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: 209.55
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 8.5
Length Thru Bore - Millimeter: 218.948

Nominal Bolt Circle Diameter Round - Inch: 7
Other Features: 5/8-11 Tapped Hole | 3 Tapped Hole | Double Split
Pilot Length - Inch: 6.016
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 177.8

Pilot Diameter - Millimeter: 209.55
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 8.5
Length Thru Bore - Millimeter: 142.748

Nominal Bolt Circle Diameter Round - Inch: 7
Other Features: 5/8-11 Tapped Hole | 3 Tapped Hole | Double Split
Pilot Length - Inch: 2.963
Mounting Method: Bushed
Nominal Bolt Circle Diameter Round - Millimeter: 177.8

Pilot Diameter - Millimeter: 127
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 11.5
Length Thru Bore - Millimeter: 160.35

Nominal Bolt Circle Diameter Round - Inch: 0
Other Features: Hub Bore Range 2-9/16 To 2-3/4 | Used With Sprocket
Pilot Length - Inch: 5
Mounting Method: Minimum Plain Bore
Nominal Bolt Circle Diameter Round - Millimeter: 0

Pilot Diameter - Millimeter: 139.7
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 12.5
Length Thru Bore - Millimeter: 176.225

Nominal Bolt Circle Diameter Round - Inch: 0
Other Features: Hub Bore Range 2-13/16 To 3 | Used With Sprocket
Pilot Length - Inch: 5.5
Mounting Method: Minimum Plain Bore
Nominal Bolt Circle Diameter Round - Millimeter: 0