Chain Coupling Hub; 2-31/32" Hub Diameter; Bushed; 3.92" Outside Diameter; 1-11/16" Length Thru Bore; 3/8" Between Shaft Ends; 50 Chain; 18 Teeth; 1-11/16" Width; 5018; No Keyway; Steel

Chain Coupling; Roller Type; 50 Chain Size; 16 Number of Teeth

3-7/16" Bore; 5-11/16" Hub Diameter; Chain Coupling; Hub; Shaft; Finished Bore; 7.84" Outside Diameter; 2-3/4" Length Thru Bore; 23/32" Between Shaft Ends; 100 Chain; 18 Teeth; 2-3/4" Width; 10018; Keyway; Steel

1-1/4" Bore; 4-9/16" Hub Diameter; Chain Coupling; Hub; Shaft; Finished Bore; 6.27" Outside Diameter; 2-3/8" Length Thru Bore; 37/64" Between Shaft Ends; 80 Chain; 18 Teeth; 2-3/8" Width; 8018; Keyway; Steel

5-3/8" Hub Diameter; Chain Coupling; Hub; Shaft; Bushed; 7/8 To 3-1/4 Bore Range; 6.91" Outside Diameter; 2" Length Thru Bore; 37/64" Between Shaft Ends; 80 Chain; 20 Teeth; 2" Width; 8020; Keyway; Steel