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Knowledge about the installation of tapered roller bearings

DYS BEARINGS | Updated: May 17, 2017

Before bearing installation should be cleaned with gasoline or kerosene, dry after use, and ensure good lubrication, bearings generally use grease lubrication, also can be used oil lubrication. Grease lubrication should be used without impurities, antioxidant, anti-rust, extreme pressure and other superior performance of lubricating greases. Double row tapered roller bearings with sealed structure and water pump shaft bearing has been filled with good grease, users can directly use, no longer cleaning. Lubricating grease Fill quantity is 30%-60% of bearing and bearing box volume, unfavorable excessive.


Tapered roller bearings, must be placed on the circumference of the ring to exert equal pressure, the rings pressed into, must not use the Shan first-class tool directly tapping the bearing side face, lest damage bearing. If the bulk installation, you can use hydraulic press. Pressing in, should ensure the outer ring end face and casing shoulder end face, the inner ring end face and shaft shoulder end pressure tight, do not allow clearance. In the case of less surplus, can be pressed at room temperature with the sleeve bearing rings end face, with the Shan head beat the sleeve, the sleeve will be evenly pressed into the. When the surplus volume is larger, can be used in oil bath heating or induction heating bearings method to install, heating temperature range of 80 ℃-100 ℃, the highest can not exceed 120 ℃. At the same time, the application of nuts or other appropriate method fastening bearings to prevent the width of the bearing cooling after contraction and the ring between the shaft and shoulder to produce gaps.