Inch - Metric: Metric
Outside Diameter - Inch: 5.236
Outside Diameter - Millimeter: 133
Inside Diameter - Millimeter: 95

Inch - Metric: Inch
Outside Diameter - Inch: 4.391
Outside Diameter - Millimeter: 111.531
Other Features: Face Dia 3.844 | 19 Tangs
Inside Diameter - Millimeter: 80.696

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
Outside Diameter - Inch: 6.75

Length Thru Bore - Millimeter: 67.818
Other Features: Components May or May Not Intermix Among Brands
Mounting Method: Set Screw
Hub Diameter - Millimeter: 139.7
Coupling Type: Jaw Coupling

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Metric
Material: Cast Iron
Outside Diameter - Inch: 6.18

Length Thru Bore - Millimeter: 79.248
Other Features: Components May or May Not Intermix Among Brands | 3 Jaws | No Metal to Metal Contact
Mounting Method: Set Screw
Hub Diameter - Millimeter: 127
Coupling Type: Jaw Coupling