Pilot Diameter - Millimeter: 311.15
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 12.5
Length Thru Bore - Millimeter: 162.052

Nominal Bolt Circle Diameter Round - Inch: 10
Other Features: 3/4-10 Tapped Hole | 4 Tapped Hole | Double Split
Pilot Length - Inch: 2.963
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 254

Pilot Diameter - Millimeter: 254
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 10
Length Thru Bore - Millimeter: 98.425

Nominal Bolt Circle Diameter Round - Inch: 0
Other Features: Semi-Finished
Pilot Length - Inch: 0
Mounting Method: Finished Bore
Nominal Bolt Circle Diameter Round - Millimeter: 0

Pilot Diameter - Millimeter: 203.2
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 8.25
Length Thru Bore - Millimeter: 41.275

Nominal Bolt Circle Diameter Round - Inch: 6.25
Other Features: 3 Tapped Hole | Used With Conveyor Pulley
Pilot Length - Inch: 1
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 158.75

Pilot Diameter - Millimeter: 177.8
Inch - Metric: Inch
Material: Cast Iron
Outside Diameter - Inch: 10.375
Length Thru Bore - Millimeter: 133.35

Nominal Bolt Circle Diameter Round - Inch: 8.625
Other Features: Hub Bore Range 3-9/16 To 4 | Type D Sprocket | 4 Bolt Hole
Pilot Length - Inch: 1.875
Mounting Method: Minimum Plain Bore
Nominal Bolt Circle Diameter Round - Millimeter: 219.075

Pilot Diameter - Millimeter: 190.5
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 13
Length Thru Bore - Millimeter: 73.025

Nominal Bolt Circle Diameter Round - Inch: 0
Other Features: 3 Bolt | Used With Sprocket
Pilot Length - Inch: 0.75
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 0