So, I have a march 809 pump, and I am planning on changing out the bearings. Does anyone know what sizes go into these things? I am fairly certain that it uses a bearing and not a bushing, but I could be wrong (and please, let me know if I am) I could buy a kit or whatever, but I would rather go buy the bearings for a fraction of the cost at an industrial supply or automotive store. I notice that this information is conspicuously hard to find. Even the guy at chugger pumps was evasive.