Pilot Diameter - Millimeter: 104.775
Pilot Diameter - Inch: 4.125
Inch - Metric: Inch
Material: Cast Iron
Outside Diameter - Inch: 4.125

Length Thru Bore - Millimeter: 63.5
Nominal Bolt Circle Diameter Round - Inch: 3.375
Other Features: Keyway On OD | 3 Tapped Half Circle Hole
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 85.725

Pilot Diameter - Millimeter: 111.125
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 4.875
Length Thru Bore - Millimeter: 44.45

Nominal Bolt Circle Diameter Round - Inch: 3.375
Other Features: Used With Fan Rotor - Pulley - Plate Sprocket - Impeller - Agitator
Pilot Length - Inch: 1
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 85.725

Pilot Diameter - Millimeter: 184.15
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 7.75
Length Thru Bore - Millimeter: 101.6

Nominal Bolt Circle Diameter Round - Inch: 5.75
Other Features: Used With Fan Rotor - Pulley - Plate Sprocket - Impeller - Agitator
Pilot Length - Inch: 3
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 146.05