Drill the holes to the next larger size. For example, if the current holes are 1.125", enlarge them slightly beyond 1.250". This adjustment will make the process easier.
Hello Samingme755,
For BB3 type axially split multi-stage centrifugal pumps, one of the industry standard is API 610.
The bearing selection mainly depends on factors such as pump speed (RPM), horse power, mean bearing diameter, desired bearing life, etc etc.
Here is "Table-9 Bearing...
Hello Khaled,
The most probable difference between sliding and rod type is that sliding will have parts that have flexibility to move. For example adding an expansion joint on the shell side. The expansion joint will allow the shell to expand and contract during high temperature application...