SKF FW121 Wheel Bearing - Front

SKF FW121 Front Wheel Bearing

SKF FW121 is a tapered roller wheel bearing built for front axle service on select Infiniti and Nissan applications. With precise raceway geometry and a smooth surface finish, it is engineered for quiet rotation, stable load handling, and consistent wheel support.

• Inside diameter: 1.496 in.
• Outside diameter: 2.992 in.
• Width: 1.692 in.
• Tapered roller design for controlled load distribution
• Paraphrased SKF engineering focus: smooth-running operation and long service life

Application Details

Compatible with front wheel bearing service on 1990-1996 Infiniti Q45 and 1990-1996 Nissan 300ZX, front. It also fits 1989 Nissan 300ZX, front, from 2/89. If you are sourcing an SKF FW121 replacement for a front hub repair, verify the bearing dimensions and vehicle build date before installation.

This part cross-references 1458FW121 and 40210-33P02 for the same application.

What It Helps Fix

• Front wheel noise such as humming or growling
• Excessive wheel play or looseness at the hub
• Rough rotation caused by worn tapered rollers
• Uneven bearing wear from age, heat, or contamination
• Front-end vibration related to bearing deterioration

Installation Notes

Confirm inside diameter, outside diameter, and width against the original bearing before service. Clean the hub and related surfaces thoroughly, inspect the spindle and race seating areas, and follow the vehicle service procedure for bearing preload and torque settings. For 1989 Nissan 300ZX applications, confirm the build date note of from 2/89.

Quality Assurance

SKF has more than 100 years of engineering and manufacturing experience in bearing technology. FW121 is produced to SKF quality standards for dependable fit, smooth operation, and long-term service in front wheel bearing applications.