COMPARATIVE STUDY OF FULL JOURNAL BEARING WITH BIO LUBRICANTS ? JATROPHA OIL, CASTOR OIL, NEEM OIL AND MINERAL OIL (SAE 20W50)

The present study was carried with a n aim of checking the feasibility of usage of bio - lubricants as a lubricant in hydrodynamic full journal bearing. Three bio - lubricants Castor oil, Neem oil, Jatropha oil and mineral oil SAE 20W50 is used alternatively to check the output of the journal bearing operating parameters. The results so generated put cast or oil on first priority on the base of low operating temperature with comparison to other three lubricants. The performance of jatropha oil and neem oil are more or less equivalent to mineral oil SAE 20W50. The main intention was substitution of mineral oil for bio - lubricants.