Shaft couplings are a very important piece in the power transmission process. They are whatconnect one moving shaft to another to allow for the transfer of power. Shaft couplings arefound on all types of machinery including blowers, pumps, speed reducers, conveyors, machinetools, mixers, and much more. There are many different types of shaft couplings. Which oneyou should use depends many things. Hopefully the following descriptions will help explain thebenefits and drawbacks of these different types of couplings and help you decide which is bestfor your application.