VehiclesTamiya TT-02TUpgradesFull ball-bearing conversion

Full ball-bearing conversion

This replaces the kit's plain bushings with ball bearings at the specified locations. It is a way to reduce friction at those rotating supports, with each bearing size matched to its position in the chassis.

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Parts & installation

Manufacturer documented

Vehicle: Tamiya TT-02T
Position: front / rear / center
Change: Replace kit metal and plastic bushings using the 54476 bearing set

Parts needed

Sold packs per one vehicle for the stated route

Part	Qty
54476TT-02 Ball Bearing Set	1

Manufacturer-documented option for the specified vehicle configuration.

Installation notes

The 54476 package contains four 1280, four 1150 and eight 1050 ball bearings for the TT-02T conversion.
Replace the bushings at the locations specified in the TT-02T manual. Match bearing dimensions to each location and check free rotation after assembly.

Sources

Tamiya TT-02T factory manual

Installation diagrams, retained parts and setup instructions.

Tamiya 54476 ball-bearing set

Product details, supplied components and stated application limits.