Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 3.513
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 3.778
Other Features: Black Oxide Finish | For X-Weld On Hub
Pitch Diameter - Millimeter: 89.24
Mounting Method: Finished Bore

Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 2.089
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 2.328
Other Features: Black Oxide Finish | For V-Weld On Hub
Pitch Diameter - Millimeter: 53.06
Mounting Method: Finished Bore

Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 3.831
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 4.098
Other Features: Black Oxide Finish | For X-Weld On Hub
Pitch Diameter - Millimeter: 97.3
Mounting Method: Finished Bore

Bore Profile: Round
Pitch Diameter - Inch: 6.032
Pitch - Millimeter: 38.1
Inch - Metric: Inch
Material: Thermoplastic

Outside Diameter - Inch: 6.07
Other Features: With Set Screw | With Guide Ring
Pitch Diameter - Millimeter: 153.213
Modular - Flat Top Size: 60 | 66 | 810 | 812 | 815 | 881
Mounting Method: Finished Bore

Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 2.563
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 2.814
Other Features: Black Oxide Finish | For W-Weld On Hub
Pitch Diameter - Millimeter: 65.1
Mounting Method: Finished Bore