Suggested replacment: Universal Electric Co furnace motor HA3H036N, 503967
 
Brand: Omni
Horsepower : 1/4
Voltage : 115
Amps : 3.60
RPM : 1075
Frequency : 60 Hz
Length : 4.05”
Enclosure : Open
Shaft Dim. : 1/2” x 6.00”
Type :Permanent Split Capacitor
Speeds : 4 (Original motor is 03 speed)
Diameter : 5.5”
Frame : 48
Bearings : Sleeve
Rotation : Reversible/CCW/OSE
Protector : Thermally Protected
Phase : 1
Ambient Temp. : 40°C
Capacitor Rating : 5MFD-370V. 
Feature(s) : Resilient Rings, Reversing Plug, Extended Thru-Bolts, 3 Welded Flex Arms
Note: OEM motor is 03 Speed.  Replacement is 04.  Needs a capacitor