WB series
DYS Auto water pump bearing code and meaning
 
1. Type code:

WB Series
(WB represents the water pump shaft bearing of the two rows of balls)
 

WR Series
(WR represents the water pump shaft bearing of a row of balls and a row of rollers)

2. With the installation feature size: composed of seven Arabic numerals.
The first and second digits from the left the number of millimeters representing the nominal shaft diameter d;
The third and fourth digits from the left indicate the number of millimeters of the nominal outer diameter D;
The fifth, sixth, and seventh digits from the left indicate the number of millimeters of the nominal shaft length B.

3. For different types of bearings, the shaft diameter d, the outer diameter D and the width are the same, while other water pump shafts with different sizes are connected to the bearing.
This standard specifies the addition of - "1", "2....." after the bearing code to distinguish.

4. Pump shaft bearing type bearing suffix representation
N:There is an oil groove on the outer diamater;
S:Indicates that there are steps at both ends of the shaft, and the diameters of the ends of the shaft are different
T:There is a small step 3.1X0.4 at one end of the shaft core;
O:There is an oil hole on the outer diameter;
G:Indicating the shaft is induction hardening.

5、Code example WB1630103NS

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