Tamiya Crank Shaft Ball Bearing (Rear) – HC-7684412

The Tamiya Crank Shaft Ball Bearing (Rear) is a genuine OEM spare designed to restore smooth engine performance and reliability. Supplied under part number HC-7684412, this rear-position bearing supports the crankshaft at the back of the engine, helping to maintain precise rotation and reduce friction during operation.

This Tamiya spare is well suited to routine maintenance or a full engine refresh where the original rear bearing has worn or developed play. As with all OEM components, it is intended to deliver consistent fit and dependable performance within the intended application.

Before ordering, please refer to your model’s manual or exploded view to confirm the correct part number and fit for your specific engine. If you are replacing bearings as part of a service, it is good practice to inspect related components and seals at the same time.