Bearings with grease control

Bearing lubrication is essential, so everything has degree, how to control the amount of bearing lubrication for bearings maintenance, capital budget, very useful. We know that grease has very good adhesion, abrasion resistance, temperature resistance, corrosion resistance and lubricity, can improve the high temperature oxidation resistance, delay aging, can dissolve the accumulated carbon and prevent metal wear debris and greasy gather for improve the mechanical abrasion, pressure and corrosion resistance.
    Understand the grease in the bearings of the movement, the nature would come to a conclusion: not too much grease in bearing. Grease more wasteful and harmful. Higher speed bearings, the greater danger.
    The more grease fill quantity, the greater the friction torque. The same filling volume, sealed bearing friction torque than open bearings. Filled with the volume of grease within the bearing space volume of 60% after the friction torque no longer increased significantly. This is due to open most of the bearings in the grease has been squeezed out, and the grease in sealed bearings have also been the cause leakage.
    With the increase in the amount of grease filled, bearing linear temperature increase, the same filling volume, sealed bearing temperature rise was higher than open bearings.
    Is generally believed that sealed roller bearing grease fill quantity, up to a maximum of 50% of interior space. Shawki and Mokhtar experiment, the ball bearing to 20-30% is most suitable

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