Abstract
One of the main disadvantages of vegetable oil as an industrial lubricant is its poor performance at high temperature. In this experimental work, the performance of refined, bleached and deodorized (RBD) palm olein was tested at different operating temperatures using four-ball tribometer, following the procedure of ASTM D 4172. The result produced by RBD palm olein was compared with the result by additive free paraffinic mineral oil. The result showed that the RBD palm olein had lower coefficient of friction compared to the paraffinic mineral oil. However, the wear scars on the ball bearings surface lubricated with RBD palm olein were larger compared to those lubricated with paraffinic mineral oil.
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