53309 it is only applicable to the parts bearing one side of axial load and low speed, such as crane hook, vertical water pump, vertical centrifuge, jack, low speed reducer, etc.
53309 Purpose of thrust ball bearing: it is only applicable to the parts bearing one side of axial load and low speed, such as crane hook, vertical water pump, vertical centrifuge, jack, low speed reducer, etc. The shaft ring, seat ring and rolling element of the bearing are separated and can be installed and removed separately。
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