Abstract
Water lubricated rubber bearing is one of the most appropriate bearings widely used in submerged pump for drainage. The apparatus for studying the tribological behaviors of the water lubricated rubber bearings has been devised and established in the paper. The experimental studies on the tribological properties of the rubber bearings have been conducted under different load and velocity using the apparatus. Effects of load and velocity on friction coefficient of the rubber bearings have been estimated. The experimental results show that the friction coefficient decreases with increasing velocity; the friction coefficient increases at first and then decreases with increasing load; the friction coefficient increases sharply with the rising temperature. The experimental results also indicate that there is an appropriate bearing clearance which the friction coefficient is minimum.
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