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

Inch - Metric: Metric
Material: Glass Reinforced Nylon
Outside Diameter - Inch: 2.98
Length Thru Bore - Millimeter: 12
Other Features: 1.78 Inch Hub Diameter | 0.279 Inch Teeth Width | 6203-2RS Insertion Molded ABEC-1 High Precision Bearing

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Metric
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: Metric
Material: Steel
Outside Diameter - Inch: 1.375

Length Thru Bore - Millimeter: 19.05
Other Features: Components May or May Not Intermix Among Brands | 3 Jaws
Mounting Method: Set Screw
Hub Diameter - Millimeter: 34.925
Coupling Type: Jaw Coupling

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Metric
Material: Powdered Metal
Outside Diameter - Inch: 1.75

Length Thru Bore - Millimeter: 20.574
Other Features: Components May or May Not Intermix Among Brands | Straight L Jaw | Do Not Use Bronze Insert Over 250RPM | 3 Jaws
Mounting Method: Set Screw
Hub Diameter - Millimeter: 44.45
Coupling Type: Jaw Coupling

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Metric
Material: Steel
Outside Diameter - Inch: 2.125

Length Thru Bore - Millimeter: 25.4
Other Features: Components May or May Not Intermix Among Brands | 3 Jaws
Mounting Method: Set Screw
Hub Diameter - Millimeter: 53.975
Coupling Type: Jaw Coupling