rolling bearing development and supplies components to major automotive manufacturers and suppliers, which supports the design approach behind this part. For drivers and technicians searching for a wheel bearing for Honda Civic service or other vehicle-specific axle applications, the 30304BJ offers a focused OE-style solution.

The bearing’s precision-matched raceway and low-friction construction help maintain consistent wheel support under everyday road loads. If you are replacing a worn wheel bearing, the NSK 30304BJ provides the dimensional accuracy and bearing quality expected in a driveline and axle repair.

What This Part Helps Address

• Wheel bearing noise such as humming or growling
• Excessive wheel play from worn bearing surfaces
• Rough wheel rotation caused by bearing wear
• Vibration related to degraded wheel support
• Service replacement for a worn Honda Civic wheel bearing application

Installation Notes and Tips

Confirm inside diameter and outside diameter before installation to match the hub and spindle requirements. Clean the bearing seat and inspect related components for wear, scoring, or contamination before assembly. Proper bearing preload and torque settings are important for long-term performance, so follow the vehicle service procedure for the specific application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

NSK is a global manufacturer of rolling bearings with a strong focus on bearing life and operating performance in demanding conditions. The 30304BJ reflects that engineering approach through OE-style fitment and precision bearing construction.