Fasco Model D911 1/2 HP 460 V 1 PH 1075 RPM Electric Fan/Blower Motor I believe that it is probably a 48Y frame.

Model   D911 

 Type    U26B1

New motor it is a new from a closed business that kept new replacement motors in stock for their equipment may be some shelf wear and dust from sitting.

 [Please Look at all the pictures they are part of the description]

                                                                                                     [B1-F1-R7-S2-4]