Roller Chain Sprocket; 40-2 Chain; 20 Teeth; 2 Row of Teeth; Hardened Teeth; 3.457" Outside Diameter; 3.196" Pitch Diameter; B-Hub One Side; Bushed Mount; 1610 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

2-1/4" Bore; 3-7/8" Hub Diameter; Chain Coupling; Hub; Shaft; Finished Bore; 5.176" Outside Diameter; 2" Length Thru Bore; 0.47" Between Shaft Ends; 60 Chain; 20 Teeth; 2" Width; 6020; Keyway

2-3/8" Bore; 3-7/8" Hub Diameter; Chain Coupling; Hub; Shaft; Finished Bore; 5.176" Outside Diameter; 2" Length Thru Bore; 0.47" Between Shaft Ends; 60 Chain; 20 Teeth; 2" Width; 6020; Keyway

3/4" Belt Width; 3/8 Inch Belt Pitch; L Belt Style; 20 Teeth; 1" Face Width; Bushed; 2-5/8" Flange OD; 2.357" Outside Diameter; 2.387" Pitch Diameter; Yes Keyway; 1/2 To 1-1/8" Bushing Bore Range; 1108 Bushing; No Minimum Plain Bore

5-3/8" Hub Diameter; Chain Coupling; Hub; Shaft; Minimum Plain Bore; 1-1/2 To 3-9/16 Bore Range; 6.913" Outside Diameter; 2-5/8" Length Thru Bore; 0.59" Between Shaft Ends; 80 Chain; 20 Teeth; 2-5/8" Width; 8020; No Keyway