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: 3.136
Outside Diameter - Millimeter: 79.654
Number of Rows of Teeth: 1

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Sintered Iron
Outside Diameter - Inch: 2.54

Length Thru Bore - Millimeter: 26.924
Other Features: Components May or May Not Intermix Among Brands | 3 Jaws | No Metal to Metal Contact
Mounting Method: Set Screw
Hub Diameter - Millimeter: 64.516
Coupling Type: Jaw Coupling

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Stainless Steel
Outside Diameter - Inch: 1.75

Length Thru Bore - Millimeter: 20.828
Other Features: Components May or May Not Intermix Among Brands | 3 Jaws | No Metal to Metal Contact
Mounting Method: Set Screw
Hub Diameter - Millimeter: 44.45
Coupling Type: Jaw Coupling

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Aluminum
Outside Diameter - Inch: 1.36

Length Thru Bore - Millimeter: 19.05
Other Features: Components May or May Not Intermix Among Brands | 2 Jaws | No Metal to Metal Contact
Mounting Method: Set Screw
Hub Diameter - Millimeter: 34.544
Coupling Type: Jaw Coupling

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Sintered Iron
Outside Diameter - Inch: 2.11

Length Thru Bore - Millimeter: 20.828
Other Features: Components May or May Not Intermix Among Brands | 3 Jaws | No Metal to Metal Contact
Mounting Method: Set Screw
Hub Diameter - Millimeter: 53.594
Coupling Type: Jaw Coupling