Date: 2013-08-22

The harm of KOYO bearing grease too much use

Generally, grease seal type bearing KOYO filling amount, shall not exceed 50% of the internal space. Experiment shows that Shawki and Mokhtar, ball bearing with 20% to 30% is the most appropriate.
Grease has good adhesion, abrasion resistance, heat resistance, anti-rust and lubrication, can improve the high temperature oxidation resistance, delay aging, can be dissolved carbon, prevent metal wear debris and oil crystallization, improving the corrosion resistance of mechanical wear resistance, pressure resistance and. Grease filling amount more, larger friction torque. The same filling amount, the friction torque of sealed bearing more than open bearing. After grease filling amount equivalent to the inner space of the bearing capacity of 60%, the friction torque is no longer increases significantly. This is due to open in a KOYO bearings grease have been largely extrusion, and sealing grease type of bearing has the leakage reason. With the increase of amount of grease filled, KOYO bearing temperature rise linearly increased, the same filling amount, but higher than the open bearing sealed bearing temperature rise.  

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