Chain Pitch - Inch: 0.625
Chain Size: 50
Chain Pitch - Millimeter: 15.875
Pitch Diameter - Inch: 3.006
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 3.315
Other Features: Black Oxide Finish | For W-Weld On Hub
Pitch Diameter - Millimeter: 76.35
Mounting Method: Finished Bore

Chain Pitch - Inch: 0.75
Chain Size: 60
Chain Pitch - Millimeter: 19.05
Pitch Diameter - Inch: 2.663
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 3.005
Other Features: Black Oxide Finish | For W-Weld On Hub
Pitch Diameter - Millimeter: 67.64
Mounting Method: Finished Bore

Chain Pitch - Inch: 0.75
Chain Size: 60
Chain Pitch - Millimeter: 19.05
Pitch Diameter - Inch: 3.371
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 3.736
Other Features: Black Oxide Finish | For W-Weld On Hub
Pitch Diameter - Millimeter: 85.623
Mounting Method: Finished Bore

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 3.313

Length Thru Bore - Millimeter: 42.875
Other Features: Components May or May Not Intermix Among Brands | 3 Jaws
Mounting Method: Set Screw
Hub Diameter - Millimeter: 84.15
Coupling Type: Jaw Coupling

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 6.625

Length Thru Bore - Millimeter: 63.5
Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 146.05
Coupling Type: Elastomeric Coupling
Torque: 5500In-Lbs