Not too much grease in bearing

We know that a grease NSK bearing has very good adhesion, wear resistance,temperature resistance , excellent rust resistance and lubricity, can enhance the high temperature oxidation resistance, delay ageing, can dissolve carbon, prevent metal abrasive dust and oil together the knot, improve mechanical wear resistance, pressure and corrosion resistance.

Understand the grease in the sport after bearing process, will draw a conclusion: SKF bearing grease of unfavorable and overmuch. More grease not only waste, and is harmful. The higher the running speed of the bearing, the more dangerous.

The more grease filling quantity, the more FAG bearing friction torque . The same filling quantity, sealed bearing friction torque larger than open bearing. Grease filling quantity is equivalent to 60% of the internal space of the bearing capacity, after the friction torque no longer increased. This is due to open bearing grease most has been extrusion, and sealed bearing grease has also lost .

Along with the increase of grease filling quantity, bearing temperature rise linear increase, the same filling quantity INA sealed the rise of temperature of the bearing is higher than the open bearing.

Generally, enclosed rolling NTN bearing grease filling quantity, shall not exceed the internal space of about 50%. The test shows that Shawki and Mokhtar, ball bearings to 20% to 30% most appropriate.
 



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