Analisis Variasi Bearing Kendaraan Urate Evo-7 Pandawa Team Terhadap Laju Konsumsi Bahan Bakar

The automotive industry is the second largest contributor to carbon emissions in the world, making global fuel oil availability highly affected by this sector. This issue can be addressed through research and technological development aimed at improving fuel efficiency. This research was conducted by minimizing friction in vehicle components, which is expected to enhance fuel consumption efficiency, particularly in vehicle wheel bearings. This study employed an experimental method, in which tests were carried out in 4 attempts by comparing the effects of using steel bearings and ceramic bearings installed on the energy-efficient vehicle of the Pandawa Team. The output parameters of this bearing comparison test are fuel consumption efficiency, travel time during acceleration, and rolling distance when the engine is turned off. The results show that the variation of ceramic bearing usage in the Pandawa Team vehicle can improve fuel consumption efficiency by 31%, with an efficiency value of 395.8 km/l. This was followed by a reduction in travel time during acceleration by 8%, and an increase in rolling distance when the engine is turned off by up to 12.1%. This is based on the difference in bearing materials tested on the vehicle, resulting in a decrease in rolling resistance due to the lower coefficient of friction of ceramic bearings compared to steel bearings. Keyword: Bearing, ceramic, efficiency, friction, rolling.