During some bearing assembly has large diameter, great stiffness and a short cantilever, which will not bend and vibrate under difficult working conditions. In accordance to varying transmitted power, heavy single-row or double-row tapered roller bearings can be selected. These bearings can withstand the maximum axial and radial loads of the pump. Oil lubrication is used for the bearings. Seal cover, labyrinth bush, water-proof cover, and guard cover are fitted at both sides of the bearing body, to prevent impurities and water from entering into the bearings and to ensure the normal and safe operation of the bearings.
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