TRF 501X Steering and Drivetrain Bearing Kit BS-501X/V1 by 3Racing  [BS-501X/V1]

TRF 501X compatible bearing kit

This bearing kit is an aftermarket replacement intended for use on Tamiya TRF 501X cars, suited to rotating assemblies such as wheel hubs and gearbox shafts where sealed bearings are used to control friction and contamination. It is supplied as a drop-in refresh for worn components.

The following notes highlight compatibility checks, basic fitting and the role bearings play in tuning. Bearings affect drivetrain smoothness, steering feedback during load transitions and rolling resistance; renewing them can recover predictable responses and reduce secondary wear.

Fitment advice: remove old bearings without deforming hubs or shafts, press new bearings straight to avoid offset, and confirm there is no binding before tightening adjacent fasteners. Use thread-lock and torque to manufacturer recommendations where applicable.

For club racers and hobby mechanics, swapping worn bearings on a TRF 501X is a sensible service item that helps preserve gear life and maintain consistent lap times.