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    When soldering galvanized iron, the first step is to prepare the surface properly. This may involve cleaning the area to remove any corrosion, dirt, or impurities that could affect the bond. It's also essential to remove a small portion of the zinc coating at the soldering point to facilitate a better connection between the solder and the base metal.


    Thrust angular contact ball bearings are available in different designs, including single row, double row, and four-point contactthrust angular contact ball bearing. Each design has its own advantages and is suitable for different applications. Single row bearings are the most common and are able to support axial loads in one direction. Double row bearings have a higher load carrying capacity and are able to support axial loads in both directions. Four-point contact bearings have a unique design that allows them to support both radial and axial loads simultaneously.