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: 285.75
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 11.69
Length Thru Bore - Millimeter: 69.85

Nominal Bolt Circle Diameter Round - Inch: 9.875
Other Features: 4 Mounting Hole
Pilot Length - Inch: 1.938
Mounting Method: Minimum Plain Bore
Nominal Bolt Circle Diameter Round - Millimeter: 250.825

Pilot Diameter - Millimeter: 304.8
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 12.25
Length Thru Bore - Millimeter: 73.025

Nominal Bolt Circle Diameter Round - Inch: 10
Other Features: 1-8 NC Tapped Hole | 4 Tapped Hole | Used With Conveyor Pulley
Pilot Length - Inch: 2
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 254

Pilot Diameter - Millimeter: 304.8
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 12.25
Length Thru Bore - Millimeter: 73.025

Nominal Bolt Circle Diameter Round - Inch: 10
Other Features: 4 Tapped Hole | Used With Conveyor Pulley
Pilot Length - Inch: 2
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 254

Pilot Diameter - Millimeter: 311.15
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 12.5
Length Thru Bore - Millimeter: 161.925

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