Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Metric
Material: Magnesium Alloy
Outside Diameter - Inch: 3.98

Length Thru Bore - Millimeter: 38.608
Other Features: Components May or May Not Intermix Among Brands | Corrosion Resistant | Neoprene Insert
Mounting Method: Set Screw
Hub Diameter - Millimeter: 77.47
Coupling Type: Jaw Coupling

Split or Solid Description: One Piece Split
Bore Threaded: Metric
Component: Shaft Collar
Width - Millimeter: 15
Inch - Metric: Metric

Material: Steel
Outside Diameter - Inch: 2.374
Outside Diameter - Millimeter: 60.3
Bore - Millimeter: 37
Other Features: Wax Impregnated Black Oxide Finish | Blackened Alloy Steel Socket Head Cap Screw

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Metric
Material: Carbon Steel
Outside Diameter - Inch: 3.37

Length Thru Bore - Millimeter: 45.974
Other Features: Components May or May Not Intermix Among Brands
Mounting Method: Set Screw
Hub Diameter - Millimeter: 81.026
Coupling Type: Jaw Coupling

Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Chain Type: ANSI Roller Chain
Pitch Diameter - Inch: 3.831

Inch - Metric: Metric
Material: Steel
Outside Diameter - Inch: 4.098
Pitch Diameter - Millimeter: 97.3
Mounting Method: Finished Bore

Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Chain Type: ANSI Roller Chain
Pitch Diameter - Inch: 4.465

Inch - Metric: Metric
Material: Steel
Outside Diameter - Inch: 4.738
Pitch Diameter - Millimeter: 113.42
Mounting Method: Finished Bore