Bell houses are used when the motor shall drive the unit
directly without any gear in between. The bell house includes
a coupling that match the selected motor/actuator
combination.

If you want to connect T90 ø25 with motor IEC 71 B14 you will find
the correct bell house flange here: Bell house flange

SolidComponents^TM

The belt gear is installed directly on to the shafts of the
motor and the actuator. No couplings are required. The
belt gears are maintenance free.

SolidComponents^TM