Motor typeCapacitor Start
Housing materialSteel
Drive typeDirect Drive
Bearing typeBall
Blade dia.18"
Motor hp1/2 hp
Max. noise level @ 5 feet25 sones
Flange dia.21"
Blade materialAluminum
Airflow @ 0.250 in sp3521 CFM
Airflow @ 0.125 in sp3724 CFM
No. of speed2
No. of blades6
Max. inlet temp.104°F
Dimensions b19 7/8"
Dimensions a18 1/2"
Dimensions d16"
Dimensions c21"
Cfm @ 0.500 in sp3058 CFM
Cfm @ 0.375 in sp3323 CFM
Housing finishBaked Enamel
Phase1
Max. depth16"
Housing dia. w/mtg. flange21"
Motor enclosure designTotally Enclosed Air Over
Included motor & drive packageYes
Overall dia.21"
Max. fan speed1750 RPM
Airflow @ 0.000 in sp3938 CFM
Compatible flange grainger part number4C718
Max. ambient temp.104°F
Nameplate voltage115V AC
Overall height21"
Body dia.18 1/2"
Bolt circle dia.19 7/8"
FeaturesPrecision Balanced Aluminum Propellers
Mounting orientationHorizontal, Vertical
For air typeClean Air
AssemblyAssembled
Brake hp7/50 bhp
Frequency60 Hz
Included drive packageYes
No. of speeds2
Center height10 1/2"
Outlet dia.18 1/2"
Inlet dia.18 1/2"
Hp1/2 hp
Included motorYes