Chain Pitch - Inch: 0.75
Chain Size: 60
Chain Pitch - Millimeter: 19.05
Chain Type: Roller Chain
Bearing Type: Ball Bearing

Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 3.989
Length Thru Bore - Millimeter: 18.288
Other Features: 0.459 Inch Teeth Width

Bore Profile: Minimum Plain Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Length Thru Bore - Millimeter: 106.426

Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 174.498
Hub Diameter - Inch: 6.87
Coupling Type: Gear Coupling
Torque: 203550In-Lbs

Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Chain Type: Roller Chain
Bearing Type: Ball Bearing

Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 3.14
Length Thru Bore - Millimeter: 11.125
Other Features: Pre Lubricated

Bore Profile: Minimum Plain Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Length Thru Bore - Millimeter: 91.186

Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 149.352
Hub Diameter - Inch: 5.88
Coupling Type: Gear Coupling
Torque: 135700In-Lbs

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Powdered Metal
Outside Diameter - Inch: 3.15

Length Thru Bore - Millimeter: 44.958
Other Features: Components May or May Not Intermix Among Brands | Curved Jaw | No Metal to Metal Contact | Elastomeric Spider | 4 Jaws
Mounting Method: Set Screw
Hub Diameter - Millimeter: 66.04
Coupling Type: Jaw Coupling